December weather forecastForest, Belgium
December
Weather in December
The first month of the winter, December, is still a chilly month in Forest, Belgium, with an average temperature fluctuating between 2.3°C (36.1°F) and 6.4°C (43.5°F).Temperature
As December begins, there is a minor decrease in the average high-temperature, softly falling from 9.7°C (49.5°F) in November to a still frosty 6.4°C (43.5°F). Forest experiences a steady nighttime temperature of 2.3°C (36.1°F) throughout the month of December.Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 17.4 days and typically aggregates up to 65mm (2.56") of precipitation.Snowfall
Months with snowfall in Forest are January through March, October through December. In Forest, Belgium, in December, during 3 snowfall days, 19mm (0.75") of snow is typically accumulated. In Forest, Belgium, during the entire year, snow falls for 14.5 days and aggregates up to 110mm (4.33") 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 Forest, sunrise is at 08:23 and sunset at 16:40. On the last day of the month, sunrise is at 08:44 and sunset at 16:46 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index in Forest are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Forest, Belgium
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.3°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 (1°C).
Average pressure in December
Forest, Belgium
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Forest, Belgium
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in December
Forest, 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
Forest, Belgium
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is July (21mm).
Average rainfall days in December
Forest, Belgium
- Average rainfall days in December: 17.4 days
The month with the highest number of rainy days is December (17.4 days).
The month with the least rainy days is September (9.3 days).
Average snowfall in December
Forest, Belgium
- Average snowfall in December: 19mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Forest, Belgium
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is February (4.7 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
Forest, Belgium
- Average daylight in December: 8h and 0min
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 0min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Forest, Belgium
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Forest, 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
Forest, Belgium
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Forest, Belgium
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).





