Climate and monthly weather forecastRoisan, Italy
Climate and monthly weather forecast
Weather in January
January, the same as December, in Roisan, Italy, is a freezing cold winter month, with temperature in the range of an average high of -2.7°C (27.1°F) and an average low of -10.8°C (12.6°F). January is the month when Roisan experiences its coldest temperatures, averaging a high of -2.7°C (27.1°F) and a low of -10.8°C (12.6°F). Weather in January »Weather in February
February, the last month of the winter in Roisan, is also a subzero cold month, with an average temperature fluctuating between -10.8°C (12.6°F) and -2.3°C (27.9°F). Transitioning from January to February, Roisan observes an average high-temperature of a still freezing cold -2.3°C (27.9°F), differing subtly from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Roisan, Italy, with temperature in the range of an average high of 0.6°C (33.1°F) and an average low of -7.3°C (18.9°F). On the advent of March, Roisan's average high-temperature exhibits a minor adjustment to a wintry 0.6°C (33.1°F) from February's -2.3°C (27.9°F). Weather in March »Weather in April
April, the same as March, is an icy spring month in Roisan, Italy, with an average temperature varying between 4.2°C (39.6°F) and -3.3°C (26.1°F). Entering April, Roisan notices a subtle temperature elevation, with the average high-temperature advancing from March's 0.6°C (33.1°F) to a still icy 4.2°C (39.6°F). Weather in April »Weather in May
The last month of the spring, May, is a chilly month in Roisan, Italy, with an average temperature fluctuating between -0.2°C (31.6°F) and 8.2°C (46.8°F). With the onset of May, Roisan observes a minor temperature ascent, with the average high-temperature adjusting from April's cold 4.2°C (39.6°F) to a chilly 8.2°C (46.8°F). Weather in May »Weather in June
June, the first month of the summer in Roisan, is a mild month, with an average temperature varying between 4.3°C (39.7°F) and 13.3°C (55.9°F). June indicates a change in the average high-temperature, moving up from a frosty 8.2°C (46.8°F) in May to a mild 13.3°C (55.9°F). Weather in June »Weather in July
July is an enjoyable summer month in Roisan, Italy, with an average temperature fluctuating between 16.5°C (61.7°F) and 6.5°C (43.7°F). July tends to be the warmest month, with temperatures averaging a daily high of 16.5°C (61.7°F) and a low of 6.5°C (43.7°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Roisan, Italy, with an average temperature fluctuating between 6.5°C (43.7°F) and 16.3°C (61.3°F). The introduction of August sees an average high-temperature of a still enjoyable 16.3°C (61.3°F), hardly deviating from July. Weather in August »Weather in September
The first month of the autumn, September, is still a cool month in Roisan, Italy, with an average temperature fluctuating between 12°C (53.6°F) and 3.4°C (38.1°F). September brings a slight decrease in the average high-temperature, shifting from an enjoyable 16.3°C (61.3°F) in August to a fresh 12°C (53.6°F). Weather in September »Weather in October
October, the same as September, in Roisan, Italy, is a frosty autumn month, with an average temperature ranging between max 7.5°C (45.5°F) and min 0.1°C (32.2°F). The onset of October aligns with a soft reduction in the average high-temperature, gently falling from a fresh 12°C (53.6°F) in September to a frosty 7.5°C (45.5°F). Weather in October »Weather in November
November, the last month of the autumn in Roisan, is another cold month, with an average temperature ranging between min -5.3°C (22.5°F) and max 1.5°C (34.7°F). The decrease of average high-temperatures is mild in November, with a decline from a frosty 7.5°C (45.5°F) in October to a cold 1.5°C (34.7°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Roisan, Italy, with an average temperature fluctuating between -1.4°C (29.5°F) and -9.5°C (14.9°F). December begins with an average high-temperature of a subzero cold -1.4°C (29.5°F), reflecting close similarity to the preceding month. Weather in December »Updated: Jan 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, marked by an average high-temperature of -2.7°C (27.1°F) and a low-temperature of -10.8°C (12.6°F), is the coldest month in Roisan.
Throughout the year, in Roisan, Italy, there are 244.1 rainfall days, and 1363mm (53.66") of precipitation is accumulated.
Months with snowfall are January through May, October through December.
Throughout the year, in Roisan, there are 42.8 snowfall days, and 692mm (27.24") of snow is accumulated.
