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Contents
- The climate of Terni
- The best time to visit Terni
- The worst time to visit Terni
- Spring weather in Terni
- Summer weather in Terni
- Autumn weather in Terni
- Winter weather in Terni
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Terni
Terni, a serene city in Italy, enjoys a Marine West Coast climate, classified as Cfb under the Köppen climate system. The predominance of this type of climate is often observed in coastal regions marked by mild summers and winters. Throughout the year, temperatures in Terni show a pleasing range from 1.3°C (34.3°F) to 30.8°C (87.4°F).
Studying these average monthly temperatures reveals that the climate maintains a soothing mildness. A jump in the degrees is noticed from 9.9°C (49.8°F) in February to 13.4°C (56.1°F) in March, indicating the arrival of spring. Evidently, summer extends from May to August with the temperature soaring to its highest at 30.8°C (87.4°F). Tail end of the year experiences a gradual fall in temperature, winding up to a chilly 9.9°C (49.8°F) in December.
Humidity relative remains fairly constant throughout the year with subtle fluctuations between 59% and 81%. Likewise, rainfall is sorted evenly over the 12 months ranging from 19mm (0.75") to 55mm (2.17"), accompanied by an approximated 7.8 to 15.7 rainfall days per month. Among the outliers, snowfall can be noticed in February with 22mm (0.87") and December marking 3mm (0.12").
A mention must be made of the variation in daylight hours from 9.1hrs in December to 15.3hrs in June. Despite certain variations, visibility remains at 9-10km (-6.2mi) throughout the year. Wind speed exhibits a consistent set of values all year round, with minor variations from 7.1km/h (4.4mph) to 10.7km/h (6.6mph).
Studying these average monthly temperatures reveals that the climate maintains a soothing mildness. A jump in the degrees is noticed from 9.9°C (49.8°F) in February to 13.4°C (56.1°F) in March, indicating the arrival of spring. Evidently, summer extends from May to August with the temperature soaring to its highest at 30.8°C (87.4°F). Tail end of the year experiences a gradual fall in temperature, winding up to a chilly 9.9°C (49.8°F) in December.
Humidity relative remains fairly constant throughout the year with subtle fluctuations between 59% and 81%. Likewise, rainfall is sorted evenly over the 12 months ranging from 19mm (0.75") to 55mm (2.17"), accompanied by an approximated 7.8 to 15.7 rainfall days per month. Among the outliers, snowfall can be noticed in February with 22mm (0.87") and December marking 3mm (0.12").
A mention must be made of the variation in daylight hours from 9.1hrs in December to 15.3hrs in June. Despite certain variations, visibility remains at 9-10km (-6.2mi) throughout the year. Wind speed exhibits a consistent set of values all year round, with minor variations from 7.1km/h (4.4mph) to 10.7km/h (6.6mph).
The best time to visit Terni
Considering climatic factors, the period from May to August can be deemed as the most favourable time to visit Terni. During these months, daylight extends over 14.6hrs to 15.3hrs, and the average temperature is maintained between 20.5°C (68.9°F) and 30.8°C (87.4°F). The humidity drops to a comforting 61% to 70% mimicking ideal conditions for exploring the city's numerous attractions.
UV index ratings from 5 to 6 further affirm this period as an excellent time for outdoor activities. Not just this, the glaring Sun retains its presence for the longest, with 10.7hrs to 11.9hrs daily for four months straight.
A note of rainfall during these months plays a significant role. Characteristically, this is the driest span of time in Terni with an average of 9.3 to 15.7 rainfall days and the precipitation ranging from 19mm (0.75") to 49mm (1.93") every month.
UV index ratings from 5 to 6 further affirm this period as an excellent time for outdoor activities. Not just this, the glaring Sun retains its presence for the longest, with 10.7hrs to 11.9hrs daily for four months straight.
A note of rainfall during these months plays a significant role. Characteristically, this is the driest span of time in Terni with an average of 9.3 to 15.7 rainfall days and the precipitation ranging from 19mm (0.75") to 49mm (1.93") every month.
The worst time to visit Terni
The months of November and December mark the least attractive time for tourists in Terni. The temperature falls to its annual lows during this period, ranging from 9.9°C (49.8°F) to 14.5°C (58.1°F), thus diminishing the overall appeal of the city for tourists.
The dropping temps are accompanied by the shortest daylight hours of the year, descending to 9.1hrs to 9.8hrs, coupled by 6.3hrs to 6.4hrs of sunshine daily. This combination makes the days significantly shorter and gloomier.
Furthermore, rainfall measures surge during these months, with November recording the highest rainfall of the year at 55mm (2.17") over 11.7 days. In December, Terni gets an average of 42mm (1.65") of rainfall over 10.5 days. These factors contribute to a generally damp and moist environment making it an unfavorable time to visit.
The dropping temps are accompanied by the shortest daylight hours of the year, descending to 9.1hrs to 9.8hrs, coupled by 6.3hrs to 6.4hrs of sunshine daily. This combination makes the days significantly shorter and gloomier.
