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Contents
- 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
Weather in January
January, like December, is another chilly winter month in Isernia, Italy, with an average temperature ranging between max 7.4°C (45.3°F) and min 0.3°C (32.5°F). January is the month when Isernia experiences its coldest temperatures, averaging a high of 7.4°C (45.3°F) and a low of 0.3°C (32.5°F). Weather in January »
Weather in February
February, the last month of the winter in Isernia, is also a frosty month, with an average temperature fluctuating between 8.3°C (46.9°F) and 0.6°C (33.1°F). Isernia experiences a minor change to a still frosty 8.3°C (46.9°F) in average high-temperature during February, closely reflecting January. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Isernia, Italy, with temperature in the range of an average low of 2.4°C (36.3°F) and an average high of 11.9°C (53.4°F). As March begins, there's a slight increase in the average high-temperature, moving from a frosty 8.3°C (46.9°F) in February to a cool 11.9°C (53.4°F). Weather in March »
Weather in April
April is a refreshing spring month in Isernia, Italy, with an average temperature fluctuating between 15.8°C (60.4°F) and 5.3°C (41.5°F). April brings a slight increase in the average high-temperature, progressing from a cool 11.9°C (53.4°F) in March to a refreshing 15.8°C (60.4°F). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Isernia, Italy, with temperature in the range of an average low of 7.8°C (46°F) and an average high of 19°C (66.2°F). With the onset of May, Isernia's average high-temperature experiences a slight rise, moving from April's refreshing 15.8°C (60.4°F) to a comfortable 19°C (66.2°F). Weather in May »
Weather in June
June, the first month of the summer in Isernia, is a moderately hot month, with an average temperature fluctuating between 11.4°C (52.5°F) and 23.8°C (74.8°F). The shift from May to June introduces a subtle increase in the average high-temperature, moving from an enjoyable 19°C (66.2°F) to a moderately hot 23.8°C (74.8°F). Weather in June »
Weather in July
July, like June, in Isernia, Italy, is a moderately hot summer month, with an average temperature varying between 27.5°C (81.5°F) and 14.3°C (57.7°F). As July begins, there's a slight increase in the average high-temperature, moving from 23.8°C (74.8°F) in June to a still moderately hot 27.5°C (81.5°F). Weather in July »
Weather in August
August, the last month of the summer in Isernia, is another warm month, with an average temperature ranging between max 28.8°C (83.8°F) and min 15.2°C (59.4°F). August, known for its average high temperature of 28.8°C (83.8°F) and an average low temperature of 15.2°C (59.4°F), is the warmest month. August's mean heat index is calculated to be a tropical 31°C (87.8°F). Weather in August »
Weather in September
September, the first month of the autumn in Isernia, is also a moderately hot month, with an average temperature ranging between max 23.1°C (73.6°F) and min 12.1°C (53.8°F). The arrival of September corresponds with a reduction in the average high-temperature, down from August's 28.8°C (83.8°F) to a still moderately hot 23.1°C (73.6°F). Weather in September »
Weather in October
October, like September, in Isernia, Italy, is another enjoyable autumn month, with temperature in the range of an average low of 9.4°C (48.9°F) and an average high of 18.6°C (65.5°F). Isernia's weather in October involves a mild decrease in the average high-temperature, moving down slightly from September's warm 23.1°C (73.6°F) to an enjoyable 18.6°C (65.5°F). Weather in October »
Weather in November
The last month of the autumn, November, is another mild month in Isernia, Italy, with temperature in the range of an average low of 5.7°C (42.3°F) and an average high of 13.5°C (56.3°F). Isernia's average high-temperature decreases in November, falling from a refreshing 18.6°C (65.5°F) in October to a moderate 13.5°C (56.3°F). Weather in November »
Weather in December
December, the first month of the winter in Isernia, is still a chilly month, with an average temperature ranging between max 9.1°C (48.4°F) and min 1.7°C (35.1°F). December brings a slight decrease in temperature, down from a refreshing 13.5°C (56.3°F) in November to a frosty 9.1°C (48.4°F). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Isernia?
The coldest time of the year is January, with temperatures averaging a high of 7.4°C (45.3°F) and a low of 0.3°C (32.5°F).
