December weather forecastWemmel, Belgium
December
Weather in December
December, the first month of the winter in Wemmel, is still a chilly month, with an average temperature ranging between max 6.3°C (43.3°F) and min 2.4°C (36.3°F).Temperature
A minor decrease in the average high-temperature is observed during December, shifting from a chilly 9.7°C (49.5°F) in November to a still frosty 6.3°C (43.3°F). With a barely noticeable fluctuation in temperature, Wemmel reaches an average low of 2.4°C (36.3°F) during the December nights.Humidity
With an average relative humidity of 88%, December is the most humid month in Wemmel, Belgium.Rainfall
December is the month with the most rainfall. Rain falls for 18.2 days and accumulates 60mm (2.36") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Wemmel, in December, snow falls for 3.4 days, with typically accumulated 36mm (1.42") of snow. In Wemmel, during the entire year, snow falls for 16.4 days and aggregates up to 133mm (5.24") of snow.Daylight
The month with the shortest days in Wemmel is December, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 08:24 and sunset at 16:39. On the last day of the month, sunrise is at 08:45 and sunset at 16:46 CET.
Sunshine
December has the least sunshine of the year in Wemmel, with an average of 3.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wemmel, Belgium
- Average high temperature in December: 6.3°C
The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in December
Wemmel, Belgium
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Wemmel, Belgium
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in December
Wemmel, Belgium
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in December
Wemmel, Belgium
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Wemmel, Belgium
- Average rainfall days in December: 18.2 days
The months with the highest number of rainy days are May and July (18.8 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall in December
Wemmel, Belgium
- Average snowfall in December: 36mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Wemmel, Belgium
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Wemmel, Belgium
- Average daylight in December: 8h and 0min
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 0min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Wemmel, Belgium
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is March (12.5 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Wemmel, 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
Wemmel, Belgium
- Average cloud cover in December: 62
The months with the most cloud cover are January and December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Wemmel, 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).





