21.12
sun
sun
Day
52°F
NW 7 mph
Precip.
0%
0%
Night
43°F
W 8 mph
Precip.
0%
0%
22.12
mon
mon
Day
45°F
SW 4 mph
Precip.
0%
0%
Night
39°F
SW 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
41°F
SW 12 mph
Precip.
0%
0%
Night
37°F
SW 12 mph
Precip.
0%
0%
24.12
wed
wed
Day
36°F
SW 17 mph
Precip.
0%
0%
Night
27°F
SW 16 mph
Precip.
0%
0%
25.12
thu
thu
Day
30°F
SW 18 mph
Precip.
0%
0%
Night
25°F
SW 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
30°F
SW 9 mph
Precip.
0%
0%
Night
28°F
SW 9 mph
Precip.
0%
0%
27.12
sat
sat
Day
34°F
SW 7 mph
Precip.
0%
0%
Night
30°F
SW 7 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 46.6°F. The highest and lowest sea temperatures during the month were 47.5°F and 45.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 42.0°F. The highest and lowest sea temperatures during the month were 44.1°F and 40.6°F.
Air temperature in Brussel, °F
Precipitation total in Brussel, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Brussel
Brussel on a weather map
Places in Belgium:
Name
°F
24 Hours Forecast
Brussel
Local time: 23:50
December 22, monday
0000
43°F
W
8 mph
8 mph
0300
43°F
W
9 mph
9 mph
0600
41°F
W
6 mph
6 mph
0900
43°F
W
2 mph
2 mph
1200
45°F
SW
4 mph
4 mph
1500
46°F
SW
6 mph
6 mph
1800
41°F
SW
6 mph
6 mph
2100
39°F
SW
7 mph
7 mph
