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
December's onset brings a negligible change in high-temperatures, falling from a chilly 8.5°C (47.3°F) in November to a cold 4.2°C (39.6°F). Throughout December, an average low-temperature of -1.6°C (29.1°F) is experienced.Humidity
The average relative humidity in December in Aristau is 87%.Rainfall
In Aristau, during December, the rain falls for 12 days and regularly aggregates up to 76mm (2.99") of precipitation. In Aristau, during the entire year, the rain falls for 157.5 days and collects up to 712mm (28.03") of precipitation.Snowfall
January through May, October through December are months with snowfall in Aristau. The month with the most snowfall in Aristau is December, when snow falls for 11.5 days and typically aggregates up to 232mm (9.13") of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year in Aristau.On the first day of December, sunrise is at 07:53 and sunset at 16:38. On the last day of the month, sunrise is at 08:13 and sunset at 16:46 CET.
Sunshine
In December, the average sunshine in Aristau is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Aristau. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is December in Aristau?
What is the average humidity in December in Aristau?
How much does it rain in Aristau in December?
What is the snowiest month in Aristau?
How much does it snow in Aristau in December?
What is the month with the shortest days in Aristau?
What is the average length of the day in December in Aristau?
When is the sunrise / sunset in December in Aristau?
How long on average sun shines in December in Aristau?
What are the months with the lowest UV index in Aristau?
What is the UV index reading in December in Aristau?
Average temperature in December
Aristau, Switzerland
- Average high temperature in December: 4.2°C
The warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in December
Aristau, Switzerland
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in December
Aristau, Switzerland
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in December
Aristau, Switzerland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Aristau, Switzerland
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is August (82mm).
The driest months (with the least rainfall) are April and September (38mm).
Average rainfall days in December
Aristau, Switzerland
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Aristau, Switzerland
- Average snowfall in December: 232mm
The month with the highest snowfall is December (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Aristau, Switzerland
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Aristau, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Aristau, Switzerland
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Aristau, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Aristau, Switzerland
- Average cloud cover in December: 51
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Aristau, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).
Aristau, Switzerland
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