World Resorts Belgium Brussel Weather

Brussel Sea Temperature in December

Average sea water temperature in December:
+45.4°F
Minimum sea water temperature in December: 49.6°F
Maximum sea water temperature in December: 43.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.7°F. The highest and lowest sea temperatures during the month were 47.5°F and 45.7°F.

Monthly sea water temperature in Brussel, °F

Which Belgium resorts have warmest sea in December?

Place name December 2025 December 2024
Oostende 48.0°F 46.7°F
Kortrijk 48.0°F 46.8°F
Brussel 46.7°F 45.6°F
Gent 46.5°F 45.4°F
Antwerpen 46.5°F 45.2°F
Brugge 46.4°F 45.8°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 69.8 °F
Warmest sea temp:
August 68.1 °F
July 66.9 °F
September 65.0 °F
Coldest months:
January 41.8 °F
December 44.3 °F
February 44.4 °F
Rainiest months:
December 5 days
June 5 days
May 5 days
Windiest months:
December 11.9 mph
February 11.8 mph
January 11.4 mph

Brussel on a weather map

Current weather
21:20
Brussel
+46°F
NE 4 mph
Feels like: +45°F
Precip.: 0%
Places in Belgium:
Name
°F
Antwerpen
+46°F
Brugge
+48°F
Brussel
+46°F
Gent
+46°F
Kortrijk
+48°F
Liege
+45°F
Namur
+46°F
Oostende
+50°F
Charleroi
+46°F
24 Hours Forecast
Brussel
Local time: 21:20
December 17, wednesday
0000
46°F
N
6 mph
0300
46°F
NE
6 mph
0600
45°F
NE
6 mph
0900
46°F
NE
6 mph
1200
48°F
E
5 mph
1500
48°F
E
2 mph
1800
46°F
N
4 mph
2100
46°F
N
6 mph
Units of measurement: °C / °F