December weather forecastBignasco, Switzerland
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Bignasco, Switzerland, with an average temperature fluctuating between -10.8°C (12.6°F) and -2.9°C (26.8°F).Temperature
December marks a gentle change in average high-temperature, declining from November's icy 0.6°C (33.1°F) to a subzero cold -2.9°C (26.8°F). Bignasco's temperature tends to fall to an average low of -10.8°C (12.6°F) during the nights of December.Humidity
In December, the average relative humidity in Bignasco is 88%.Rainfall
In December, in Bignasco, Switzerland, the rain falls for 7 days. Throughout December, 124mm (4.88") of precipitation is accumulated. Throughout the year, there are 200.1 rainfall days, and 1619mm (63.74") of precipitation is accumulated.Snowfall
Months with snowfall in Bignasco are January through May, September through December. The month with the most snowfall is December, when snow falls for 18.5 days and typically aggregates up to 734mm (28.9") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December in Bignasco, sunrise is at 07:48 and sunset at 16:40. On the last day of the month, sunrise is at 08:08 and sunset at 16:48 CET.
Sunshine
In Bignasco, the average sunshine in December is 4.1h.UV index
January through April, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bignasco, Switzerland
- Average high temperature in December: -2.9°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in December: -10.8°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is February (-12.7°C).
Average pressure in December
Bignasco, 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 (1015.3mbar).
Average wind speed in December
Bignasco, Switzerland
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is December (10km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in December
Bignasco, Switzerland
- Average humidity in December: 88%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is July (82%).
Average rainfall in December
Bignasco, Switzerland
- Average rainfall in December: 124mm
The wettest month (with the highest rainfall) is August (205mm).
The driest month (with the least rainfall) is February (71mm).
Average rainfall days in December
Bignasco, Switzerland
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is July (27.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Bignasco, Switzerland
- Average snowfall in December: 734mm
The month with the highest snowfall is December (734mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Bignasco, Switzerland
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Bignasco, Switzerland
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in December
Bignasco, Switzerland
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in December
Bignasco, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in December
Bignasco, Switzerland
- Average cloud cover in December: 58
The months with the most cloud cover are March and April (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 50).
Average visibility in December
Bignasco, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June and July (8km).
The months with the lowest visibility are January, February, March and April (5km).





