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
Weather in December
Temperature
December brings a slight decrease in temperature, down from 9.7°C (49.5°F) in November to a still chilly 6.3°C (43.3°F). Demer upholds a consistent average temperature of 2.5°C (36.5°F) throughout the nights of December.Humidity
The most humid month is December, with an average relative humidity of 87%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.5 days and typically aggregates up to 57mm (2.24") of precipitation.Snowfall
January through March, November and December are months with snowfall in Demer. In December, it is snowing for 2.9 days. Throughout December, 30mm (1.18") of snow is accumulated. In Demer, during the entire year, snow falls for 14.9 days and aggregates up to 115mm (4.53") 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 the month, sunrise is at 08:22 and sunset at 16:37. On the last day of December, sunrise is at 08:43 and sunset at 16:43 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
January, February, 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 hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Demer in December?
What is the most humid month in Demer?
What is the average humidity in December in Demer?
What is the rainiest month in Demer?
How much does it rain in Demer in December?
How many days does it snow in December in Demer?
What is the month with the shortest days in Demer?
What is the average length of the day in December in Demer?
When is the sunrise / sunset in December in Demer?
What is the month with the least sunshine in Demer?
How long on average sun shines in December in Demer?
What are the months with the lowest UV index in Demer?
What is the UV index reading in December in Demer?
Average temperature in December
Demer, 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
Demer, Belgium
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in December
Demer, 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
Demer, 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
Demer, 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 (20mm).
Average rainfall days in December
Demer, 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 (9.9 days).
Average snowfall in December
Demer, 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
Demer, 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
Demer, 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 2min
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 24min).
Average sunshine days in December
Demer, Belgium
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is December (8.8 days).
Average UV index in December
Demer, 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
Demer, 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
Demer, 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).
Demer, Belgium
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