17.05
sun
sun
Day

57°F
NE 16 mph
Precip.
100%
100%
Night

50°F
N 7 mph
Precip.
100%
100%
18.05
mon
mon
Day

57°F
NE 12 mph
Precip.
100%
100%
Night

45°F
N 7 mph
Precip.
0%
0%
19.05
tue
tue
Day

50°F
N 13 mph
Precip.
100%
100%
Night

52°F
NE 11 mph
Precip.
0%
0%
20.05
wed
wed
Day

63°F
NE 15 mph
Precip.
73%
73%
Night

54°F
NE 7 mph
Precip.
0%
0%
21.05
thu
thu
Day

68°F
NE 7 mph
Precip.
0%
0%
Night

59°F
NW 4 mph
Precip.
0%
0%
22.05
fri
fri
Day

73°F
NW 6 mph
Precip.
0%
0%
Night

64°F
NW 2 mph
Precip.
0%
0%
23.05
sat
sat
Day

77°F
W 3 mph
Precip.
0%
0%
Night

66°F
SW 7 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 55.7°F. The highest and lowest sea temperatures during the month were 57.4°F and 52.9°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: 17:19
May 17, sunday
1800

52°F
N
9 mph
9 mph
2100

52°F
N
8 mph
8 mph
May 18, monday
0000

50°F
N
7 mph
7 mph
0300

48°F
NE
6 mph
6 mph
0600

46°F
NE
7 mph
7 mph
0900

50°F
NE
9 mph
9 mph
1200

57°F
NE
12 mph
12 mph
1500

54°F
NE
12 mph
12 mph


























