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Best Time to Visit Belgium
Climate based on Brussels • 2015–2024
The best overall weather in Belgium is in August, with average highs around 24°C. The single best 14-day window: Aug 1 - Aug 14. The hottest month is August (24°C highs) and the coolest is January (6°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
1
5
10
15
20
25
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Aug 1 - Aug 14
14-day window • Avg 20°C • Comfortable
Alternative 1
Jul 17 - Jul 30
14-day window • Avg 20°C • Comfortable
Alternative 2
Aug 18 - Aug 31
14-day window • Avg 19°C • Comfortable
Month-by-month breakdown
January
Cold4°Cavg
- 6°C / 2°C
- 75mm total
- 3.6h sun/day
February
Cold5°Cavg
- 8°C / 2°C
- 66mm total
- 5.4h sun/day
March
Cold7°Cavg
- 11°C / 3°C
- 71mm total
- 7.0h sun/day
April
Fresh10°Cavg
- 14°C / 5°C
- 47mm total
- 9.6h sun/day
May
Comfortable14°Cavg
- 18°C / 9°C
- 64mm total
- 11.0h sun/day
June
Comfortable18°Cavg
- 22°C / 13°C
- 68mm total
- 11.3h sun/day
July
Comfortable19°Cavg
- 23°C / 14°C
- 70mm total
- 11.4h sun/day
August
Comfortable19°Cavg
- 24°C / 15°C
- 59mm total
- 10.7h sun/day
September
Comfortable16°Cavg
- 20°C / 12°C
- 64mm total
- 9.1h sun/day
October
Fresh13°Cavg
- 16°C / 9°C
- 72mm total
- 6.0h sun/day
November
Cold8°Cavg
- 10°C / 5°C
- 69mm total
- 4.5h sun/day
December
Cold6°Cavg
- 8°C / 4°C
- 75mm total
- 3.2h sun/day
Plan your trip to Belgium
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