Furthermore, rainfall measures surge during these months, with November recording the highest rainfall of the year at 55mm (2.17") over 11.7 days. In December, Terni gets an average of 42mm (1.65") of rainfall over 10.5 days. These factors contribute to a generally damp and moist environment making it an unfavorable time to visit.
Spring weather in Terni
The city of Terni welcomes spring from March through May. The temperature during this period gradually ascends from 6.7°C (44.1°F) in March to 9.1°C (48.4°F) in May. The climate tends to become progressively warmer with a steady daily sunshine rate of 8.2hrs to 10.7hrs.
Rainfall measures recede consistently from 32mm (1.26") in March to slightly higher 49mm (1.93") in May but with fewer rainy days from 13.3 to 15.7 days. A moderate UV index ranging from 3 in March to 5 in May implies that one can comfortably enjoy the spring weather.
Rainfall measures recede consistently from 32mm (1.26") in March to slightly higher 49mm (1.93") in May but with fewer rainy days from 13.3 to 15.7 days. A moderate UV index ranging from 3 in March to 5 in May implies that one can comfortably enjoy the spring weather.
Summer weather in Terni
Terni observes summer between June and August. During these months, the highest temperatures are recorded, ranging from 25.6°C (78.1°F) to 30.8°C (87.4°F). Moreover, daylight is at its peak with sunlit hours crossing 14.9hrs in June and winding up to 13.9hrs in August.
Rainfall measures are considerably reduced during this period with minimum precipitation of 19mm (0.75") recorded in August. UV indexes are at their highest during these months, reaching a peak of 6, which demands precautionary measures including application of sun protection.
Rainfall measures are considerably reduced during this period with minimum precipitation of 19mm (0.75") recorded in August. UV indexes are at their highest during these months, reaching a peak of 6, which demands precautionary measures including application of sun protection.
Autumn weather in Terni
Autumn, from September to November, brings a mild climate with lower temperatures ranging from 9.9°C (49.8°F) to 24.7°C (76.5°F). The rainfall deposition shows an upward tilt with 30mm (1.18") in September reaching a high of 55mm (2.17") in November. Whereas, sunshine hours decrease consistently from 10.8hrs in September to 6.3hrs in November.
Winter weather in Terni
Winter in Terni extends from December to February with a noticeable drop in temperature, ranging from 1.3°C (34.3°F) to 9.9°C (49.8°F). Rainfall days are moderate with 10.5 days in December and 11.8 days in February. Snowfall is minimal but present, amassing 3mm (0.12") in December and 22mm (0.87") in February. Despite the cold and damp, sunshine hours remain sufficient with an average of 6.1hrs to 6.4hrs.
Weather in January
January presents Terni through the chilly grasp of winter with bitter minimum temperatures averaging 1.3°C (34.3°F). Stepping out into the city, one finds a world sheathed in frosty air and barren trees, giving Terni an unequivocally winterish character. Weather in January »
Weather in February
Shifting into February, Terni experiences some unique divergences from January's climate. The month is characterized by an increased trend in both highs and lows, illuminating the mild progression towards spring. Unlike most winter months, February witnesses snowfall with amounts reaching up to 22mm (0.87"), making it an abnormal and memorable period in Terni. Weather in February »
Weather in March
March in Terni signifies the advent of spring, with weather differing noticeably from February's wintry conditions. The city embarks on its spring journey with blossoming flora and increasingly pleasant climates. An interesting pattern is the cessation of snowfall that previously graced February, signifying a distinctive turn in seasons. Weather in March »
Weather in April
April experiences significant changes in Terni's climate, distinguishing itself from March with several particularities. Longer sunshine hours and climbing temperatures characterize the city's full immersion into spring. The dominant weather condition can be noted with the temperature highs averaging at 17.6°C (63.7°F), a marked increase from March. Weather in April »
Weather in May
May's weather in Terni comes with a more pervasive sense of summer, with hotter days than April and a reduced frequency of rainfall. The daily lives of its citizens adapt to this escalation in warmth, with outdoor activities and late afternoon walks becoming the norm. Weather in May »
Weather in June
June's weather adds to Terni's variety, turning the city into a mesh of summer-related recreations and activities. It contrasts with the cooling May showers and brings in significantly higher temperatures. The city bathes in an ample amount of daily sunshine, necessitating sunglasses for the frequent stroller. Weather in June »
Weather in July
July is the pinnacle of summer in Terni, boasting weather that's different from the somewhat balanced climate of June. Long hours of daylight, high temperatures, and the least amount of cloud cover overhang the city now. The highest temperature of the year is observed in July, registering a maximum of 29.8°C (85.6°F). Weather in July »
Weather in August
August in Terni is a month of bright sunshine and warm weather, continued from July and highlighting the peak of summer. The city is illuminated for extended hours as daylight still dominates large segments of the day. With limited rainfalls and long, sunny days, outdoor activities are a staple in the daily life of its citizens. Weather in August »
Weather in September
September in Terni is a transition period where the heat of summer slowly fades into autumn. There's a perceptible change from the highs of August, and while warm weather is still present, the excessive heat is replaced with more temperate conditions. Weather in September »
Weather in October
The weather changes in Terni escalate in October as the city transitions further into the fall season. Comparing it with September, one can feel the coolness creeping into the city's ambiance. The colors of autumn become more pronounced, and there's a new rhythm in the wind that hints at winter's impending approach. Weather in October »
Weather in November
November in Terni experiences a noteworthy change in the weather compared to October. Stepping into this month, the city embraces the cold and residents appreciate the comfort of their warm clothes. Lower temperatures, lesser daylight, and increased rainfall become defining factors in Terni's climate. Weather in November »
Weather in December
December brings the cold weather to a chilling climax in Terni, contrasting the relatively warmer climate of November. The shorter daylight hours and lower temperatures signify winter's firm grip on the city. The first snowflakes can begin to descend on the city, introducing the winter spectacle that makes Terni a unique spot in winter. Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Terni?
