January Weather in Brussels, Canada

Last updated: June 18, 2025

In January, the average temperature in Brussels, Canada hovers around -5°C (23°F), with extremes ranging from a chilly -25°C (-13°F) to a mild 12°C (53°F). This month sees about 77 mm (3.0 in) of precipitation spread over 14 days, contributing to a notably high average humidity of 90%. Prepare for a brisk and damp atmosphere!

January Temperature in Brussels

In January in Brussels, the average temperature is -5°C (23°F). The maximum can reach 12°C (53°F) and the minimum can be as low as -25°C (-13°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

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

The chart illustrates January temperature patterns in Brussels, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brussels, January typically has an average temperature of -5°C (23°F), with highs reaching up to 12°C (53°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Brussels

In Brussels in January, the precipitation amount is 77 mm (3.0 in) over the course of 14 days.

January Precipitation Trends in Brussels

The chart displays monthly precipitation patterns in Brussels, 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 Brussels, January typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 14 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 Brussels

In Brussels in January, humidity is 90%. With an average temperature of -5°C (23°F), this humidity feels like walking through an icy mist, making it challenging to stay warm while traveling as your clothes cling to your skin, and every breath feels damp and heavy in the frigid air.

January Average Humidity in Brussels

This chart illustrates the average monthly humidity levels in Brussels, 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 Brussels is approximately 90%, 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 Brussels

In Brussels 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 Brussels, you can visit Hourly UV Index in Brussels.

Maximum UV Index Levels in Brussels for January

The chart shows the monthly maximum UV Index (UVI) for Brussels 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 Brussels typically reaches 2, which falls under the low exposure category.

Data source: Brussels 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 Brussels Compares to Other Months

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

This table compares monthly weather conditions in Brussels, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	77 mm (3.0 inches)	90%	low
February Weather	-5°C (24°F)	87 mm (3.4 inches)	90%	moderate
March Weather	0°C (32°F)	74 mm (2.9 inches)	87%	moderate
April Weather	5°C (42°F)	105 mm (4.1 inches)	87%	very high
May Weather	13°C (55°F)	102 mm (4.0 inches)	82%	very high
June Weather	18°C (65°F)	98 mm (3.9 inches)	81%	very high
July Weather	21°C (70°F)	86 mm (3.4 inches)	79%	very high
August Weather	20°C (68°F)	126 mm (4.9 inches)	80%	very high
September Weather	16°C (61°F)	98 mm (3.9 inches)	81%	high
October Weather	10°C (50°F)	123 mm (4.8 inches)	84%	moderate
November Weather	2°C (36°F)	103 mm (4.1 inches)	88%	moderate
December Weather	-2°C (30°F)	83 mm (3.3 inches)	87%	low