Current sea water temperature:
+46.9°F
| Minimum sea water temperature in December: | 49.6°F |
| Maximum sea water temperature in December: | 43.0°F |
| Average sea water temperature in December: | 45.4°F |
| more information | |
14 days
forecast
forecast
| Brussel |
monthly
weather
weather
| Brussel |
Sea water temperature for the last 10 days:
| December 14 | 46.9°F | December 9 | 46.4°F |
| December 13 | 47.5°F | December 8 | 46.4°F |
| December 12 | 47.1°F | December 7 | 46.2°F |
| December 11 | 46.4°F | December 6 | 45.7°F |
| December 10 | 46.0°F | December 5 | 46.2°F |
Monthly sea water temperature, °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.
current
weather
weather
| Brussel |
weather in
December
December
| Brussel |
Best time for vacation in Brussel
Brussel on a weather map
Places in Belgium:
Name
°F
24 Hours Forecast
Brussel
Local time: 07:48
December 15, monday
0900
43°F
N
14 mph
14 mph
1200
48°F
N
15 mph
15 mph
1500
50°F
N
14 mph
14 mph
1800
48°F
N
13 mph
13 mph
2100
48°F
N
11 mph
11 mph
December 16, tuesday
0000
46°F
N
11 mph
11 mph
0300
48°F
N
12 mph
12 mph
0600
48°F
N
11 mph
11 mph
