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 is marked by a minor decrease in temperature, transitioning from 9.6°C (49.3°F) in November to a still frosty 6°C (42.8°F). During the month of December, Hei's average nighttime temperature closely mirrors its daytime counterpart, at a wintry 2.5°C (36.5°F).Humidity
December is the most humid month in Hei, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall in Hei, Netherlands. Rain falls for 12.1 days and accumulates 25mm (0.98") of precipitation.Snowfall
Months with snowfall in Hei are January through March, November and December. In Hei, during December, snow falls for 3.2 days and regularly aggregates up to 18mm (0.71") of snow. In Hei, during the entire year, snow falls for 12.8 days and aggregates up to 61mm (2.4") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 08:18 and sunset at 16:31. On the last day of December, sunrise is at 08:40 and sunset at 16:37 CET.
Sunshine
With an average of 3.6h of sunshine, December has the least sunshine of the year.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
Is December cold in Hei?
What is the most humid month in Hei?
What is the average humidity in December in Hei?
What is the rainiest month in Hei?
How much does it rain in Hei in December?
How many days does it snow in December in Hei?
What is the month with the shortest days in Hei?
What is the average length of the day in December in Hei?
When is the sunrise / sunset in December in Hei?
What is the month with the least sunshine in Hei?
How long on average sun shines in December in Hei?
When is the lowest UV index in Hei?
How high is the UV index in December in Hei?
Average temperature in December
Hei, Netherlands
- Average high temperature in December: 6°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Hei, Netherlands
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in December
Hei, Netherlands
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Hei, Netherlands
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Hei, Netherlands
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is December (25mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Hei, Netherlands
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in December
Hei, Netherlands
- Average snowfall in December: 18mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hei, Netherlands
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (4.2 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
Hei, Netherlands
- 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 months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Hei, Netherlands
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is April (17.2 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in December
Hei, 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
Hei, Netherlands
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Hei, 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).
Hei, Netherlands
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