January weather forecast
Grimbergen, Belgium

January

Weather in January

January, the same as December, is an icy winter month in Grimbergen, Belgium, with an average temperature ranging between max 5.1°C (41.2°F) and min 1.1°C (34°F).

Temperature

Grimbergen reaches its lowest average temperatures in January, measuring 5.1°C (41.2°F) at the peak and 1.1°C (34°F) at the lowest.

Humidity

The average relative humidity in January is 87%.

Rainfall

In Grimbergen, Belgium, in January, it is raining for 16.8 days, with typically 43mm (1.69") of accumulated precipitation. In Grimbergen, during the entire year, the rain falls for 199.3 days and collects up to 541mm (21.3") of precipitation.

Snowfall

Months with snowfall in Grimbergen are January through March, November and December. In Grimbergen, during January, snow falls for 4.8 days and regularly aggregates up to 35mm (1.38") of snow. Throughout the year, there are 16.4 snowfall days, and 133mm (5.24") of snow is accumulated.

Daylight

The average length of the day in January in Grimbergen is 8h and 32min.
On the first day of January in Grimbergen, sunrise is at 08:45 and sunset at 16:46. On the last day of the month, sunrise is at 08:20 and sunset at 17:30 CET.

Sunshine

In January, the average sunshine is 3.9h.

UV index

The months with the lowest UV index in Grimbergen are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 2 in January transforms into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What part of the year is the coldest in Grimbergen?
In Grimbergen, January is the coldest month, with temperatures averaging a high of 5.1°C (41.2°F) and a low of 1.1°C (34°F).
How cold does it get in Grimbergen in January?
In January, in Grimbergen, the average high-temperature is 5.1°C (41.2°F), and the average low-temperature is 1.1°C (34°F).
What is the average humidity in January in Grimbergen?
In Grimbergen, Belgium, the average relative humidity in January is 87%.
How much does it rain in Grimbergen in January?
In January, the rain falls for 16.8 days. Throughout January, 43mm (1.69") of precipitation is accumulated.
How much does it snow in Grimbergen in January?
In Grimbergen, in January, during 4.8 snowfall days, 35mm (1.38") of snow is typically accumulated.
What is the average length of the day in January in Grimbergen?
In Grimbergen, the average day length in January is 8h and 32min.
What time are sunrise and sunset in January in Grimbergen?
In January, on the first day of the month, sunrise is at 08:45 and sunset at 16:46. On the last day of the month, sunrise is at 08:20 and sunset at 17:30 CET.
How many hours of sunshine does Grimbergen have in January?
In Grimbergen, the average sunshine duration in January is 3.9h.
What are the months with the lowest UV index in Grimbergen?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grimbergen.
What is the UV index intensity in January in Grimbergen?
The average daily maximum UV index in January in Grimbergen is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Grimbergen, Belgium
  • Average high temperature in January: 5.1°C

The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (5.1°C).

  • Average low temperature in January: 1.1°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in January
Grimbergen, Belgium
  • Average pressure in January: 1016.1mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).

Average wind speed in January
Grimbergen, Belgium
  • Average wind speed in January: 17.1km/h

The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).

Average humidity in January
Grimbergen, Belgium
  • Average humidity in January: 87%

The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).

Average rainfall in January
Grimbergen, Belgium
  • Average rainfall in January: 43mm

The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in January
Grimbergen, Belgium
  • Average rainfall days in January: 16.8 days

The months with the highest number of rainy days are May and July (18.8 days).
The month with the least rainy days is February (13.7 days).

Average snowfall in January
Grimbergen, Belgium
  • Average snowfall in January: 35mm

The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in January
Grimbergen, Belgium
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Grimbergen, Belgium
  • Average daylight in January: 8h and 3min

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 January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in January
Grimbergen, Belgium
  • Average sunshine days in January: 9.3 days

The month with the most sunshine days is March (12.5 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in January
Grimbergen, Belgium
  • Average UV index in January: 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 January
Grimbergen, Belgium
  • Average cloud cover in January: 62

The months with the most cloud cover are January and December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).

Average visibility in January
Grimbergen, Belgium
  • Average visibility in January: 8km

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).

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