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
December
Weather in December
Temperature
December reveals a small adjustment in temperature, transitioning from an average high of a wintry 4.3°C (39.7°F) in November to a subzero cold -0.2°C (31.6°F). Throughout the month of December, Valens expects an average low of -7.7°C (18.1°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In Valens, during December, the rain falls for 13 days and regularly aggregates up to 90mm (3.54") of precipitation. In Valens, Switzerland, during the entire year, the rain falls for 211.5 days and collects up to 1072mm (42.2") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Valens, during December, snow falls for 10.4 days and regularly aggregates up to 203mm (7.99") of snow. Throughout the year, there are 55.6 snowfall days, and 1071mm (42.17") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:47 and sunset at 16:35. On the last day of December, in Valens, sunrise is at 08:07 and sunset at 16:42 CET.
Sunshine
In Valens, the average sunshine in December is 5.4h.UV index
In Valens, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Valens in December?
What is the average humidity in December in Valens?
How many days does it rain in December in Valens?
How much does it snow in Valens in December?
What is the month with the shortest days in Valens?
What is the average length of the day in December in Valens?
When is the sunrise / sunset in December in Valens?
How many hours of sunshine does Valens have in December?
How high is the UV index in December in Valens?
Average temperature in December
Valens, Switzerland
- Average high temperature in December: -0.2°C
The warmest month (with the highest average high temperature) is August (19°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is August (7.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in December
Valens, 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 (1015.5mbar).
Average wind speed in December
Valens, Switzerland
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in December
Valens, Switzerland
- Average humidity in December: 84%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Valens, Switzerland
- Average rainfall in December: 90mm
The wettest month (with the highest rainfall) is August (133mm).
The driest month (with the least rainfall) is February (61mm).
Average rainfall days in December
Valens, Switzerland
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall in December
Valens, Switzerland
- Average snowfall in December: 203mm
The month with the highest snowfall is January (320mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Valens, Switzerland
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Valens, Switzerland
- Average daylight in December: 8h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Valens, Switzerland
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (3.8 days).
Average UV index in December
Valens, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Valens, Switzerland
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 37).
Average visibility in December
Valens, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are May, June, July, August, October and November (8km).
The month with the lowest visibility is January (6km).
