Brussels climate guide

Temperature in Brussels (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
5°C maximum daytime temperature in January in Brussels5
6°C maximum daytime temperature in February in Brussels6
10°C maximum daytime temperature in March in Brussels10
14°C maximum daytime temperature in April in Brussels14
18°C maximum daytime temperature in May in Brussels18
21°C maximum daytime temperature in June in Brussels21
23°C maximum daytime temperature in July in Brussels23
23°C maximum daytime temperature in August in Brussels23
20°C maximum daytime temperature in September in Brussels20
15°C maximum daytime temperature in October in Brussels15
9°C maximum daytime temperature in November in Brussels9
6°C maximum daytime temperature in December in Brussels6
Min temperature (night-time)
0°C minimum night-time temperature in January in Brussels0
0°C minimum night-time temperature in February in Brussels0
2°C minimum night-time temperature in March in Brussels2
4°C minimum night-time temperature in April in Brussels4
8°C minimum night-time temperature in May in Brussels8
11°C minimum night-time temperature in June in Brussels11
13°C minimum night-time temperature in July in Brussels13
13°C minimum night-time temperature in August in Brussels13
11°C minimum night-time temperature in September in Brussels11
7°C minimum night-time temperature in October in Brussels7
4°C minimum night-time temperature in November in Brussels4
1°C minimum night-time temperature in December in Brussels1

Sunshine & Daylight in Brussels

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Brussels9
10 hours of daylight per day in February in Brussels10
12 hours of daylight per day in March in Brussels12
14 hours of daylight per day in April in Brussels14
16 hours of daylight per day in May in Brussels16
16 hours of daylight per day in June in Brussels16
16 hours of daylight per day in July in Brussels16
14 hours of daylight per day in August in Brussels14
13 hours of daylight per day in September in Brussels13
11 hours of daylight per day in October in Brussels11
9 hours of daylight per day in November in Brussels9
8 hours of daylight per day in December in Brussels8

Rainfall in Brussels

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
18 days with some rainfall in January in Brussels18
15 days with some rainfall in February in Brussels15
16 days with some rainfall in March in Brussels16
15 days with some rainfall in April in Brussels15
15 days with some rainfall in May in Brussels15
14 days with some rainfall in June in Brussels14
16 days with some rainfall in July in Brussels16
16 days with some rainfall in August in Brussels16
16 days with some rainfall in September in Brussels16
19 days with some rainfall in October in Brussels19
19 days with some rainfall in November in Brussels19
18 days with some rainfall in December in Brussels18
Average monthly rainfall (mm)
66 mm monthly rainfall in January in Brussels66
52 mm monthly rainfall in February in Brussels52
70 mm monthly rainfall in March in Brussels70
55 mm monthly rainfall in April in Brussels55
69 mm monthly rainfall in May in Brussels69
77 mm monthly rainfall in June in Brussels77
75 mm monthly rainfall in July in Brussels75
63 mm monthly rainfall in August in Brussels63
60 mm monthly rainfall in September in Brussels60
72 mm monthly rainfall in October in Brussels72
79 mm monthly rainfall in November in Brussels79
75 mm monthly rainfall in December in Brussels75

More climate for Brussels

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Brussels1
UV (maximum) index 1 (Low) in February in Brussels1
UV (maximum) index 3 (Moderate) in March in Brussels3
UV (maximum) index 4 (Moderate) in April in Brussels4
UV (maximum) index 6 (High) in May in Brussels6
UV (maximum) index 7 (High) in June in Brussels7
UV (maximum) index 6 (High) in July in Brussels6
UV (maximum) index 6 (High) in August in Brussels6
UV (maximum) index 4 (Moderate) in September in Brussels4
UV (maximum) index 2 (Low) in October in Brussels2
UV (maximum) index 1 (Low) in November in Brussels1
UV (maximum) index 1 (Low) in December in Brussels1
Heat & Humidity
No heat & humidity in January in Brussels0
No heat & humidity in February in Brussels0
No heat & humidity in March in Brussels0
No heat & humidity in April in Brussels0
No heat & humidity in May in Brussels0
No heat & humidity in June in Brussels0
No heat & humidity in July in Brussels0
No heat & humidity in August in Brussels0
No heat & humidity in September in Brussels0
No heat & humidity in October in Brussels0
No heat & humidity in November in Brussels0
No heat & humidity in December in Brussels0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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The climate guide for Brussels, Belgium shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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