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
As December begins, there is a minor decrease in the average high-temperature, softly falling from a chilly 9.5°C (49.1°F) in November to a still frosty 6.3°C (43.3°F). De Bilt, during December nights, observes a steady temperature, averaging at a wintry 2.9°C (37.2°F).Humidity
December is the most humid month in De Bilt, with an average relative humidity of 88%.Rainfall
In De Bilt, Netherlands, during December, the rain falls for 8.9 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 116.8 rainfall days, and 163mm (6.42") of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 1.6 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, there are 6.6 snowfall days, and 23mm (0.91") of snow is accumulated.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:26 and sunset at 16:30. On the last day of December, in De Bilt, sunrise is at 08:47 and sunset at 16:37 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index in De Bilt are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in De Bilt in December?
What is the most humid month in De Bilt?
What is the average humidity in December in De Bilt?
How many days does it rain in December in De Bilt?
When does it start snowing in De Bilt?
What is the month with the shortest days in De Bilt?
How many hours of daylight does De Bilt have in December?
When are sunrise and sunset in December in De Bilt?
What is the month with the least sunshine in De Bilt?
How many hours of sunshine does De Bilt have in December?
When is the lowest UV index in De Bilt?
What is the UV index reading in December in De Bilt?
Average temperature in December
De Bilt, Netherlands
- Average high temperature in December: 6.3°C
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in December: 2.9°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
De Bilt, Netherlands
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in December
De Bilt, 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
De Bilt, 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
De Bilt, Netherlands
- Average rainfall in December: 12mm
The wettest months (with the highest rainfall) are June and July (19mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in December
De Bilt, Netherlands
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is October (7.3 days).
Average snowfall in December
De Bilt, Netherlands
- Average snowfall in December: 4mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
De Bilt, Netherlands
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (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
De Bilt, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
De Bilt, Netherlands
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
De Bilt, 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
De Bilt, 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
De Bilt, 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).
