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Brussels, Brussels Capital Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Brussels, Brussels Capital?
Brussels, Brussels Capital gets 740 mm of precipitation a year over about 189 rainy days. July is the warmest month (average high 24°C) and January the coldest (average low 2°C).
Oceanic climate
Brussels, Brussels Capital has warm summers and chilly winters. Daytime highs range from about 7°C in January to 24°C in July. November is usually the wettest month. The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 2° | 7° |
| Spring | Mar–May | 6° | 15° |
| Summer | Jun–Aug | 13° | 23° |
| Autumn | Sep–Nov | 8° | 16° |
How much rain does Brussels get?
Brussels gets 740 mm of precipitation in an average year, spread over about 189 days with measurable rain. That is more rainy days than 81% of France.
November is the wettest month, with 75 mm. April is the driest, with 45 mm. November has the most rainy days, about 19.
The longest dry spell in the last five years lasted 28 days, to June 12, 2023.
From October 2025 to September 2026 Brussels got 580 mm of rain, against a normal of 740 mm for those months. November 2025 had the most, with 89 mm.
Brussels weather by month
Brussels weather in January
In January, Brussels averages a high of 7°C and a low of 2°C. It gets 58 mm of precipitation over about 17 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The January record high is 15°C (2007) and the record low is -19°C (1982).
Brussels weather in February
In February, Brussels averages a high of 8°C and a low of 2°C. It gets 51 mm of precipitation over about 15 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The February record high is 19°C (2021) and the record low is -13°C (1991).
Brussels weather in March
In March, Brussels averages a high of 11°C and a low of 4°C. It gets 52 mm of precipitation over about 15 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The March record high is 25°C (2021) and the record low is -11°C (2013).
Brussels weather in April
In April, Brussels averages a high of 15°C and a low of 6°C. It gets 45 mm of precipitation over about 13 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The April record high is 28°C (2007) and the record low is -3°C (2013).
Brussels weather in May
In May, Brussels averages a high of 18°C and a low of 9°C. It gets 61 mm of precipitation over about 14 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The May record high is 32°C (2005) and the record low is -1°C (1981). May is one of the most comfortable months to visit.
Brussels weather in June
In June, Brussels averages a high of 21°C and a low of 12°C. It gets 64 mm of precipitation over about 14 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The June record high is 37°C (2026) and the record low is 2°C (1975). June is one of the most comfortable months to visit.
Brussels weather in July
In July, Brussels averages a high of 24°C and a low of 14°C. It gets 68 mm of precipitation over about 14 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The July record high is 42°C (2019) and the record low is 4°C (1975). July is one of the most comfortable months to visit.
Brussels weather in August
In August, Brussels averages a high of 24°C and a low of 14°C. It gets 71 mm of precipitation over about 15 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (2026) and the record low is 4°C (1978). August is one of the most comfortable months to visit.
Brussels weather in September
In September, Brussels averages a high of 20°C and a low of 12°C. It gets 57 mm of precipitation over about 17 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The September record high is 35°C (2020) and the record low is 1°C (1979). September is one of the most comfortable months to visit.
Brussels weather in October
In October, Brussels averages a high of 16°C and a low of 8°C. It gets 64 mm of precipitation over about 19 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (2011) and the record low is -3°C (1983).
Brussels weather in November
In November, Brussels averages a high of 11°C and a low of 5°C. It gets 75 mm of precipitation over about 19 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The November record high is 21°C (2018) and the record low is -8°C (1983).
Brussels weather in December
In December, Brussels averages a high of 7°C and a low of 2°C. It gets 73 mm of precipitation over about 18 rainy days. Estimated sunshine is 18% of daylight hours, derived from ERA5 cloud cover. The December record high is 16°C (2000) and the record low is -12°C (1978).
Sunshine, humidity and wind in Brussels
June is the sunniest month in Brussels, with estimated sunshine of 42% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 18%. The annual cloud-cover estimate is 33% of daylight hours; it is not a measurement of sunshine duration. Brussels is cloudier than 94% of France.
Humidity peaks in December at 89% and is lowest in April at 68%.
Brussels has about 4 days a year above 32°C. Brussels is cooler than 80% of France.
First and last freeze in Brussels
The first fall freeze in Brussels typically comes around November 13, and the last spring freeze around April 10. That leaves a frost-free growing season of about 217 days.
Brussels weather records
These records cover LILLE-LESQUIN during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Brussels station is 42°C, on July 25, 2019. The coldest is -19°C, on January 14, 1982.
The wettest day in the available station history brought 63 mm of precipitation, on August 19, 2005.
42 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.5°C per decade since 1970.
The best time to visit Brussels
The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.
Winter (December–February) is chilly, with average highs around 7°C and lows near 2°C.
Spring (March–May) is mild, with average highs around 15°C and lows near 6°C.
Summer (June–August) is warm, with average highs around 23°C and lows near 13°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 15°C and lows near 8°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 2° | 7° | 58 mm | 17 | 87% | 23% | 15° | -19° |
| February | 2° | 8° | 51 mm | 15 | 81% | 27% | 19° | -13° |
| March | 4° | 11° | 52 mm | 15 | 73% | 36% | 25° | -11° |
| April | 6° | 15° | 45 mm | 13 | 68% | 41% | 28° | -3° |
| May | 9° | 18° | 61 mm | 14 | 70% | 37% | 32° | -1° |
| June | 12° | 21° | 64 mm | 14 | 69% | 42% | 37° | 2° |
| July | 14° | 24° | 68 mm | 14 | 71% | 37% | 42° | 4° |
| August | 14° | 24° | 71 mm | 15 | 71% | 39% | 38° | 4° |
| September | 12° | 20° | 57 mm | 17 | 77% | 38% | 35° | 1° |
| October | 8° | 16° | 64 mm | 19 | 84% | 27% | 28° | -3° |
| November | 5° | 11° | 75 mm | 19 | 88% | 26% | 21° | -8° |
| December | 2° | 7° | 73 mm | 18 | 89% | 18% | 16° | -12° |
Station: LILLE-LESQUIN, 94 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Brussels climate questions
How much rain does Brussels get?
Brussels gets 740 mm of precipitation in an average year, over about 189 rainy days.
What is the wettest month in Brussels?
November is the wettest month in Brussels, with 75 mm. April is the driest, with 45 mm.
How many rainy days does Brussels have a year?
Brussels has about 189 days with measurable rain in an average year. November has the most, about 19.
What is the hottest month in Brussels?
July is the warmest month in Brussels, with an average high of 24°C.
What is the coldest month in Brussels?
January is the coldest month in Brussels, with an average low of 2°C.
What is the record high temperature in Brussels?
Within the available 1970–2026 station history, the record high at the Brussels station is 42°C, set on July 25, 2019. The record low is -19°C, on January 14, 1982.
What is the sunniest month in Brussels?
June is the sunniest month in Brussels, with estimated sunshine of 42% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Brussels?
The first fall freeze in Brussels typically comes around November 13. The last spring freeze is around April 10.
What is the best time to visit Brussels?
The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.