December weather forecastLens, Belgium
December
Weather in December
The first month of the winter, December, is also a frosty month in Lens, Belgium, with an average temperature fluctuating between 2.3°C (36.1°F) and 6.4°C (43.5°F).Temperature
The average high-temperature shows a slight dip in December, from November's frosty 9.7°C (49.5°F) to a still chilly 6.4°C (43.5°F). During December, Lens perceives a slight decrease in temperature from daytime highs, settling at an average low of 2.3°C (36.1°F).Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.4 days and typically aggregates up to 65mm (2.56") of precipitation.Snowfall
January through March, October through December are months with snowfall. In Lens, in December, snow falls for 3 days, with typically accumulated 19mm (0.75") of snow. In Lens, during the entire year, snow falls for 14.5 days and aggregates up to 110mm (4.33") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 16:43. On the last day of December, in Lens, sunrise is at 08:45 and sunset at 16:49 CET.
Sunshine
The average sunshine in December in Lens, Belgium, is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lens. A UV Index 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, the maximum UV index of 2 suggests these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lens, Belgium
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Lens, Belgium
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Lens, Belgium
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in December
Lens, Belgium
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Lens, Belgium
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Lens, Belgium
- Average rainfall days in December: 17.4 days
The month with the highest number of rainy days is December (17.4 days).
The month with the least rainy days is September (9 days).
Average snowfall in December
Lens, Belgium
- Average snowfall in December: 19mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Lens, Belgium
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lens, Belgium
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Lens, Belgium
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Lens, Belgium
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Lens, Belgium
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Lens, Belgium
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).





