World Resorts Belgium Brussel Weather

Brussel sea water temperature

Current sea water temperature:
+68.7°F
Minimum sea water temperature in June: 70.2°F
Maximum sea water temperature in June: 54.1°F
Average sea water temperature in June: 62.1°F

Sea water temperature for the last 10 days:

June 26 68.7°F June 21 64.9°F
June 25 68.7°F June 20 64.2°F
June 24 69.3°F June 19 63.1°F
June 23 67.3°F June 18 62.6°F
June 22 66.0°F June 17 63.7°F

When is the warmest sea in Brussel?

Based on the data about daily sea water temperature for the last three years the warmest sea in Brussel was noticed in August, July and September.

Monthly Sea Temperatures in Brussel, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 69.2°F. The highest and lowest sea temperatures during the month were 70.5°F and 68.2°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 70.3°F and 67.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 68.4°F and 61.2°F.

Best time for vacation in Brussel

Sunniest months:
September 11 days
March 10 days
April 10 days
Warmest months:
August 73.2 °F
July 72.5 °F
June 69.9 °F
Warmest sea temp:
August 68.1 °F
July 66.9 °F
September 65.0 °F
Coldest months:
January 41.7 °F
December 44.4 °F
February 44.6 °F
Rainiest months:
December 5 days
July 4 days
May 4 days
Windiest months:
December 11.9 mph
February 11.8 mph
January 11.3 mph

Brussel on a weather map

Brussel
+70°F
E 4 mph
Feels like: +70°F
Precip.: 9%
Places in Belgium:
Name
°F
+70°F
+66°F
+70°F
+72°F
+70°F
+66°F
+66°F
+66°F
+66°F
24 Hours Forecast
Brussel
Local time: 02:57
June 27, saturday
0300
70°F
E
4 mph
0600
68°F
S
2 mph
0900
75°F
NE
4 mph
1200
86°F
NW
4 mph
1500
91°F
S
2 mph
1800
88°F
S
6 mph
2100
82°F
S
9 mph
June 28, sunday
0000
73°F
E
2 mph
Units of measurement: °C / °F