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March Weather in Brussels, United States

Last updated: June 24, 2025

In Brussels, United States, the average temperature in March hovers around 0°C (32°F). Expect a chill, with minimums dipping to -21°C (-5°F) and maximums reaching 13°C (56°F). This month also brings 58 mm (2.3 in) of precipitation spread over 8 days, contributing to a notably high average humidity of 87%. Prepare accordingly for a brisk and wet experience!

March Temperature in Brussels

In March in Brussels, the average temperature is 0°C (32°F), with maximums reaching 13°C (56°F) and minimums dipping as low as -21°C (-5°F). Travelers should be prepared for cold weather and varying temperatures, so dressing in layers is essential for comfort.

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

The chart illustrates March 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, March typically has an average temperature of 0°C (32°F), with highs reaching up to 13°C (56°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec222232405264717063513729
Data source: Temperature data for Brussels generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Brussels

In Brussels in March, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

March Precipitation Trends in Brussels

The chart displays monthly precipitation patterns in Brussels, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Brussels, March typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4250589295101909666995356
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Brussels

In Brussels in March, humidity is 87%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your skin, making travel uncomfortable and cold, as each breath brings a heavy moisture that seeps into your clothes.

March Average Humidity in Brussels

This chart illustrates the average monthly humidity levels in Brussels, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Brussels is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Brussels

In Brussels in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Brussels.

Maximum UV Index Levels in Brussels for March

The chart shows the monthly maximum UV Index (UVI) for Brussels in March, 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 March, the maximum UV index in Brussels typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Brussels March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)42 mm (1.6 inches)89%low
February Weather-5°C (22°F)50 mm (2.0 inches)90%moderate
March Weather0°C (32°F)58 mm (2.3 inches)87%moderate
April Weather5°C (41°F)92 mm (3.6 inches)84%high
May Weather11°C (53°F)95 mm (3.8 inches)77%very high
June Weather18°C (64°F)101 mm (4.0 inches)75%very high
July Weather22°C (72°F)90 mm (3.6 inches)74%very high
August Weather21°C (70°F)96 mm (3.8 inches)73%very high
September Weather17°C (63°F)66 mm (2.6 inches)78%high
October Weather11°C (51°F)99 mm (3.9 inches)84%moderate
November Weather3°C (37°F)53 mm (2.1 inches)89%moderate
December Weather-2°C (29°F)56 mm (2.2 inches)87%low

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