January, March and April, with an average maximum UV index of 1, are months with the lowest UV index in Roisan, Italy.
February is the month with the most snowfall in Roisan, Italy. Snow falls for 10.8 days and accumulates 175mm (6.89") of snow.
With an average relative humidity of 87%, March is the most humid month.
The month with the most rainfall in Roisan, Italy, is May, when the rain falls for 27 days and typically aggregates up to 181mm (7.13") of precipitation.
June through September are months without snowfall.
With an average of 15h and 42min of daylight, June has the longest days of the year.
June and July, with an average maximum UV index of 4, are months with the highest UV index.
Roisan's warmest weather arrives in July, when temperatures average a high of 16.5°C (61.7°F) and a low of 6.5°C (43.7°F).
The months with the lowest humidity in Roisan, Italy, are July and August, with an average relative humidity of 77%.
July has the most sunshine of the year in Roisan, Italy, with an average of 10.6h of sunshine.
The month with the least rainfall in Roisan is September, when the rain falls for 19.8 days and typically collects 77mm (3.03") of precipitation.
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.
November has the least sunshine of the year, with an average of 5.2h of sunshine.
December has the shortest days of the year in Roisan, with an average of 8h and 42min of daylight.
Average temperature
Roisan, Italy
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.7°C).
- Average low temperature in January:
-10.8°C - Average low temperature in February:
-10.8°C - Average low temperature in March:
-7.3°C - Average low temperature in April:
-3.3°C - Average low temperature in May:
-0.2°C - Average low temperature in June:
4.3°C
The months with the highest average low temperature are July and August (6.5°C).
The coldest months (with the lowest average low temperature) are January and February (-10.8°C).
Average pressure
Roisan, Italy
- Average pressure in January:
1018.8mbar - Average pressure in February:
1016.9mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1015.8mbar
- Average pressure in July:
1016.3mbar - Average pressure in August:
1017.3mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1018mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed
Roisan, Italy
- Average wind speed in January:
8.6km/h - Average wind speed in February:
8.2km/h - Average wind speed in March:
8.2km/h - Average wind speed in April:
6.9km/h - Average wind speed in May:
7km/h - Average wind speed in June:
6.4km/h
- Average wind speed in July:
6.1km/h - Average wind speed in August:
5.6km/h - Average wind speed in September:
6.1km/h - Average wind speed in October:
7.1km/h - Average wind speed in November:
7.7km/h - Average wind speed in December:
9km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity
Roisan, Italy
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall
Roisan, Italy
- Average rainfall in January:
81mm - Average rainfall in February:
83mm - Average rainfall in March:
96mm - Average rainfall in April:
117mm - Average rainfall in May:
181mm - Average rainfall in June:
170mm
The wettest month (with the highest rainfall) is May (181mm).
The driest month (with the least rainfall) is September (77mm).
Average rainfall days
Roisan, Italy
- Average rainfall days in January:
15.9 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
20.3 days - Average rainfall days in April:
24.3 days - Average rainfall days in May:
27 days - Average rainfall days in June:
25.5 days
- Average rainfall days in July:
24.1 days - Average rainfall days in August:
22.2 days - Average rainfall days in September:
19.8 days - Average rainfall days in October:
16.3 days - Average rainfall days in November:
17.5 days - Average rainfall days in December:
14.9 days
The month with the highest number of rainy days is May (27 days).
The month with the least rainy days is December (14.9 days).
Average snowfall
Roisan, Italy
The month with the highest snowfall is February (175mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Roisan, Italy
- Average snowfall days in January:
10 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.4 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:
0.3 days - Average snowfall days in November:
3.6 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Roisan, Italy
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 12min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days
Roisan, Italy
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
6.7 days - Average sunshine days in April:
3.8 days - Average sunshine days in May:
2.7 days - Average sunshine days in June:
3.2 days
- Average sunshine days in July:
5.9 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
8.2 days - Average sunshine days in October:
11.7 days - Average sunshine days in November:
9.6 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is October (11.7 days).
The month with the least sunshine days is May (2.7 days).
Average UV index
Roisan, Italy
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March and April (UV index 1).
Average cloud cover
Roisan, Italy
The month with the most cloud cover is May (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Roisan, Italy
The month with the highest visibility is July (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
