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 weather during December records an average high-temperature of a chilly 7.7°C (45.9°F), closely mirroring the preceding month. Maintaining close parity with daytime warmth, the average nocturnal temperature in Sijsele during December stays at a wintry 4.6°C (40.3°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
The wettest months in Sijsele are August and December, with an average 56mm (2.2") of rainfall.Snowfall
January through March, November and December are months with snowfall in Sijsele, Belgium. In Sijsele, Belgium, during December, snow falls for 2.2 days and regularly aggregates up to 14mm (0.55") of snow. Throughout the year, there are 9.6 snowfall days, and 66mm (2.6") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 08:29 and sunset at 16:42. On the last day of December, sunrise is at 08:50 and sunset at 16:49 CET.
Sunshine
The month with the least sunshine in Sijsele is December, with an average of 3.6h 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 low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the usual temperature for Sijsele in December?
What are the most humid months in Sijsele?
What is the average humidity in December in Sijsele?
What is the rainiest month in Sijsele?
How many days does it rain in December in Sijsele?
How many days does it snow in December in Sijsele?
What is the month with the shortest days in Sijsele?
How many hours of daylight does Sijsele have in December?
When are sunrise and sunset in December in Sijsele?
What is the month with the least sunshine in Sijsele?
How many hours of sunshine does Sijsele have in December?
When is the lowest UV index in Sijsele?
What is the UV index intensity in December in Sijsele?
Average temperature in December
Sijsele, Belgium
- Average high temperature in December: 7.7°C
The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 4.6°C
The month with the highest average low temperature is August (15.1°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in December
Sijsele, Belgium
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in December
Sijsele, Belgium
- Average wind speed in December: 22.6km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in December
Sijsele, Belgium
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Sijsele, Belgium
- Average rainfall in December: 56mm
The wettest months (with the highest rainfall) are August and December (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Sijsele, Belgium
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is April (12.1 days).
Average snowfall in December
Sijsele, Belgium
- Average snowfall in December: 14mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Sijsele, Belgium
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.3 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
Sijsele, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Sijsele, Belgium
- Average sunshine days in December: 7 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (7 days).
Average UV index in December
Sijsele, 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
Sijsele, Belgium
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in December
Sijsele, Belgium
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
Sijsele, Belgium
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