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 beginning of December brings a minor change in the average high-temperature, shifting from a chilly 9.3°C (48.7°F) in November to a wintry 5.9°C (42.6°F). In Heijen, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 2.4°C (36.3°F).Humidity
December is the most humid month, with an average relative humidity of 88%.Rainfall
In Heijen, in December, during 14.6 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, in Heijen, there are 177.1 rainfall days, and 459mm (18.07") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Heijen. In Heijen, in December, snow falls for 3.2 days, with typically accumulated 18mm (0.71") of snow. Throughout the year, in Heijen, there are 12.3 snowfall days, and 82mm (3.23") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 08:20 and sunset at 16:29. On the last day of December, sunrise is at 08:42 and sunset at 16:36 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Heijen?
What is the most humid month in Heijen?
What is the average humidity in December in Heijen?
How many days does it rain in December in Heijen?
How many days does it snow in December in Heijen?
What is the month with the shortest days in Heijen?
How many hours of daylight does Heijen have in December?
When is the sunrise / sunset in December in Heijen?
What is the month with the least sunshine in Heijen?
How long on average sun shines in December in Heijen?
What are the months with the lowest UV index in Heijen?
How high is the UV index in December in Heijen?
Average temperature in December
Heijen, Netherlands
- Average high temperature in December: 5.9°C
The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in December
Heijen, Netherlands
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Heijen, Netherlands
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest months (with the lowest average wind speed) are July and August (11.5km/h).
Average humidity in December
Heijen, Netherlands
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Heijen, Netherlands
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Heijen, Netherlands
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is April (12.8 days).
Average snowfall in December
Heijen, Netherlands
- Average snowfall in December: 18mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Heijen, Netherlands
- Average snowfall days in December: 3.2 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
Heijen, Netherlands
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Heijen, Netherlands
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Heijen, Netherlands
- 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
Heijen, Netherlands
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Heijen, Netherlands
- 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).
Heijen, Netherlands
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