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
A mild drop in Bilten's average high-temperature is observed in December, transitioning from a frosty 6.9°C (44.4°F) in November to an icy 2.5°C (36.5°F). Bilten temperatures generally rest at a low of -3.8°C (25.2°F) during the December nights.Humidity
The average relative humidity in December in Bilten is 85%.Rainfall
In Bilten, in December, it is raining for 8.9 days, with typically 82mm (3.23") of accumulated precipitation. In Bilten, during the entire year, the rain falls for 129.6 days and collects up to 714mm (28.11") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.2 days. Throughout December, 231mm (9.09") of snow is accumulated. In Bilten, during the entire year, snow falls for 53.4 days and aggregates up to 1344mm (52.91") of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:49 and sunset at 16:36. On the last day of the month, sunrise is at 08:10 and sunset at 16:44 CET.
Sunshine
The month with the least sunshine is December, with an average of 4.8h of sunshine.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Bilten. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is it in Bilten in December?
What is the average humidity in December in Bilten?
How many days does it rain in December in Bilten?
How much does it snow in Bilten in December?
What is the month with the shortest days in Bilten?
How many hours of daylight does Bilten have in December?
When are sunrise and sunset in December in Bilten?
What is the month with the least sunshine in Bilten?
How long on average sun shines in December in Bilten?
What is the month with the lowest UV index in Bilten?
What is the UV index intensity in December in Bilten?
Average temperature in December
Bilten, Switzerland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in December: -3.8°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in December
Bilten, 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
Bilten, Switzerland
- Average wind speed in December: 8km/h
The windiest month (with the highest average wind speed) is December (8km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in December
Bilten, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in December
Bilten, Switzerland
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is November (36mm).
Average rainfall days in December
Bilten, Switzerland
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Bilten, Switzerland
- Average snowfall in December: 231mm
The month with the highest snowfall is January (417mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bilten, Switzerland
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bilten, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Bilten, Switzerland
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is October (19.3 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in December
Bilten, 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
Bilten, Switzerland
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Bilten, Switzerland
- Average visibility in December: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January and February (7km).
Bilten, Switzerland
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