Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
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. December nights are marked by an average low-temperature of -12.1°C (10.2°F).Humidity
In Arolla, the average relative humidity in December is 85%.Rainfall
In Arolla, Switzerland, in December, it is raining for 5.2 days, with typically 84mm (3.31") of accumulated precipitation. In Arolla, Switzerland, during the entire year, the rain falls for 138.3 days and collects up to 1170mm (46.06") of precipitation.Snowfall
January through December are months with snowfall. In Arolla, in December, snow falls for 16.8 days, with typically accumulated 699mm (27.52") of snow. In Arolla, during the entire year, snow falls for 168.8 days and aggregates up to 6180mm (243.31") of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of December in Arolla, sunrise is at 07:52 and sunset at 16:46. On the last day of the month, sunrise is at 08:11 and sunset at 16:54 CET.
Sunshine
The average sunshine in December in Arolla is 5.1h.UV index
In Arolla, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is December in Arolla?
What is the average humidity in December in Arolla?
How many days does it rain in December in Arolla?
How much does it snow in Arolla in December?
What is the month with the shortest days in Arolla?
How many hours of daylight does Arolla have in December?
When are sunrise and sunset in December in Arolla?
How many hours of sunshine does Arolla have in December?
What is the UV index intensity in December in Arolla?
Average temperature in December
Arolla, Switzerland
- Average high temperature in December: -2.8°C
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).
- Average low temperature in December: -12.1°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 in December
Arolla, Switzerland
- 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 in December
Arolla, Switzerland
- 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 in December
Arolla, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is July (80%).
Average rainfall in December
Arolla, Switzerland
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is May (154mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in December
Arolla, Switzerland
- 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 in December
Arolla, Switzerland
- 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 in December
Arolla, Switzerland
- 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 in December /
Average sunshine in December
Arolla, Switzerland
- Average daylight in December: 8h and 4min
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 December: 5h and 1min
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 in December
Arolla, Switzerland
- 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 in December
Arolla, Switzerland
- Average UV index in December: 2
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 in December
Arolla, Switzerland
- Average cloud cover in December: 47
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 in December
Arolla, Switzerland
- Average visibility in December: 7km
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).
Arolla, Switzerland
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