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
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a cool 10°C (50°F) in November to a chilly 6.8°C (44.2°F). Asper, during December nights, observes a steady temperature, averaging at an icy 2.9°C (37.2°F).Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall. Rain falls for 15.4 days and accumulates 55mm (2.17") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Asper, in December, snow falls for 2.3 days, with typically accumulated 21mm (0.83") of snow. In Asper, during the entire year, snow falls for 11.4 days and aggregates up to 101mm (3.98") 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, sunrise is at 08:26 and sunset at 16:42. On the last day of the month, sunrise is at 08:48 and sunset at 16:49 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How much 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 in Asper?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Asper, 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
Asper, Belgium
- Average pressure in December: 1016mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Asper, 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
Asper, 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
Asper, 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
Asper, 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
Asper, 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
Asper, 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
Asper, 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 4min
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 42min).
Average sunshine days in December
Asper, 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
Asper, 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
Asper, 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
Asper, 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).
