December weather forecastBulle, Switzerland
December weather for Bulle, Switzerland: In Bulle, Switzerland, in December, snow falls for 5.6 days, with typically accumulated 128mm (5.04") of snow. In Bulle, in December, during 5.6 snowfall days, 128mm (5.04") of snow is typically accumulated.
December
Weather in December
In Bulle, December is synonymous with winter, chilly winds, and the thrill of holidays. The very air seems to bristle with cold; temperatures dive to a freezing -5.2°C (22.6°F) at night, rising only mildly to 1.9°C (35.4°F) during the day. December weather in Bulle is characterized by 128mm (5.04") of snowfall, second highest of the year and a noticeable increase from November’s 60mm (2.36"). Amid a celebration of the magical holiday season, the city is wrapped in a spectacular white blanket. Regardless of the chill, there is an undeniable charm to the winter wonderland that Bulle transforms into during December.Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a chilly 6.1°C (43°F) in November to an icy 1.9°C (35.4°F). Nighttime temperature in Bulle lowers to an average of -5.2°C (22.6°F) in December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Bulle, Switzerland, in December, during 6.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Bulle, during the entire year, the rain falls for 96.1 days and collects up to 311mm (12.24") of precipitation.Snowfall
Months with snowfall in Bulle are January through May, October through December. In Bulle, in December, during 5.6 snowfall days, 128mm (5.04") of snow is typically accumulated. In Bulle, during the entire year, snow falls for 35.5 days and aggregates up to 551mm (21.69") of snow.Daylight
December has the shortest days of the year in Bulle, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:55 and sunset at 16:46. On the last day of December, in Bulle, sunrise is at 08:15 and sunset at 16:54 CET.
Sunshine
In Bulle, the average sunshine in December is 5.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Bulle. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bulle, Switzerland
- Average high temperature in December: 1.9°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -5.2°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in December
Bulle, Switzerland
- Average pressure in December: 1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Bulle, Switzerland
- Average wind speed in December: 9.4km/h
The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in December
Bulle, Switzerland
- Average humidity in December: 83%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in December
Bulle, Switzerland
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in December
Bulle, Switzerland
- Average rainfall days in December: 6.1 days
The months with the highest number of rainy days are June and July (11.7 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Bulle, Switzerland
- Average snowfall in December: 128mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bulle, Switzerland
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bulle, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Bulle, Switzerland
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.2 days).
Average UV index in December
Bulle, Switzerland
- Average UV index in December: 2
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Bulle, Switzerland
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Bulle, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).





