January Weather in Belgium, United States

Last updated: June 24, 2025

In January, the average temperature in Belgium, United States hovers around -4°C (26°F). However, temperatures can fluctuate significantly, with a minimum of -25°C (-13°F) and a maximum reaching 8°C (46°F). During this chilly month, expect precipitation of approximately 61 mm (2.4 in) over about 8 days, coupled with a high average humidity of 85%. Stay cozy!

January Temperature in Belgium

In January in Belgium, the average temperature is -4°C (26°F). The maximum can reach 8°C (46°F), while the minimum can dip as low as -25°C (-13°F). Be prepared for a wide range of temperatures when traveling during this time.

January Weather in Belgium: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Belgium, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belgium, January typically has an average temperature of -4°C (26°F), with highs reaching up to 8°C (46°F) and lows dropping to around -25°C (-13°F).

Data source: Temperature data for Belgium generated using information from the Copernicus Climate Change Service.

January Precipitation in Belgium

In Belgium in January, the precipitation amount is 61 mm (2.4 in) distributed over 8 days.

January Precipitation Trends in Belgium

The chart displays monthly precipitation patterns in Belgium, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Belgium, January typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Belgium

In Belgium in January humidity is 85%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps through your layers, making travel uncomfortable and urging you to seek warmth quickly.

January Average Humidity in Belgium

This chart illustrates the average monthly humidity levels in Belgium, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Belgium is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Belgium

In Belgium in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Belgium, you can visit Hourly UV Index in Belgium.

Maximum UV Index Levels in Belgium for January

The chart shows the monthly maximum UV Index (UVI) for Belgium in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Belgium typically reaches 2, which falls under the low exposure category.

Data source: Belgium January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Belgium Compares to Other Months

Weather in Belgium varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Belgium, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Belgium, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	61 mm (2.4 inches)	85%	low
February Weather	-4°C (26°F)	60 mm (2.4 inches)	85%	moderate
March Weather	1°C (33°F)	69 mm (2.7 inches)	85%	moderate
April Weather	4°C (39°F)	107 mm (4.2 inches)	85%	very high
May Weather	8°C (47°F)	126 mm (5.0 inches)	78%	very high
June Weather	14°C (58°F)	96 mm (3.8 inches)	80%	very high
July Weather	20°C (68°F)	80 mm (3.1 inches)	78%	very high
August Weather	21°C (70°F)	69 mm (2.7 inches)	76%	very high
September Weather	18°C (65°F)	93 mm (3.7 inches)	79%	high
October Weather	12°C (53°F)	126 mm (5.0 inches)	83%	moderate
November Weather	4°C (39°F)	58 mm (2.3 inches)	88%	moderate
December Weather	0°C (33°F)	59 mm (2.3 inches)	81%	low