December weather forecastGerra, Switzerland
December
Weather in December
The first month of the winter, December, is also a wintry month in Gerra, Switzerland, with an average temperature ranging between min -4.6°C (23.7°F) and max 2°C (35.6°F).Temperature
As Gerra enters December, the average high-temperature subtly lowers from the 5.5°C (41.9°F) of November to a still icy 2°C (35.6°F). During the month of December, the temperature generally drops to a low average of -4.6°C (23.7°F).Humidity
In Gerra, the average relative humidity in December is 78%.Rainfall
In Gerra, in December, it is raining for 8.6 days, with typically 70mm (2.76") of accumulated precipitation. In Gerra, during the entire year, the rain falls for 200.8 days and collects up to 1253mm (49.33") of precipitation.Snowfall
January through May, October through December are months with snowfall in Gerra. In December, in Gerra, it is snowing for 12.2 days. Throughout December, 260mm (10.24") of snow is accumulated. Throughout the year, there are 63.5 snowfall days, and 1500mm (59.06") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:47 and sunset at 16:40. On the last day of December, sunrise is at 08:07 and sunset at 16:49 CET.
Sunshine
The average sunshine in December in Gerra is 6.3h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gerra, Switzerland
- Average high temperature in December: 2°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in December: -4.6°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average pressure in December
Gerra, Switzerland
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in December
Gerra, Switzerland
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is February (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.8km/h).
Average humidity in December
Gerra, Switzerland
- Average humidity in December: 78%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Gerra, Switzerland
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is November (164mm).
The driest month (with the least rainfall) is January (45mm).
Average rainfall days in December
Gerra, Switzerland
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (25.5 days).
The months with the least rainy days are February and December (8.6 days).
Average snowfall in December
Gerra, Switzerland
- Average snowfall in December: 260mm
The month with the highest snowfall is November (334mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gerra, Switzerland
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gerra, 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: 6h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in December
Gerra, Switzerland
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is June (3.1 days).
Average UV index in December
Gerra, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Gerra, Switzerland
- Average cloud cover in December: 31
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Gerra, Switzerland
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and December (9km).
The months with the lowest visibility are January, February, March, September, October and November (8km).





