December weather forecastKoppigen, Switzerland
December
Weather in December
December, the first month of the winter in Koppigen, is also a wintry month, with an average temperature varying between 4.2°C (39.6°F) and -1.7°C (28.9°F).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's chilly 8.3°C (46.9°F) to a cold 4.2°C (39.6°F). Koppigen in December experiences a low-temperature average of -1.7°C (28.9°F).Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 15.2 days. Throughout December, 81mm (3.19") of precipitation is accumulated. Throughout the year, there are 190.8 rainfall days, and 880mm (34.65") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Koppigen, during December, snow falls for 7.9 days and regularly aggregates up to 143mm (5.63") of snow. In Koppigen, during the entire year, snow falls for 39.9 days and aggregates up to 652mm (25.67") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:55 and sunset at 16:42. On the last day of December, sunrise is at 08:15 and sunset at 16:49 CET.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
January, February, October through 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 the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Koppigen, Switzerland
- Average high temperature in December: 4.2°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: -1.7°C
The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in December
Koppigen, Switzerland
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Koppigen, Switzerland
- Average wind speed in December: 8.5km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Koppigen, Switzerland
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Koppigen, Switzerland
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in December
Koppigen, Switzerland
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in December
Koppigen, Switzerland
- Average snowfall in December: 143mm
The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Koppigen, Switzerland
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Koppigen, Switzerland
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Koppigen, Switzerland
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in December
Koppigen, 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, October, November and December (UV index 2).
Average cloud cover in December
Koppigen, Switzerland
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Koppigen, 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).
