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 arrival of December is marked by a minor reduction in average high-temperature, sliding from 9.5°C (49.1°F) in November to a still chilly 6°C (42.8°F). Rumsdorp experiences a subtle drop in temperature during the December nights, recording an average of 2.2°C (36°F).Humidity
December is the most humid month, with an average relative humidity of 88%.Rainfall
The month with the most rainfall in Rumsdorp is December, when the rain falls for 16.5 days and typically aggregates up to 51mm (2.01") of precipitation.Snowfall
January through March, November and December are months with snowfall in Rumsdorp. In Rumsdorp, during December, snow falls for 2.6 days and regularly aggregates up to 28mm (1.1") of snow. In Rumsdorp, during the entire year, snow falls for 13 days and aggregates up to 99mm (3.9") of snow.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year in Rumsdorp, Belgium.On the first day of the month, sunrise is at 08:20 and sunset at 16:37. On the last day of December, sunrise is at 08:41 and sunset at 16:44 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
Is December cold in Rumsdorp?
What is the most humid month in Rumsdorp?
What is the average humidity in December in Rumsdorp?
What is the wettest month in Rumsdorp?
How many days does it rain in December in Rumsdorp?
How many days does it snow in December in Rumsdorp?
What is the month with the shortest days in Rumsdorp?
How many hours of daylight does Rumsdorp have in December?
When is the sunrise / sunset in December in Rumsdorp?
What are the months with the least sunshine in Rumsdorp?
How long on average sun shines in December in Rumsdorp?
What are the months with the lowest UV index in Rumsdorp?
How high is the UV index in December in Rumsdorp?
Average temperature in December
Rumsdorp, Belgium
- Average high temperature in December: 6°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).
Average pressure in December
Rumsdorp, Belgium
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in December
Rumsdorp, Belgium
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Rumsdorp, Belgium
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in December
Rumsdorp, Belgium
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Rumsdorp, Belgium
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are February and September (12.5 days).
Average snowfall in December
Rumsdorp, Belgium
- Average snowfall in December: 28mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rumsdorp, Belgium
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (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
Rumsdorp, Belgium
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Rumsdorp, Belgium
- Average sunshine days in December: 11 days
The months with the most sunshine days are September and October (15.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in December
Rumsdorp, Belgium
- 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, March, November and December (UV index 2).
Average cloud cover in December
Rumsdorp, Belgium
- Average cloud cover in December: 61
The month with the most cloud cover is December (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in December
Rumsdorp, Belgium
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
Rumsdorp, Belgium
Weather forecast for your location
2. Allow the app to use your location
