Brussels, Belgium skyline

Brussels Weather in March

Typical March weather in Brussels, Belgium, based on 2006–2025 climate averages.

In March, Brussels averages a high of 10.7°C (51.3°F) and a low of 3°C (37.4°F), with about 12 rainy days (60 mm of rain) and 7.4 hours of sunshine a day.

Avg high

10.7°C (51.3°F)

Avg low

3°C (37.4°F)

Rainfall

60 mm (2.4 in)

Rainy days

12 days

Sunshine

7.4 h / day

Humidity

77%

March vs the rest of the year

Here is how every month in Brussels stacks up against March — the 3rd driest month for rain.

MonthAvg highvs MarchRainRainy days
January6°C (42.8°F)−4.7°C (−8.5°F)70 mm13
February7.6°C (45.7°F)−3.1°C (−5.6°F)62 mm12
March10.7°C (51.3°F)—60 mm12
April14.7°C (58.5°F)+4°C (+7.2°F)41 mm10
May18.1°C (64.6°F)+7.4°C (+13.3°F)65 mm12
June21.4°C (70.5°F)+10.7°C (+19.3°F)70 mm11
July22.9°C (73.2°F)+12.2°C (+22°F)72 mm12
August22.6°C (72.7°F)+11.9°C (+21.4°F)69 mm12
September19.7°C (67.5°F)+9°C (+16.2°F)53 mm10
October15.4°C (59.7°F)+4.7°C (+8.5°F)70 mm12
November10.3°C (50.5°F)−0.4°C (−0.7°F)67 mm13
December7.1°C (44.8°F)−3.6°C (−6.5°F)74 mm13

What March feels like in Brussels

March is early spring in Brussels. The daytime air has a chill to it, though it is rarely bitter. Little changes after sunset — nights are cold, only slightly below the daytime level. Damp air makes the cold feel rawer than the numbers alone suggest.

Rain in Brussels in March

It is a changeable month: rain comes about one day in 3, with dry spells in between. Each rainy day adds about 5 mm (0.2 in), a proper wetting rather than a sprinkle. Across the year Brussels averages about 5.4 mm per rainy day, so March is typical. It is among the three driest months of the year.

Daylight and sunshine in March

Mid-month, Brussels gets 11 h 47 min of daylight, from sunrise near 6:59 am to sunset near 6:46 pm. The days are stretching out — 1 h 47 min more daylight than mid-February. About 63% of daylight hours are sunny; in short, there are plenty of bright spells.

How March compares to the rest of the year

In Brussels's temperature order, March sits as the 5th coolest month. Compared with February, afternoons are 3.1°C (5.6°F) warmer, with 1 mm less rain. Temperatures keep climbing into April. By April, typical highs are 14.7°C (58.5°F).

Who March suits

  • Sightseeing: a good fit — comfortable enough to explore on foot all day.
  • Parks & outdoor: less ideal — too cool to sit outside for long.

Tips for visiting Brussels in March

Rain Protection

A compact umbrella and a light waterproof jacket.

Warm Layers

A warm jacket, a hat and gloves for cold mornings and evenings.

Sunglasses

Bright days make sunglasses worth packing.

Quick questions

How warm is Brussels in March?

Afternoons average 10.7°C (51.3°F) and nights about 3°C (37.4°F) — chilly by most people's standards. It is the 5th coolest month of the year.

Does it rain a lot in Brussels in March?

Quite a lot — 60 mm spread over about 12 days.

What should I wear in Brussels in March?

Pack rain protection, warm layers and sunglasses. There is little need to change for the evening.

Is March or April better for visiting Brussels?

April, clearly: it ranks #2 of 12 among Brussels's months, against #8 for the other. April is warmer and has fewer rainy days.

Is March a good time to visit Brussels?

Fair

Fair — chilly days, frequent rain (about 12 rainy days). Within Brussels's own year, March ranks #8 of 12.

March in other Belgium cities

Warmer or drier places in March

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Brussels weather by month.