Brussels hourly weather forecast

Climate Characteristics of Brussels

General Overview

Brussels is characterized by an oceanic climate (temperate maritime). Due to its relative proximity to the Atlantic Ocean, the weather in the city tends to be volatile and rainy throughout the year. Temperatures are generally mild – winters are cool but rarely extremely freezing, and summers are pleasant and comfortable, although short heatwaves occasionally hit the city.

Summer Season and Warm Months

Summer in Brussels is mild and very pleasant for traveling. Average daytime temperatures range from 21°C to 23°C (70-73°F), and they rarely cross 30°C (86°F). This is a time with very long daylight hours, but it is important to remember that even at the peak of summer, sudden rain showers can occur, so it is always recommended to carry an umbrella or a light jacket.

Winter Season and Precipitation

Winter in Brussels is grey, wet, and cool. Daytime temperatures range from 5°C to 7°C (41-45°F), and at night they drop close to zero (32°F). Snow is not very common within the city and tends to melt quickly, but rain and fog are a regular sight. High humidity and winds make the cold feel more intense than the measured temperature.

Transition Seasons and Special Phenomena

Spring and autumn are beautiful seasons in Brussels but are particularly volatile. Spring is characterized by spectacular blooms in the city's many parks, while autumn colors the boulevards in orange and yellow. Extreme weather events are rare, but strong windstorms from the Atlantic can occur mainly in late autumn and early winter.

Weather in Brussels by Month

January

January is the coldest month of the year in Brussels. Days are often grey and very rainy, with average temperatures of 6°C during the day and dropping to 1°C at night. Daylight hours are at their shortest.

February

The weather remains cold and very similar to January, though February is sometimes slightly drier. Average daytime temperatures are around 7°C. Full winter gear and an umbrella are still necessary.

March

March marks the beginning of spring, but the weather is notoriously volatile – pleasant sunny days can quickly turn into cold rain. The average daytime temperature rises to about 10°C.

April

April in Brussels is known for sudden weather shifts (locals call it "crazy weather"). Temperatures climb to about 14°C, and blossoms in the parks start appearing everywhere.

May

One of the most beautiful and pleasant months to visit. Temperatures are comfortable (averaging 18°C), days lengthen significantly, and the city becomes very green and vibrant.

June

June opens the summer season with ideal weather for sightseeing, around 21°C during the day. Daylight hours are at their peak, and the sun does not set until after 10:00 PM.

July

This is the warmest month of the year in Brussels, with an average temperature of 23°C. Although it is summer, sudden rain showers are still common, and short heatwaves occasionally hit the city.

August

Very similar to July, with temperatures around 23°C and relatively low humidity. Toward the end of the month, the first hints of autumnal coolness can be felt in the evening hours.

September

A highly recommended month for a visit. Temperatures drop slightly to about 19°C, and the city is less crowded with tourists. The air is very pleasant, but rainfall gradually begins to increase.

October

Autumn arrives in full force with spectacular foliage in shades of orange and yellow. Daytime temperatures range around 15°C, and the air becomes wetter and cooler.

November

A grey, cool, and often windy month. The average daytime temperature is about 9°C, and there are far fewer sunshine hours than in previous months.

December

Winter officially returns with daytime temperatures around 6°C. Despite the cold and rain, the city is lit up with Christmas lights and festive markets that add plenty of charm to the atmosphere.