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's onset brings a negligible change in high-temperatures, falling from a cool 10°C (50°F) in November to a frosty 6.8°C (44.2°F). Mullem's nighttime temperatures in December settle close to daytime highs at an average of 2.9°C (37.2°F).Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
The month with the most rainfall in Mullem is December, when the rain falls for 15.4 days and typically aggregates up to 55mm (2.17") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, in Mullem, Belgium, it is snowing for 2.3 days. Throughout December, 21mm (0.83") of snow is accumulated. Throughout the year, there are 11.4 snowfall days, and 101mm (3.98") of snow is accumulated.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 08:26 and sunset at 16:42. On the last day of December, in Mullem, sunrise is at 08:48 and sunset at 16:49 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index in Mullem are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is it in Mullem in December?
What is the most humid month in Mullem?
What is the average humidity in December in Mullem?
What is the rainiest month in Mullem?
How many days does it rain in December in Mullem?
How much does it snow in Mullem in December?
What is the month with the shortest days in Mullem?
How many hours of daylight does Mullem have in December?
When is the sunrise / sunset in December in Mullem?
What is the month with the least sunshine in Mullem?
How many hours of sunshine does Mullem have in December?
When is the lowest UV index in Mullem?
How high is the UV index in December in Mullem?
Average temperature in December
Mullem, Belgium
- Average high temperature in December: 6.8°C
The warmest months (with the highest average high temperature) are July and August (23.2°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Mullem, Belgium
- Average pressure in December: 1016mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Mullem, 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 (11.6km/h).
Average humidity in December
Mullem, Belgium
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in December
Mullem, Belgium
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Mullem, Belgium
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is February (12.6 days).
Average snowfall in December
Mullem, Belgium
- Average snowfall in December: 21mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Mullem, Belgium
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (3.8 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
Mullem, 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 3min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Mullem, Belgium
- Average sunshine days in December: 11 days
The month with the most sunshine days is April (14 days).
The month with the least sunshine days is November (10.5 days).
Average UV index in December
Mullem, 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
Mullem, Belgium
- Average cloud cover in December: 63
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in December
Mullem, Belgium
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
Mullem, Belgium
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