Our verdict
The best time to visit Brussels is April-June
In the summer months, temperatures can reach as high as 27℃ (81℉) in Brussels. In the winter months, it can get down to as low as -3℃ (27℉) at night.
If you’re keen to see the sights of Brussels during the day, the sun stays up the longest around July. The wet season in Brussels falls around December, so if you prefer the dryer weather, you should look to visit in April instead.
To learn everything you need to know (and none of the stuff you don’t) about when to visit Brussels, keep reading below. Plus, you’ll find tools to help you get the best deals on travel and hotels too!
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Brussels seasons
Before you continue, it’s important to know when the seasons are in Brussels as they might be different to yours depending on where in the world you’re travelling from. Brussels is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Brussels
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Brussels for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Brussels climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Brussels for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Brussels in January
- Average temperature: 3℃ (38℉)
- Average high temperature: 5℃ (41℉)
- Average low temperature: 1℃ (34℉)
- Average humidity: 87%
- Average sunny days: 9 days
- Average rainfall: 43mm (2") over 17 days
- Average snow days: 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Brussels in February
- Average temperature: 4℃ (39℉)
- Average high temperature: 7℃ (44℉)
- Average low temperature: 1℃ (34℉)
- Average humidity: 83%
- Average sunny days: 9 days
- Average rainfall: 46mm (2") over 14 days
- Average snow days: 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Brussels in March
- Average temperature: 7℃ (44℉)
- Average high temperature: 11℃ (51℉)
- Average low temperature: 3℃ (38℉)
- Average humidity: 79%
- Average sunny days: 13 days
- Average rainfall: 48mm (2") over 15 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Brussels in April
- Average temperature: 11℃ (51℉)
- Average high temperature: 15℃ (59℉)
- Average low temperature: 6℃ (43℉)
- Average humidity: 75%
- Average sunny days: 11 days
- Average rainfall: 27mm (1") over 15 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in April, make sure you pack a warm jacket or coat.
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Brussels in May
- Average temperature: 13℃ (56℉)
- Average high temperature: 18℃ (64℉)
- Average low temperature: 8℃ (47℉)
- Average humidity: 77%
- Average sunny days: 10 days
- Average rainfall: 45mm (2") over 19 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in May, make sure you pack a warm jacket or coat.
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Brussels in June
- Average temperature: 17℃ (62℉)
- Average high temperature: 21℃ (70℉)
- Average low temperature: 11℃ (53℉)
- Average humidity: 79%
- Average sunny days: 8 days
- Average rainfall: 48mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in June, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Brussels in July
- Average temperature: 19℃ (66℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 75%
- Average sunny days: 9 days
- Average rainfall: 46mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Brussels in August
- Average temperature: 18℃ (65℉)
- Average high temperature: 23℃ (73℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 75%
- Average sunny days: 10 days
- Average rainfall: 48mm (2") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in August, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Brussels in September
- Average temperature: 15℃ (59℉)
- Average high temperature: 19℃ (67℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 78%
- Average sunny days: 12 days
- Average rainfall: 30mm (1") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in September, make sure you pack a warm jacket or coat.
Brussels in October
- Average temperature: 12℃ (53℉)
- Average high temperature: 15℃ (59℉)
- Average low temperature: 8℃ (47℉)
- Average humidity: 83%
- Average sunny days: 12 days
- Average rainfall: 38mm (2") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in October, make sure you pack a warm jacket or coat.
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Brussels in November
- Average temperature: 7℃ (45℉)
- Average high temperature: 10℃ (50℉)
- Average low temperature: 5℃ (41℉)
- Average humidity: 86%
- Average sunny days: 9 days
- Average rainfall: 45mm (2") over 17 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in November, make sure you pack a warm jacket or coat.
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Brussels in December
- Average temperature: 4℃ (40℉)
- Average high temperature: 6℃ (44℉)
- Average low temperature: 3℃ (37℉)
- Average humidity: 88%
- Average sunny days: 9 days
- Average rainfall: 60mm (2") over 18 days
- Average snow days: 3 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Brussels in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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