Transit Desk

Climate

Weather in Belgium in May

Weather in Belgium, May
In May, Belgium sees average highs of 18.3°C (65°F) and lows of 9.1°C (48°F), with around 69 mm of rain.

Belgium — May

Belgium May
Daytime high
18.3°C (65°F)
Overnight low
9.1°C (48°F)
Rainfall
69 mm
Best-time rank
Off-peak

How May compares

Belgium, May vs. the annual average (2025)
This month18.3°C (65°F) / 9.1°C (48°F) · 69 mm
Yearly average15.1°C (59°F) / 7.8°C (46°F) · 71 mm

May in Belgium runs 3.2°C (5.8°F) warmer than the yearly average, and is close to the yearly average rainfall. Pack a warm jacket for cooler conditions.

Common questions

What is the weather like in Belgium in May?

Average highs of 18.3°C (65°F) and lows of 9.1°C (48°F), with around 69 mm of rain.

Is May a good time to visit Belgium?

It is an off-peak month for comfort in Belgium; June, July, August tend to be more pleasant.

Updated climate normals, 2025