Climate and monthly weather forecastArolla, Switzerland
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Arolla, Switzerland, with an average temperature ranging between max -4.2°C (24.4°F) and min -13.3°C (8.1°F). January, recording an average high temperature of -4.2°C (24.4°F) and a low temperature of -13.3°C (8.1°F), is Arolla's coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Arolla, Switzerland, with an average temperature ranging between min -12.8°C (9°F) and max -3.8°C (25.2°F). With the start of February, Arolla measures an average high-temperature of a still subzero cold -3.8°C (25.2°F), not significantly differing from January's -4.2°C (24.4°F). Weather in February »Weather in March
March, the first month of the spring in Arolla, is still a freezing cold month, with an average temperature ranging between max -1.2°C (29.8°F) and min -9.7°C (14.5°F). March's average high-temperature stands at a still subzero cold -1.2°C (29.8°F), showing little deviation from February's -3.8°C (25.2°F). Weather in March »Weather in April
April in Arolla, Switzerland, is an icy spring month, with temperature in the range of an average low of -5.2°C (22.6°F) and an average high of 2.4°C (36.3°F). April signals a minor shift in the average high-temperature, moving from March's freezing cold -1.2°C (29.8°F) to a wintry 2.4°C (36.3°F). Weather in April »Weather in May
The last month of the spring, May, is also an icy month in Arolla, Switzerland, with an average temperature ranging between max 5.8°C (42.4°F) and min -2°C (28.4°F). The transition from April to May brings a subtle temperature rise, with average high-temperatures increasing from a wintry 2.4°C (36.3°F) to a still icy 5.8°C (42.4°F). Weather in May »Weather in June
June, the first month of the summer in Arolla, is a fresh month, with an average temperature fluctuating between 11.3°C (52.3°F) and 2.3°C (36.1°F). In Arolla, the onset of June comes with an increased average high-temperature, moving from May's cold 5.8°C (42.4°F) to a fresh 11.3°C (52.3°F). Weather in June »Weather in July
July is a refreshing summer month in Arolla, Switzerland, with an average temperature ranging between max 14.4°C (57.9°F) and min 4.6°C (40.3°F). July and August bring Arolla's highest average temperatures, reaching a high of 14.4°C (57.9°F). Weather in July »Weather in August
August, the last month of the summer in Arolla, is also a moderate month, with an average temperature ranging between max 14.4°C (57.9°F) and min 4.7°C (40.5°F). During July and August, Arolla experiences its highest average temperatures, peaking at 14.4°C (57.9°F). Weather in August »Weather in September
September, the first month of the autumn in Arolla, is also a fresh month, with an average temperature ranging between min 2.2°C (36°F) and max 10.4°C (50.7°F). Arolla's September weather shows a modest shift in high-temperatures, falling from August's mild 14.4°C (57.9°F) to a cool 10.4°C (50.7°F). Weather in September »Weather in October
October, the same as September, is another cold autumn month in Arolla, Switzerland, with temperature in the range of an average low of -2°C (28.4°F) and an average high of 5.4°C (41.7°F). The onset of October coincides with a reduction in the average high-temperature, falling from a fresh 10.4°C (50.7°F) in September to a wintry 5.4°C (41.7°F). Weather in October »Weather in November
November, the last month of the autumn in Arolla, is another freezing cold month, with an average temperature ranging between max -0.1°C (31.8°F) and min -7.4°C (18.7°F). November brings a decrease in the average high-temperature, shifting from a wintry 5.4°C (41.7°F) in October to a subzero cold -0.1°C (31.8°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Arolla, Switzerland, with an average temperature ranging between min -12.1°C (10.2°F) and max -2.8°C (27°F). Arolla's average high-temperature marks a still subzero cold -2.8°C (27°F) with the advent of December, closely mirroring that of the preceding month. Weather in December »Updated: Feb 4, 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, recording an average high temperature of -4.2°C (24.4°F) and a low temperature of -13.3°C (8.1°F), is Arolla's coldest month.
In Arolla, Switzerland, during the entire year, the rain falls for 138.3 days and collects up to 1170mm (46.06") of precipitation.
January through December are months with snowfall.
Throughout the year, in Arolla, there are 168.8 snowfall days, and 6180mm (243.31") of snow is accumulated.
January through April and November, with an average maximum UV index of 1, are months with the lowest UV index in Arolla.
The month with the least rainfall is February, when the rain falls for 4.3 days and typically collects 58mm (2.28") of precipitation.
The most humid month in Arolla, Switzerland, is April, with an average relative humidity of 91%.
May is the month with the most rainfall in Arolla. Rain falls for 14.8 days and accumulates 154mm (6.06") of precipitation.
