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
With the advent of December, Wassenaar's high-temperatures adjust to a frosty 7.5°C (45.5°F), closely aligning with the preceding month. Wassenaar notes a steady average temperature of 4.9°C (40.8°F) during the nights of December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
In Wassenaar, during December, the rain falls for 18 days and regularly aggregates up to 42mm (1.65") of precipitation. In Wassenaar, during the entire year, the rain falls for 183.4 days and collects up to 400mm (15.75") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Wassenaar, in December, snow falls for 1.9 days, with typically accumulated 8mm (0.31") of snow. Throughout the year, in Wassenaar, there are 9.5 snowfall days, and 46mm (1.81") of snow is accumulated.Daylight
December has the shortest days of the year in Wassenaar, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 08:29 and sunset at 16:33. On the last day of December, sunrise is at 08:51 and sunset at 16:40 CET.
Sunshine
With an average of 3.5h 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 in Wassenaar, Netherlands. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts 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. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Wassenaar?
What is the most humid month in Wassenaar?
What is the average humidity in December in Wassenaar?
How many days does it rain in December in Wassenaar?
How much does it snow in Wassenaar in December?
What is the month with the shortest days in Wassenaar?
How many hours of daylight does Wassenaar have in December?
What time are sunrise and sunset in December in Wassenaar?
What is the month with the least sunshine in Wassenaar?
How long on average sun shines in December in Wassenaar?
What are the months with the lowest UV index in Wassenaar?
How high is the UV index in December in Wassenaar?
Average temperature in December
Wassenaar, Netherlands
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 4.9°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Wassenaar, Netherlands
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in December
Wassenaar, Netherlands
- Average wind speed in December: 24.7km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (16.1km/h).
Average humidity in December
Wassenaar, Netherlands
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in December
Wassenaar, Netherlands
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Wassenaar, Netherlands
- Average rainfall days in December: 18 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in December
Wassenaar, Netherlands
- Average snowfall in December: 8mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Wassenaar, Netherlands
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.8 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
Wassenaar, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Wassenaar, Netherlands
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in December
Wassenaar, 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
Wassenaar, Netherlands
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in December
Wassenaar, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
