December weather forecastAalst, Netherlands
December
Weather in December
December, the first month of the winter in Aalst, is also a frosty month, with temperature in the range of an average high of 6.1°C (43°F) and an average low of 2.5°C (36.5°F).Temperature
With the onset of December, Aalst's climate undergoes a slight change as the average high-temperature moves from 9.4°C (48.9°F) in November to a still frosty 6.1°C (43°F). Nighttime temperatures in Aalst hover around an average low of 2.5°C (36.5°F) in December, a slight descent from daytime highs.Humidity
December is the most humid month, with an average relative humidity of 88%.Rainfall
In Aalst, in December, during 9.5 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, there are 92.6 rainfall days, and 112mm (4.41") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Aalst, Netherlands. In December, it is snowing for 1.7 days. Throughout December, 3mm (0.12") of snow is accumulated. Throughout the year, there are 7.2 snowfall days, and 19mm (0.75") of snow is accumulated.Daylight
December has the shortest days of the year in Aalst, Netherlands, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 08:23 and sunset at 16:30. On the last day of the month, sunrise is at 08:45 and sunset at 16:36 CET.
Sunshine
With an average of 3.5h of sunshine, December has the least sunshine of the year.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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Aalst, Netherlands
- Average high temperature in December: 6.1°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in December
Aalst, Netherlands
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in December
Aalst, Netherlands
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in December
Aalst, Netherlands
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Aalst, Netherlands
- Average rainfall in December: 11mm
The wettest months (with the highest rainfall) are June and August (12mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in December
Aalst, Netherlands
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is December (9.5 days).
The month with the least rainy days is April (6.1 days).
Average snowfall in December
Aalst, Netherlands
- Average snowfall in December: 3mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Aalst, Netherlands
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Aalst, Netherlands
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Aalst, Netherlands
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is April (22.7 days).
The month with the least sunshine days is August (16.3 days).
Average UV index in December
Aalst, Netherlands
- 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
Aalst, Netherlands
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Aalst, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





