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
Heerjansdam experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from 9.5°C (49.1°F) in November to a still chilly 6.5°C (43.7°F). During the nights of December, Heerjansdam maintains an almost steady temperature with an average low of 3.3°C (37.9°F).Humidity
With an average relative humidity of 87%, December is the most humid month in Heerjansdam.Rainfall
In Heerjansdam, during December, the rain falls for 17.9 days and regularly aggregates up to 54mm (2.13") of precipitation. In Heerjansdam, Netherlands, during the entire year, the rain falls for 201.9 days and collects up to 550mm (21.65") of precipitation.Snowfall
Months with snowfall in Heerjansdam are January through March, November and December. In Heerjansdam, in December, snow falls for 2.2 days, with typically accumulated 18mm (0.71") of snow. Throughout the year, in Heerjansdam, there are 9.7 snowfall days, and 68mm (2.68") of snow is accumulated.Daylight
The month with the shortest days in Heerjansdam is December, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 08:27 and sunset at 16:34. On the last day of December, sunrise is at 08:48 and sunset at 16:40 CET.
Sunshine
December has the least sunshine of the year in Heerjansdam, with an average of 3.6h 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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is it in Heerjansdam in December?
What is the most humid month in Heerjansdam?
What is the average humidity in December in Heerjansdam?
How much does it rain in Heerjansdam in December?
How many days does it snow in December in Heerjansdam?
What is the month with the shortest days in Heerjansdam?
How many hours of daylight does Heerjansdam have in December?
What time are sunrise and sunset in December in Heerjansdam?
What is the month with the least sunshine in Heerjansdam?
How many hours of sunshine does Heerjansdam have in December?
What are the months with the lowest UV index in Heerjansdam?
What is the UV index intensity in December in Heerjansdam?
Average temperature in December
Heerjansdam, Netherlands
- Average high temperature in December: 6.5°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in December: 3.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in December
Heerjansdam, Netherlands
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in December
Heerjansdam, Netherlands
- Average wind speed in December: 18.1km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).
Average humidity in December
Heerjansdam, 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 (74%).
Average rainfall in December
Heerjansdam, Netherlands
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Heerjansdam, Netherlands
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (13.4 days).
Average snowfall in December
Heerjansdam, Netherlands
- Average snowfall in December: 18mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Heerjansdam, Netherlands
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.3 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
Heerjansdam, 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 4min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Heerjansdam, Netherlands
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (7.7 days).
Average UV index in December
Heerjansdam, 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
Heerjansdam, Netherlands
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in December
Heerjansdam, 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).
Heerjansdam, Netherlands
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