Climate
Weather in Belgium, month by month
Best time to visit
For mild temperatures and less rain, June, July, August are usually the most comfortable months in Belgium (based on recent 2025 averages near Brussels).
Average weather by month
Daytime high / overnight low (Celsius and Fahrenheit), with average monthly rainfall, near Brussels. Tap a month for details.
| Jan | 5.9°C (43°F) / 1.2°C (34°F) · 92 mm |
|---|---|
| Feb | 8.8°C (48°F) / 2.8°C (37°F) · 59 mm |
| Mar | 11.7°C (53°F) / 3.6°C (38°F) · 59 mm |
| Apr | 13.8°C (57°F) / 5.1°C (41°F) · 52 mm |
| May | 18.3°C (65°F) / 9.1°C (48°F) · 69 mm |
| Jun | 22.6°C (73°F) / 13°C (55°F) · 75 mm |
| Jul | 22.8°C (73°F) / 14.1°C (57°F) · 93 mm |
| Aug | 23.3°C (74°F) / 14.6°C (58°F) · 52 mm |
| Sep | 20.6°C (69°F) / 12.3°C (54°F) · 68 mm |
| Oct | 16.1°C (61°F) / 9.7°C (49°F) · 92 mm |
| Nov | 10.2°C (50°F) / 5.2°C (41°F) · 72 mm |
| Dec | 7.6°C (46°F) / 3.2°C (38°F) · 69 mm |
Updated climate normals, 2025
Climate extremes in Belgium
| Warmest month | August · avg high 23.3°C (74°F) |
|---|---|
| Coolest month | January · avg low 1.2°C (34°F) |
| Wettest month | July · ~93 mm |
| Driest month | April · ~52 mm |
Common questions
When is the best time to visit Belgium?
For a balance of comfortable temperatures and lower rainfall, June, July, August tend to be the most pleasant months in Belgium.
What is the hottest month in Belgium?
August is the warmest month in Belgium, with average daytime highs around 23.3°C (74°F).
What is the coldest month in Belgium?
January is the coolest, with average overnight lows near 1.2°C (34°F).
Which month has the most rain in Belgium?
July is typically the wettest month (around 93 mm on average), while April is usually the driest.