December weather forecastChâtillon, Belgium
December
Weather in December
By December, winter has firmly set in Châtillon with average temperatures barely edging above freezing at 4.4°C (39.9°F). The month also welcomes the heaviest rainfall of the year, measuring up to 73mm (2.87"), contributing to the chilly weather. It's the perfect time to relish a hot cup of cocoa by the fireplace. Snowfall increases, dusting the city in a beautiful blanket of white and creating postcard-worthy views. The festive season adds a touch of magic to the chilly weather making it a beautiful end to the year.Temperature
December marks a gentle change in average high-temperature, declining from November's frosty 7.5°C (45.5°F) to a cold 4.4°C (39.9°F). Châtillon, during December nights, experiences a subtle shift to a low average of 0.2°C (32.4°F) from the day's heat.Humidity
The most humid month in Châtillon, Belgium, is December, with an average relative humidity of 92%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.6 days and typically aggregates up to 73mm (2.87") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The months with the most snowfall in Châtillon are January and December, with an average 80mm (3.15") of accumulated snow.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:12 and sunset at 16:39. On the last day of the month, sunrise is at 08:33 and sunset at 16:46 CET.
Sunshine
The month with the least sunshine is December, with an average of 3h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Châtillon, Belgium
- Average high temperature in December: 4.4°C
The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in December
Châtillon, Belgium
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Châtillon, Belgium
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Châtillon, Belgium
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in December
Châtillon, Belgium
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in December
Châtillon, Belgium
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in December
Châtillon, Belgium
- Average snowfall in December: 80mm
The months with the highest snowfall are January and December (80mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Châtillon, Belgium
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Châtillon, Belgium
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Châtillon, Belgium
- Average sunshine days in December: 9 days
The months with the most sunshine days are April and September (14.7 days).
The month with the least sunshine days is December (9 days).
Average UV index in December
Châtillon, Belgium
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Châtillon, Belgium
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Châtillon, Belgium
- Average visibility in December: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).