With an average of 15h and 42min of daylight, June has the longest days of the year in Arolla, Switzerland.
June and July, with an average maximum UV index of 3, are months with the highest UV index in Arolla.
Peak temperatures are observed in July and August, averaging a high-temperature of 14.4°C (57.9°F).
The least humid month in Arolla, Switzerland, is July, with an average relative humidity of 80%.
July is the month with the least snowfall. Snow falls for 1.3 days and accumulates 11mm (0.43") of snow.
The month with the most sunshine is July, with an average of 9.8h of sunshine.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Arolla, Switzerland, 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 is the month with the most snowfall in Arolla. Snow falls for 19.5 days and accumulates 1031mm (40.59") of snow.
November has the least sunshine of the year, with an average of 4.5h of sunshine.
The month with the shortest days in Arolla, Switzerland, is December, with an average of 8h and 42min of daylight.
Average temperature
Arolla, Switzerland
The warmest months (with the highest average high temperature) are July and August (14.4°C).
The month with the lowest average high temperature is January (-4.2°C).
The month with the highest average low temperature is August (4.7°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure
Arolla, Switzerland
- Average pressure in January:
1019mbar - Average pressure in February:
1017mbar - Average pressure in March:
1016.4mbar - Average pressure in April:
1015mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1016.4mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1018.2mbar - 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 (1015mbar).
Average wind speed
Arolla, Switzerland
- Average wind speed in January:
9.6km/h - Average wind speed in February:
9.2km/h - Average wind speed in March:
9.1km/h - Average wind speed in April:
7.8km/h - Average wind speed in May:
7.7km/h - Average wind speed in June:
7.1km/h
- Average wind speed in July:
6.7km/h - Average wind speed in August:
6.2km/h - Average wind speed in September:
6.7km/h - Average wind speed in October:
8.1km/h - Average wind speed in November:
8.6km/h - Average wind speed in December:
10km/h
The windiest month (with the highest average wind speed) is December (10km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity
Arolla, Switzerland
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is July (80%).
Average rainfall
Arolla, Switzerland
- Average rainfall in January:
61mm - Average rainfall in February:
58mm - Average rainfall in March:
76mm - Average rainfall in April:
109mm - Average rainfall in May:
154mm - Average rainfall in June:
129mm
The wettest month (with the highest rainfall) is May (154mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days
Arolla, Switzerland
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
6.8 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
22.2 days
- Average rainfall days in July:
23 days - Average rainfall days in August:
22.1 days - Average rainfall days in September:
15.4 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is November (3.5 days).
Average snowfall
Arolla, Switzerland
- Average snowfall in January:
511mm - Average snowfall in February:
474mm - Average snowfall in March:
615mm - Average snowfall in April:
863mm - Average snowfall in May:
900mm - Average snowfall in June:
214mm
- Average snowfall in July:
11mm - Average snowfall in August:
45mm - Average snowfall in September:
183mm - Average snowfall in October:
634mm - Average snowfall in November:
1031mm - Average snowfall in December:
699mm
The month with the highest snowfall is November (1031mm).
The month with the least snowfall is July (11mm).
Average snowfall days
Arolla, Switzerland
- Average snowfall days in January:
19.1 days - Average snowfall days in February:
18.5 days - Average snowfall days in March:
23 days - Average snowfall days in April:
23.8 days - Average snowfall days in May:
19.5 days - Average snowfall days in June:
7.1 days
- Average snowfall days in July:
1.3 days - Average snowfall days in August:
1.3 days - Average snowfall days in September:
6.7 days - Average snowfall days in October:
12.2 days - Average snowfall days in November:
19.5 days - Average snowfall days in December:
16.8 days
The month with the highest number of snowfall days is April (23.8 days).
The months with the least snowfall days are July and August (1.3 days).
Average daylight / Average sunshine
Arolla, Switzerland
- 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:
15h and 0min - 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:
4h and 48min - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 12min - Average sunshine in April:
6h and 12min - Average sunshine in May:
7h and 0min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 48min - Average sunshine in November:
4h and 30min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 30min).
Average sunshine days
Arolla, Switzerland
- Average sunshine days in January:
11.7 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
7.6 days - Average sunshine days in April:
4.8 days - Average sunshine days in May:
4.6 days - Average sunshine days in June:
4.1 days
- Average sunshine days in July:
5.8 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
10.4 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
13.8 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (4.1 days).
Average UV index
Arolla, Switzerland
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April and November (UV index 1).
Average cloud cover
Arolla, Switzerland
The month with the most cloud cover is April (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility
Arolla, Switzerland
The months with the highest visibility are June, July and August (8km).
The months with the lowest visibility are February, March, April, May and November (6km).
