Weather in Brussels in May

General weather information about Brussels

Average annual temperature is 8.7 °C

Absolute maximum temperature: 30.1 °C

Absolute minimum temperature: -21.8 °C

Number of sunny days: 134 days

Number of rainy days: 183 days

Number of snow days: 48 days

Look at detailed online map of Brussels

* Weather data for Brussels Canada is based on climate observations for 2026 year

Brussels air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	5.3	10.1	10.6	25.5	29.4	30.1	29.5	26.2	29.7	26.5	13.3	13.1
Average daytime temperature (°C)	0.9	2.0	3.7	13.2	18.8	23.2	24.9	22.8	21.5	14.5	6.0	4.8
Average temperature (°C)	-1.6	-2.8	-0.7	7.3	12.3	17.9	20.2	18.1	16.6	10.9	2.8	2.0
Average night temperature (°C)	-3.8	-6.4	-4.7	2.5	6.3	12.8	16.1	14.2	12.7	8.2	-0.3	0.1
Absolute minimum temperature (°C)	-13.0	-21.8	-14.1	-6.6	0.0	7.4	11.6	7.1	6.5	-0.2	-7.3	-5.1

Brussels monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.3	10.5	11.9	13.4	14.7	15.4	15.1	14.0	12.5	11.0	9.7	9.0
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	1.8	5.2	6.0	8.0	11.5	11.3	11.5	10.0	8.9	4.7	4.6	2.3
Precipitation (mm)	84	92	117	107	58	61	114	83	47	104	66	80
Sunny days	8	9	8	12	22	15	5	11	17	7	11	9
Rainy days	11	8	9	17	9	15	26	20	13	23	15	17
Snow days	12	11	14	1	0	0	0	0	0	1	4	5

Brussels - weather forecast by months

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Best time to visit Brussels:

The best time to visit Brussels during the most sunny months:

May — 11.5(h)
June — 11.3(h)
July — 11.5(h)
August — 10.0(h)
September — 8.9(h)

Months with the longest average daylight duration in Brussels:

June — 15.4(h)

The largest precipitation sum in Brussels is at

March — 117(mm)

April — 107(mm)

July — 114(mm)

Weather forecast in the closest to Brussels admin centers