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 arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's chilly 8.2°C (46.8°F) to a wintry 4.2°C (39.6°F). December in Delémont, Switzerland, witnesses an average low-temperature hovering around a subzero cold -1.5°C (29.3°F).Humidity
In Delémont, the average relative humidity in December is 85%.Rainfall
In Delémont, in December, during 14.9 rainfall days, 95mm (3.74") of precipitation is typically accumulated. Throughout the year, in Delémont, there are 195.6 rainfall days, and 870mm (34.25") of precipitation is accumulated.Snowfall
Months with snowfall in Delémont, Switzerland, are January through May, September through December. In December, in Delémont, it is snowing for 7.5 days. Throughout December, 123mm (4.84") of snow is accumulated. In Delémont, during the entire year, snow falls for 37.6 days and aggregates up to 557mm (21.93") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 07:57 and sunset at 16:42. On the last day of the month, sunrise is at 08:17 and sunset at 16:49 CET.
Sunshine
December has the least sunshine of the year in Delémont, Switzerland, with an average of 4.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold is it in Delémont in December?
What is the average humidity in December in Delémont?
How many days does it rain in December in Delémont?
How many days does it snow in December in Delémont?
What is the month with the shortest days in Delémont?
How many hours of daylight does Delémont have in December?
When are sunrise and sunset in December in Delémont?
What is the month with the least sunshine in Delémont?
How long on average sun shines in December in Delémont?
When is the lowest UV index in Delémont?
What is the UV index intensity in December in Delémont?
Average temperature in December
Delémont, Switzerland
- Average high temperature in December: 4.2°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).
Average pressure in December
Delémont, Switzerland
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Delémont, Switzerland
- Average wind speed in December: 9.9km/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 (6.3km/h).
Average humidity in December
Delémont, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in December
Delémont, Switzerland
- Average rainfall in December: 95mm
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in December
Delémont, Switzerland
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in December
Delémont, Switzerland
- Average snowfall in December: 123mm
The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Delémont, Switzerland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Delémont, Switzerland
- Average daylight in December: 8h and 3min
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 30min).
- 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 December (Average sunshine: 4h and 54min).
Average sunshine days in December
Delémont, Switzerland
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in December
Delémont, 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
Delémont, Switzerland
- Average cloud cover in December: 49
The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Delémont, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
Delémont, Switzerland
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