Brussels Weather in March
Belgium · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
March in Brussels sees average temperatures ranging from a low of 3.6°C (38.5°F) to a high of 11.3°C (52.3°F), with a mean of 7.3°C (45.1°F). Compared to the annual average of 11.5°C (52.7°F), this month is 4.2°C cooler than the yearly norm. Precipitation averages 70.6mm, making it approximately 3.0mm drier than the monthly average of 73.0mm. The city receives an average of 7.1 hours of sunshine per day during March, with relative humidity averaging 76.3%. Wind speeds reach an average maximum of 22.1 km/h. Snowfall averages 1.7cm during March, which can affect travel plans and outdoor activities. For travelers, this month offers a temperature experience in Brussels, with drier-than-average conditions compared to the rest of the year.
Brussels has an oceanic climate similar to London but with slightly warmer summers. I've studied the data and found that the city receives moderate rainfall year-round, with no distinct dry season. The best time for visiting is May to September, when temperatures are most pleasant and the city's outdoor cafés and markets are at their best.
March vs Adjacent Months
| Metric | February | March | April |
|---|---|---|---|
| Mean Temp | 6.3°C (43.3°F) | 7.3°C (45.1°F) | 9.4°C (48.9°F) |
| Rainfall | 79.2mm | 70.6mm | 51.5mm |
| Sunshine | 4.9 hrs | 7.1 hrs | 9.5 hrs |
| Humidity | 81.5% | 76.3% | 70.8% |
| Wind | 27.2 km/h | 22.1 km/h | 20.7 km/h |
| Rainy Days | 19.0 | 18.2 | 15.6 |
| Snowfall | 2.1 cm | 1.7 cm | 1.9 cm |
Seasonal Context
March falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Brussels in March, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Brussels in March?
The average temperature in Brussels during March ranges from 3.6°C (38.5°F) to 11.3°C (52.3°F), with a mean of 7.3°C (45.1°F).
How much does it rain in Brussels in March?
Brussels receives an average of 70.6mm of precipitation in March, spread across approximately 18.2 rainy days.
What should I pack for Brussels in March?
Based on March weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is March a good time to visit Brussels?
March is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Brussels
Cities with Similar March Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 50.85°, 4.35°. Timezone: Europe/Brussels. Last updated: 2026-07-30.