The highest day temperature in March 2025 was 68°F. The lowest night temperature was 29°F. The average values for day and night temperatures during March were 54.5°F и 40.2°F respectivly.

The average sea surface temperature in March 2025 for Brussel was 43.1°F. The maximum and minimum values were 40.6°F and 46.8°F respectively.

Most of the days in March are gloomy but you can also expect sunny days.

Precipitation total in March for Brussel is 1.7 in.

The average wind speed in March is 10.3 mph. It makes March one of the most windy months of the year for Brussel.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Brussel in March is 5.9 hours.