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
December
Weather in December
Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a chilly 7.7°C (45.9°F) in November to an icy 4.5°C (40.1°F). Francorchamps maintains a minor drop in temperature during December nights, with averages of 0.2°C (32.4°F).Humidity
January and December, with an average relative humidity of 91%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 13.5 days and typically aggregates up to 68mm (2.68") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Francorchamps, during December, snow falls for 9.4 days and regularly aggregates up to 112mm (4.41") of snow. Throughout the year, there are 46.9 snowfall days, and 546mm (21.5") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:15 and sunset at 16:35. On the last day of December, sunrise is at 08:36 and sunset at 16:42 CET.
Sunshine
With an average of 2.8h of sunshine, December has the least sunshine of the year.UV index
January through March, 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 minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Francorchamps, Belgium
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (20.7°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 0.2°C
The months with the highest average low temperature are July and August (11.5°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in December
Francorchamps, Belgium
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Francorchamps, Belgium
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Francorchamps, Belgium
- Average humidity in December: 91%
The months with the highest relative humidity are January and December (91%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Francorchamps, Belgium
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Francorchamps, Belgium
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Francorchamps, Belgium
- Average snowfall in December: 112mm
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Francorchamps, Belgium
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Francorchamps, Belgium
- Average daylight in December: 8h and 1min
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: 2h and 5min
The months with the most sunshine are July and August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in December
Francorchamps, Belgium
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in December
Francorchamps, 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
Francorchamps, 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 46).
Average visibility in December
Francorchamps, Belgium
- Average visibility in December: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (8km).
