December weather forecastDiest, Belgium
December
Weather in December
December, the first month of the winter in Diest, is still a chilly month, with temperature in the range of an average low of 2.5°C (36.5°F) and an average high of 6.3°C (43.3°F).Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 9.7°C (49.5°F) to a still chilly 6.3°C (43.3°F). Diest nights in December witness a mild cool down to an average temperature of 2.5°C (36.5°F).Humidity
December is the most humid month, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall in Diest. Rain falls for 17.5 days and accumulates 57mm (2.24") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Diest, in December, snow falls for 2.9 days, with typically accumulated 30mm (1.18") of snow. In Diest, during the entire year, snow falls for 14.9 days and aggregates up to 115mm (4.53") of snow.Daylight
December has the shortest days of the year in Diest, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 08:21 and sunset at 16:36. On the last day of the month, sunrise is at 08:42 and sunset at 16:43 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Diest, Belgium
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in December
Diest, 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 (1012.6mbar).
Average wind speed in December
Diest, Belgium
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Diest, Belgium
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Diest, Belgium
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in December
Diest, Belgium
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is December (17.5 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in December
Diest, Belgium
- Average snowfall in December: 30mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Diest, Belgium
- Average snowfall days in December: 2.9 days
The months with the highest number of snowfall days are January and February (4.7 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
Diest, 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 36min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Diest, Belgium
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is December (8.8 days).
Average UV index in December
Diest, 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
Diest, Belgium
- 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 42).
Average visibility in December
Diest, Belgium
- 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).





