Weather & climate · Brussels
Best Time to Visit Belgium
June to August
The best time to visit Belgium is June to August, when daytime highs in Brussels are around 21–23°C. September is also a good time to go. July is the warmest month (23°C by day), February the coldest (1°C at night), and August the wettest with about 81 mm of rain.
23°C
Warmest: July
1°C
Coldest nights: February
789 mm
Rain per year
81 mm
Wettest: August
Belgium weather by month
- Jan5°C1°C73 mm
- Feb6°C1°C62 mm
- Mar10°C2°C55 mm
- Apr14°C5°C37 mm
- May18°C9°C58 mm
- Jun21°C12°C62 mm
- Jul23°C14°C77 mm
- Aug23°C14°C81 mm
- Sep20°C11°C61 mm
- Oct15°C8°C69 mm
- Nov10°C5°C73 mm
- Dec6°C2°C81 mm
Best time Good Less ideal
| Month | High | Low | Rain | Humidity | Cloud cover | Verdict |
|---|---|---|---|---|---|---|
| January | 5°C | 1°C | 73 mm | 93% | 74% | Cold |
| February | 6°C | 1°C | 62 mm | 90% | 72% | Cold |
| March | 10°C | 2°C | 55 mm | 86% | 66% | Fair |
| April | 14°C | 5°C | 37 mm | 80% | 61% | Fair |
| May | 18°C | 9°C | 58 mm | 77% | 65% | Fair |
| June | 21°C | 12°C | 62 mm | 75% | 67% | Best time |
| July | 23°C | 14°C | 77 mm | 73% | 64% | Best time |
| August | 23°C | 14°C | 81 mm | 74% | 64% | Best time |
| September | 20°C | 11°C | 61 mm | 78% | 61% | Good |
| October | 15°C | 8°C | 69 mm | 84% | 68% | Fair |
| November | 10°C | 5°C | 73 mm | 91% | 73% | Fair |
| December | 6°C | 2°C | 81 mm | 93% | 74% | Cold |
Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Brussels (51.4, 4.58). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Belgium have their own climate.
Frequently asked questions
When is the best time to visit Belgium?
June to August. The best time to visit Belgium is June to August, when daytime highs in Brussels are around 21–23°C. September is also a good time to go. July is the warmest month (23°C by day), February the coldest (1°C at night), and August the wettest with about 81 mm of rain.
What is the hottest month in Belgium?
July, with average highs of 23°C in Brussels.
What is the coldest month in Belgium?
February, when nights drop to about 1°C and days reach 6°C.
What is the rainiest month in Belgium?
August with about 81 mm; April is the driest (37 mm).
When should I avoid visiting Belgium?
December is the least comfortable month on average: 6°C by day and 81 mm of rain.
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Andorra
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Armenia
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Austria
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Azerbaijan
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Finland
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France
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Georgia
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Germany
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Greece
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Hungary
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Iceland
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Ireland
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Italy
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Kosovo
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Latvia
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Liechtenstein
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Lithuania
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Luxembourg
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Malta
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Moldova
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Monaco
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Montenegro
July to August
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Netherlands
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North Macedonia
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Norway
June to August
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Poland
June to August
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Portugal
June to September
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Romania
May and September
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Russia
July to August
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San Marino
June and September
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Serbia
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Slovakia
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Slovenia
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Spain
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Sweden
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Switzerland
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Ukraine
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Best time Good · bars run January → December