December weather forecastSiebnen, Switzerland
December weather for Siebnen, Switzerland: In Siebnen, in December, snow falls for 10.2 days, with typically accumulated 160mm (6.3") of snow. In Siebnen, during December, the rain falls for 9.8 days and regularly aggregates up to 56mm (2.2") of precipitation.
December
Weather in December
December, the first month of the winter in Siebnen, is still a cold month, with temperature in the range of an average high of 3.2°C (37.8°F) and an average low of -2.7°C (27.1°F).Temperature
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's chilly 7.5°C (45.5°F) to an icy 3.2°C (37.8°F). Siebnen's temperature drops to an average low of -2.7°C (27.1°F) during the nights of December.Humidity
In December, the average relative humidity is 87%.Rainfall
In Siebnen, during December, the rain falls for 9.8 days and regularly aggregates up to 56mm (2.2") of precipitation. In Siebnen, during the entire year, the rain falls for 151 days and collects up to 623mm (24.53") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Siebnen, in December, snow falls for 10.2 days, with typically accumulated 160mm (6.3") of snow. In Siebnen, during the entire year, snow falls for 50.4 days and aggregates up to 753mm (29.65") 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 07:50 and sunset at 16:36. On the last day of December, sunrise is at 08:10 and sunset at 16:44 CET.
Sunshine
The average sunshine in December is 4.7h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siebnen, Switzerland
- Average high temperature in December: 3.2°C
The warmest months (with the highest average high temperature) are July and August (22.5°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).
Average pressure in December
Siebnen, 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 (1015.6mbar).
Average wind speed in December
Siebnen, Switzerland
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Siebnen, Switzerland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Siebnen, Switzerland
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (31mm).
Average rainfall days in December
Siebnen, Switzerland
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Siebnen, Switzerland
- Average snowfall in December: 160mm
The month with the highest snowfall is January (202mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siebnen, Switzerland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siebnen, Switzerland
- Average daylight in December: 8h and 36min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Siebnen, Switzerland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Siebnen, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Siebnen, Switzerland
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Siebnen, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).