January is the coldest month in Terni, with an average high-temperature of 8.8°C (47.8°F) and an average low-temperature of 1.3°C (34.3°F).
How much does it rain in Terni?
Throughout the year, in Terni, Italy, there are 137.2 rainfall days, and 415mm (16.34") of precipitation is accumulated.
When it does not snow in Terni?
In Terni, Italy, snow does not fall in January, March through October.
How much does it snow in Terni?
Throughout the year, in Terni, Italy, there are 2.9 snowfall days, and 26mm (1.02") of snow is accumulated.
When is the lowest UV index in Terni?
With an average maximum UV index of 2, January is the month with the lowest UV index.
When does it snow in Terni?
Months with snowfall in Terni, Italy, are February, November and December.
What is the snowiest month in Terni?
February is the month with the most snowfall. Snow falls for 1.4 days and accumulates 22mm (0.87") of snow.
What is the month with the least sunshine in Terni?
With an average of 6h of sunshine, February has the least sunshine of the year.
When are the longest days in Terni?
The month with the longest days is June, with an average of 15h and 18min of daylight.
What are the months with the highest UV index in Terni?
The months with the highest UV index in Terni are June through August, with an average maximum UV index of 6.
What is the month with the most sunshine in Terni?
July and August, with an average of 11.9h of sunshine, are months with the most sunshine in Terni, Italy.
What time of the year is the hottest in Terni?
Terni notes the warmest temperatures in August, with a average high of 30.8°C (87.4°F) and a low of 16.3°C (61.3°F).
What is the least humid month in Terni?
The least humid month in Terni is August, with an average relative humidity of 59%.
What is the driest month in Terni?
The month with the least rainfall in Terni, Italy, is August, when the rain falls for 7.8 days and typically collects 19mm (0.75") of precipitation.
When is Daylight Saving Time (DST) in Terni?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Terni, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the most humid month in Terni?
November is the most humid month in Terni, Italy, with an average relative humidity of 81%.
What is the wettest month in Terni?
November is the month with the most rainfall in Terni, Italy. Rain falls for 11.7 days and accumulates 55mm (2.17") of precipitation.
What is the month with the shortest days in Terni?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Terni, Italy
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (8.8°C).
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure
Terni, Italy
- Average pressure in January:
1016.3mbar - Average pressure in February:
1014.3mbar - Average pressure in March:
1014.5mbar - Average pressure in April:
1014mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1014.2mbar
- Average pressure in July:
1013.8mbar - Average pressure in August:
1014.5mbar - Average pressure in September:
1015.6mbar - Average pressure in October:
1016.4mbar - Average pressure in November:
1014.5mbar - Average pressure in December:
1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed
Terni, Italy
- Average wind speed in January:
9.6km/h - Average wind speed in February:
10.7km/h - Average wind speed in March:
10.3km/h - Average wind speed in April:
8.5km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
7.6km/h
- Average wind speed in July:
7.1km/h - Average wind speed in August:
7.1km/h - Average wind speed in September:
7.8km/h - Average wind speed in October:
8.3km/h - Average wind speed in November:
8.7km/h - Average wind speed in December:
9.2km/h
The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).
Average humidity
Terni, Italy
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (59%).
Average rainfall
Terni, Italy
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days
Terni, Italy
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
12 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
13.2 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
9.3 days - Average rainfall days in August:
7.8 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is August (7.8 days).
Average snowfall
Terni, Italy
The month with the highest snowfall is February (22mm).
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0mm).
Average snowfall days
Terni, Italy
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
1.4 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Terni, Italy
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 0min - Average sunshine in March:
8h and 1min - Average sunshine in April:
10h and 2min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 5min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 2min - Average sunshine in December:
6h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days
Terni, Italy
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
18.9 days - Average sunshine days in August:
20.9 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
16.4 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is August (20.9 days).
The month with the least sunshine days is May (12.6 days).
Average UV index
Terni, Italy
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Terni, Italy
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility
Terni, Italy
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
Terni, Italy
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