Brussels, Brussels Capital Weather by Month and Climate Averages

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.

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. The sun is out about 23% of daylight hours. 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. The sun is out about 27% of daylight hours. 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. The sun is out about 36% of daylight hours. 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. The sun is out about 41% of daylight hours. 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. The sun is out about 37% of daylight hours. 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. The sun is out about 42% of daylight hours. 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. The sun is out about 37% of daylight hours. 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. The sun is out about 39% of daylight hours. The August record high is 37°C (2020) 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. The sun is out about 38% of daylight hours. 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. The sun is out about 27% of daylight hours. 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. The sun is out about 26% of daylight hours. 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. The sun is out about 18% of daylight hours. 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 sunshine about 42% of daylight hours. December is the cloudiest, at 18%. Over the year the sun shines about 33% of daylight hours. 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 85% 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

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 on record brought 63 mm of rain, 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.

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?

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 sunshine about 42% of daylight hours. 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.