Measurements:
°C
°F
Brussel
34°F
E 9 mph
Feels like: 28°F
Precip: 0%
World Resorts Belgium Brussel Weather

Brussel Sea Water Temperature

Current Sea Water Temperature:
+40.8°F
Maximum Sea Water Temperature in February: 45.8°F
Minimum Sea Water Temperature in February: 36.2°F
Average water temperature in February: 40.8°F

Sea Water Temperature for the Last 10 Days:

February 17 40.8°F February 12 41.0°F
February 16 40.8°F February 11 40.8°F
February 15 41.2°F February 10 40.6°F
February 14 41.6°F February 09 39.8°F
February 13 41.6°F February 08 39.6°F

When is the Warmest Sea for Brussel?

According to our data for the last three years for Brussel the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Brussel was 71.3°F. The maximum and minimum values were 70.2°F and 72.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Brussel was 71.4°F. The maximum and minimum values were 69.0°F and 72.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Brussel was 66.7°F. The maximum and minimum values were 62.4°F and 70.4°F respectively.

Best Time to Visit Brussel
The most sunny months:
September 11 days
March 10 days
April 10 days
The most warm months:
August 75.8 °F
July 75.0 °F
June 72.0 °F
Warmest sea temperature:
August 70.2 °F
July 68.8 °F
September 66.7 °F
The most cold months:
January 40.8 °F
February 43.8 °F
December 43.8 °F
The most rainy months:
December 5 days
June 5 days
May 5 days
The most windy months:
December 12 mph
February 11 mph
January 11 mph

Brussel on the Weather Map

Belgium Resorts:
NAME
Antwerpen +36
Brugge +38
Brussel +34
Charleroi +32
Gent +36
Kortrijk +36
Liege +32
Namur +30
Oostende +40
24 Hours Weather Forecast
Brussel
Local time: 22:22
18 feb, wednesday
0000 32°F
NE
7 mph
0300 32°F
NE
4 mph
0600 32°F
NW
5 mph
0900 32°F
NW
9 mph
1200 38°F
W
14 mph
1500 40°F
W
14 mph
1800 38°F
NW
16 mph
2100 38°F
NW
14 mph