Brussels Weather

Brussels experiences an oceanic climate with warm summers and cool winters. Proximity to coastal areas influences the area’s climate by sending marine air masses from the Atlantic Ocean. Nearby wetlands also ensure a maritime temperate climate. On average (based on measurements in the period 1981–2010), there are approximately 135 days of rain per year in the Brussels-Capital Region. Snowfall is infrequent, averaging 24 days per year. The city also often experiences violent thunderstorms in summer months.

Average Temperature
Jan
41 °F
5 °C
Feb
51 °F
11 °C
Mar
52 °F
11 °C
Apr
58 °F
15 °C
May
59 °F
15 °C
Jun
72 °F
22 °C
Jul
72 °F
22 °C
Aug
73 °F
23 °C
Sep
66 °F
19 °C
Oct
57 °F
14 °C
Nov
46 °F
8 °C
Dec
45 °F
7 °C
Humidity
Jan
81%
Feb
77%
Mar
71%
Apr
67%
May
74%
Jun
71%
Jul
67%
Aug
69%
Sep
75%
Oct
80%
Nov
84%
Dec
83%
Rain
Jan
27mm
Feb
26mm
Mar
50mm
Apr
18mm
May
25mm
Jun
208mm
Jul
21mm
Aug
24mm
Sep
26mm
Oct
57mm
Nov
34mm
Dec
48mm
Clouds
Jan
90%
Feb
59%
Mar
80%
Apr
55%
May
65%
Jun
60%
Jul
56%
Aug
52%
Sep
61%
Oct
82%
Nov
82%
Dec
76%
Air quality US AQI
Jan
49
Feb
67
Mar
52
Apr
56
May
53
Jun
47
Jul
40
Aug
39
Sep
40
Oct
43
Nov
58
Dec
42
Sun
Jan
1UVI
Feb
2UVI
Mar
2UVI
Apr
4UVI
May
4UVI
Jun
6UVI
Jul
5UVI
Aug
5UVI
Sep
4UVI
Oct
2UVI
Nov
1UVI
Dec
1UVI