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
During the shift to December, Rotselaar records a mild decrease in average high-temperature, moving from 9.6°C (49.3°F) in November to a still chilly 6.3°C (43.3°F). Rotselaar observes a consistent average low-temperature of 2.4°C (36.3°F) throughout December nights.Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall in Rotselaar, Belgium. Rain falls for 18.5 days and accumulates 57mm (2.24") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 2.6 days. Throughout December, 22mm (0.87") of snow is accumulated. In Rotselaar, during the entire year, snow falls for 14.4 days and aggregates up to 108mm (4.25") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 0min of daylight.On the first day of December in Rotselaar, sunrise is at 08:22 and sunset at 16:38. On the last day of the month, sunrise is at 08:43 and sunset at 16:44 CET.
Sunshine
With an average of 3.8h of sunshine, December has the least sunshine of the year.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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the most humid month in Rotselaar?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rotselaar have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Rotselaar have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rotselaar, Belgium
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Rotselaar, Belgium
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Rotselaar, Belgium
- 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 (11.7km/h).
Average humidity in December
Rotselaar, Belgium
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Rotselaar, Belgium
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Rotselaar, Belgium
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in December
Rotselaar, Belgium
- Average snowfall in December: 22mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rotselaar, Belgium
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (5 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
Rotselaar, Belgium
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Rotselaar, Belgium
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Rotselaar, 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, November and December (UV index 2).
Average cloud cover in December
Rotselaar, Belgium
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Rotselaar, Belgium
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