What is the most humid month in Isernia?
With an average relative humidity of 85%, January is the most humid month in Isernia.
How many days does it rain in Isernia?
In Isernia, during the entire year, the rain falls for 186.2 days and collects up to 769mm (30.28") of precipitation.
When does it snow in Isernia?
January through April, November and December are months with snowfall in Isernia.
How much does it snow in Isernia?
In Isernia, during the entire year, snow falls for 9.1 days and aggregates up to 149mm (5.87") of snow.
What is the month with the least sunshine in Isernia?
The month with the least sunshine is January, with an average of 5.3h of sunshine.
When is the lowest UV index in Isernia?
The months with the lowest UV index in Isernia are January, February and December, with an average maximum UV index of 2.
What is the snowiest month in Isernia?
February is the month with the most snowfall. Snow falls for 3.2 days and accumulates 68mm (2.68") of snow.
When it does not snow in Isernia?
May through October are months without snowfall in Isernia.
When are the longest days in Isernia?
June has the longest days of the year in Isernia, Italy, with an average of 15h and 6min of daylight.
What are the months with the highest UV index in Isernia?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the months with the most sunshine in Isernia?
The months with the most sunshine in Isernia, Italy, are July and August, with an average of 11.8h of sunshine.
What month is the hottest in Isernia?
The month of August, characterized by an average high of 28.8°C (83.8°F) and a low of 15.2°C (59.4°F), is recognized as the warmest in Isernia, Italy.
What is the least humid month in Isernia?
The least humid month is August, with an average relative humidity of 62%.
What is the driest month in Isernia?
August is the month with the least rainfall in Isernia. Rain falls for 11.5 days and accumulates 33mm (1.3") of precipitation.
When is Daylight Saving Time (DST) in Isernia?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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 wettest month in Isernia?
November is the month with the most rainfall in Isernia, Italy. Rain falls for 14.8 days and accumulates 103mm (4.06") of precipitation.
What is the month with the shortest days in Isernia?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Isernia, Italy
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.4°C).
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure
Isernia, Italy
- Average pressure in January:
1016.1mbar - Average pressure in February:
1014.2mbar - Average pressure in March:
1014.3mbar - Average pressure in April:
1013.9mbar - Average pressure in May:
1014mbar - Average pressure in June:
1014.1mbar
- Average pressure in July:
1013.8mbar - Average pressure in August:
1014.5mbar - Average pressure in September:
1015.5mbar - Average pressure in October:
1016.3mbar - Average pressure in November:
1014.8mbar - Average pressure in December:
1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed
Isernia, Italy
- Average wind speed in January:
9.4km/h - Average wind speed in February:
10.2km/h - Average wind speed in March:
10.1km/h - Average wind speed in April:
8.3km/h - Average wind speed in May:
7.6km/h - Average wind speed in June:
6.7km/h
- Average wind speed in July:
6.3km/h - Average wind speed in August:
6.2km/h - Average wind speed in September:
7.3km/h - Average wind speed in October:
7.8km/h - Average wind speed in November:
8.5km/h - Average wind speed in December:
9.2km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity
Isernia, Italy
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall
Isernia, Italy
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days
Isernia, Italy
- Average rainfall days in January:
16.5 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
17.6 days - Average rainfall days in April:
19.5 days - Average rainfall days in May:
19.7 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
14.8 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is August (11.5 days).
Average snowfall
Isernia, Italy
The month with the highest snowfall is February (68mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Isernia, Italy
- Average snowfall days in January:
2.5 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0.2 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:
0.4 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Isernia, Italy
- Average daylight in January:
9h and 4min - 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 3min - Average daylight in June:
15h and 1min
- 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 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 3min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 3min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 4min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 5min - Average sunshine in December:
6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days
Isernia, Italy
- Average sunshine days in January:
10.2 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
10.5 days - Average sunshine days in April:
8.5 days - Average sunshine days in May:
8.4 days - Average sunshine days in June:
9.5 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
12.1 days - Average sunshine days in December:
12.7 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index
Isernia, Italy
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Isernia, Italy
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility
Isernia, Italy
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and November (8km).
Isernia, Italy
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