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
The onset of December results in a small decrease in the average high-temperature, moderately receding from a chilly 9.6°C (49.3°F) in November to a still frosty 6.2°C (43.2°F). Recording a slight decline in temperature during the nights, Heppen's December temperatures average at a wintry 2.5°C (36.5°F).Humidity
With an average relative humidity of 87%, December is the most humid month.Rainfall
In December, the rain falls for 15.3 days. Throughout December, 49mm (1.93") of precipitation is accumulated. Throughout the year, in Heppen, there are 172.9 rainfall days, and 469mm (18.46") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Heppen, during December, snow falls for 2.5 days and regularly aggregates up to 23mm (0.91") of snow. In Heppen, during the entire year, snow falls for 11.6 days and aggregates up to 90mm (3.54") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 0min of daylight.On the first day of December in Heppen, Belgium, sunrise is at 08:21 and sunset at 16:35. On the last day of the month, sunrise is at 08:42 and sunset at 16:41 CET.
Sunshine
December has the least sunshine of the year in Heppen, with an average of 3.7h 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 vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Heppen during December?
What is the most humid month in Heppen?
What is the average humidity in December in Heppen?
How much does it rain in Heppen in December?
How many days does it snow in December in Heppen?
What is the month with the shortest days in Heppen?
What is the average length of the day in December in Heppen?
What time are sunrise and sunset in December in Heppen?
What is the month with the least sunshine in Heppen?
How many hours of sunshine does Heppen have in December?
What are the months with the lowest UV index in Heppen?
What is the UV index reading in December in Heppen?
Average temperature in December
Heppen, Belgium
- Average high temperature in December: 6.2°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°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Heppen, Belgium
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in December
Heppen, Belgium
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Heppen, 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
Heppen, Belgium
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Heppen, Belgium
- Average rainfall days in December: 15.3 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in December
Heppen, Belgium
- Average snowfall in December: 23mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Heppen, Belgium
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.7 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
Heppen, 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 July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Heppen, Belgium
- Average sunshine days in December: 11.5 days
The months with the most sunshine days are March and April (16.6 days).
The months with the least sunshine days are June and July (9.8 days).
Average UV index in December
Heppen, 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
Heppen, Belgium
- Average cloud cover in December: 63
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Heppen, 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).
Heppen, Belgium
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