Best year time to visit Boom

General weather information about Boom

Average annual temperature is 12.0 °C

Absolute maximum temperature: 31.5 °C

Absolute minimum temperature: -5.0 °C

Number of sunny days: 113 days

Number of rainy days: 249 days

Number of snow days: 3 days

Look at detailed online map of Boom

* Weather data for Boom Belgium is based on climate observations for 2026 year

Boom air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	15.1	12.3	17.5	17.5	24.0	30.4	31.5	26.1	31.4	25.1	15.4	12.5
Average daytime temperature (°C)	7.5	8.6	10.7	12.6	18.2	25.2	22.6	21.8	23.4	17.1	10.2	8.8
Average temperature (°C)	5.4	5.5	7.4	8.7	13.5	20.2	18.5	18.1	18.5	13.7	7.8	6.8
Average night temperature (°C)	3.2	2.2	4.1	4.8	8.6	14.5	14.3	14.3	13.8	10.6	5.5	4.5
Absolute minimum temperature (°C)	-3.5	-4.4	-3.0	-0.8	3.6	9.9	11.8	11.2	8.9	3.6	-1.8	-5.0

Boom monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.5	10.0	11.9	13.8	15.6	16.5	16.0	14.5	12.6	10.7	8.9	8.0
Daylight minimum duration (h)	7.0	9.0	10.0	12.0	14.0	16.0	15.0	13.0	11.0	9.0	8.0	7.0
Sunshine mean duration (h)	3.1	4.2	4.9	7.6	10.8	13.0	10.9	10.2	9.1	6.2	3.6	2.2
Precipitation (mm)	88	9	112	79	62	42	112	82	71	130	137	89
Sunny days	8	12	4	8	14	22	2	7	18	9	3	6
Rainy days	22	16	27	22	17	8	29	24	12	22	27	23
Snow days	1	0	0	0	0	0	0	0	0	0	0	2

Boom - weather forecast by months

Boom weather in january Boom weather in february Boom weather in march Boom weather in april Boom weather in may Boom weather in june Boom weather in july Boom weather in august Boom weather in september Boom weather in october Boom weather in november Boom weather in december

Best time to visit Boom:

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

May — 10.8(h)
June — 13.0(h)
July — 10.9(h)
August — 10.2(h)
September — 9.1(h)

Months with the longest average daylight duration in Boom:

May — 15.6(h)
June — 16.5(h)
July — 16.0(h)

The largest precipitation sum in Boom is at

March — 112(mm)

July — 112(mm)

October — 130(mm)

November — 137(mm)

Weather forecast in the closest to Boom admin centers