December weather forecastStierva, Switzerland
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Stierva, Switzerland, with an average temperature varying between -9°C (15.8°F) and -1.1°C (30°F).Temperature
With the onset of December, Stierva's climate undergoes a slight change as the average high-temperature moves from an icy 3.1°C (37.6°F) in November to a subzero cold -1.1°C (30°F). Stierva's average low-temperature in the month of December is recorded at -9°C (15.8°F).Humidity
In December, the average relative humidity is 85%.Rainfall
In Stierva, in December, it is raining for 5.6 days, with typically 54mm (2.13") of accumulated precipitation. In Stierva, during the entire year, the rain falls for 139.1 days and collects up to 628mm (24.72") of precipitation.Snowfall
January through December are months with snowfall. December is the month with the most snowfall. Snow falls for 17.5 days and accumulates 403mm (15.87") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 07:46 and sunset at 16:35. On the last day of the month, sunrise is at 08:06 and sunset at 16:43 CET.
Sunshine
In Stierva, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly 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
Stierva, Switzerland
- Average high temperature in December: -1.1°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in December: -9°C
The months with the highest average low temperature are July and August (6.3°C).
The coldest month (with the lowest average low temperature) is February (-10.8°C).
Average pressure in December
Stierva, Switzerland
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Stierva, Switzerland
- Average wind speed in December: 8.2km/h
The windiest months (with the highest average wind speed) are February and November (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in December
Stierva, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is July (79%).
Average rainfall in December
Stierva, Switzerland
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is August (88mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in December
Stierva, Switzerland
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Stierva, Switzerland
- Average snowfall in December: 403mm
The month with the highest snowfall is December (403mm).
The month with the least snowfall is August (1mm).
Average snowfall days in December
Stierva, Switzerland
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is January (18.3 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in December /
Average sunshine in December
Stierva, 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 months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in December
Stierva, Switzerland
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Stierva, 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, November and December (UV index 1).
Average cloud cover in December
Stierva, Switzerland
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 51).
The months with the least cloud cover are July, August and October (Cloud cover 40).
Average visibility in December
Stierva, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).





