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
The transition into December subtly indicates a reduction in the average high-temperature, down to a still chilly 6.3°C (43.3°F) from November's frosty 9.5°C (49.1°F). Harmelen, during December nights, records a temperature marginally cooler than the daytime average, at a wintry 3°C (37.4°F).Humidity
December is the most humid month, with an average relative humidity of 88%.Rainfall
In Harmelen, in December, during 12.6 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 157.6 rainfall days, and 301mm (11.85") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Harmelen, during December, snow falls for 2.2 days and regularly aggregates up to 10mm (0.39") of snow. In Harmelen, during the entire year, snow falls for 7.4 days and aggregates up to 46mm (1.81") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Harmelen, Netherlands.On the first day of the month, sunrise is at 08:26 and sunset at 16:31. On the last day of December, sunrise is at 08:48 and sunset at 16:38 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.4h of sunshine.UV index
The months with the lowest UV index in Harmelen 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 health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Harmelen?
What is the most humid month in Harmelen?
What is the average humidity in December in Harmelen?
How many days does it rain in December in Harmelen?
How much does it snow in Harmelen in December?
What is the month with the shortest days in Harmelen?
How many hours of daylight does Harmelen have in December?
When is the sunrise / sunset in December in Harmelen?
What is the month with the least sunshine in Harmelen?
How many hours of sunshine does Harmelen have in December?
What is the month with the lowest UV index in Harmelen?
How high is the UV index in December in Harmelen?
Average temperature in December
Harmelen, Netherlands
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in December
Harmelen, Netherlands
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in December
Harmelen, Netherlands
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in December
Harmelen, 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 (75%).
Average rainfall in December
Harmelen, Netherlands
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Harmelen, Netherlands
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (10.4 days).
Average snowfall in December
Harmelen, Netherlands
- Average snowfall in December: 10mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Harmelen, Netherlands
- Average snowfall days in December: 2.2 days
The months with the highest number of snowfall days are February and December (2.2 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
Harmelen, Netherlands
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Harmelen, Netherlands
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Harmelen, 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
Harmelen, Netherlands
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in December
Harmelen, 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).
