December weather forecastChâtelet, Belgium
December
Weather in December
December, the first month of the winter in Châtelet, is still a cold month, with an average temperature ranging between max 5.8°C (42.4°F) and min 1.9°C (35.4°F).Temperature
December brings a slight decrease in the average high-temperature, shifting from a frosty 9.2°C (48.6°F) in November to a wintry 5.8°C (42.4°F). Châtelet, during the December nights, maintains an average temperature of 1.9°C (35.4°F), closely aligned with its daytime readings.Humidity
The most humid month in Châtelet is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Châtelet is December, when the rain falls for 15.1 days and typically aggregates up to 60mm (2.36") of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Châtelet, in December, during 3.4 snowfall days, 38mm (1.5") of snow is typically accumulated. In Châtelet, during the entire year, snow falls for 16.2 days and aggregates up to 154mm (6.06") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 08:20 and sunset at 16:41. On the last day of the month, sunrise is at 08:42 and sunset at 16:48 CET.
Sunshine
January and December, with an average of 3.5h of sunshine, are months with the least sunshine in Châtelet.UV index
The months with the lowest UV index in Châtelet are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Châtelet, Belgium
- Average high temperature in December: 5.8°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in December: 1.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in December
Châtelet, Belgium
- Average pressure in December: 1016.8mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in December
Châtelet, Belgium
- Average wind speed in December: 18.7km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in December
Châtelet, Belgium
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Châtelet, Belgium
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Châtelet, Belgium
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in December
Châtelet, Belgium
- Average snowfall in December: 38mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Châtelet, Belgium
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Châtelet, Belgium
- Average daylight in December: 8h and 6min
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 6min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in December
Châtelet, Belgium
- Average sunshine days in December: 11.5 days
The months with the most sunshine days are March and September (14.2 days).
The month with the least sunshine days is August (10.4 days).
Average UV index in December
Châtelet, Belgium
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Châtelet, Belgium
- Average cloud cover in December: 65
The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 44).
Average visibility in December
Châtelet, Belgium
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August and October (9km).
The months with the lowest visibility are January, September, November and December (8km).





