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
Weather in December
Temperature
The commencement of December in Aalst indicates a gentle shift in the average high-temperature, receding from November's fresh 10°C (50°F) to a chilly 6.6°C (43.9°F). Aalst, during December nights, experiences a subtle shift to a low average of 2.8°C (37°F) from the day's heat.Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall in Aalst. Rain falls for 17.9 days and accumulates 59mm (2.32") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 2.4 days. Throughout December, 27mm (1.06") of snow is accumulated. In Aalst, during the entire year, snow falls for 12.5 days and aggregates up to 107mm (4.21") of snow.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of December in Aalst, sunrise is at 08:25 and sunset at 16:40. On the last day of the month, sunrise is at 08:46 and sunset at 16:47 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.5h 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Aalst during December?
What is the most humid month in Aalst?
What is the average humidity in December in Aalst?
What is the rainiest month in Aalst?
How much does it rain in Aalst in December?
How much does it snow in Aalst in December?
What is the month with the shortest days in Aalst?
What is the average length of the day in December in Aalst?
When is the sunrise / sunset in December in Aalst?
What is the month with the least sunshine in Aalst?
How many hours of sunshine does Aalst have in December?
What are the months with the lowest UV index in Aalst?
How high is the UV index in December in Aalst?
Average temperature in December
Aalst, Belgium
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Aalst, Belgium
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in December
Aalst, Belgium
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in December
Aalst, 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
Aalst, Belgium
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Aalst, Belgium
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is December (17.9 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in December
Aalst, Belgium
- Average snowfall in December: 27mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Aalst, Belgium
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.4 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
Aalst, Belgium
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Aalst, Belgium
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Aalst, 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
Aalst, Belgium
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in December
Aalst, Belgium
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
Aalst, Belgium
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