Weather in Belgium in August
August in Belgium is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.
A country pin in August is a warning: one region of Belgium will not match another. Use a city page if you already know where you are going. Compared with July and January, August sits in the middle of Belgium's year.

- Average temp
- 18°C
14–23°C
- Rainfall
- 90 mm
Showers likely
- Sunshine
- 6.1 h
hours per day
What to expect
Daytime
Warm days in Belgium in August. A hat starts to earn its keep at midday. Evenings are the comfortable part of the clock.
You can walk at more hours than in the fierce months. Still build in a pause when the sun is high. Nights are easy.
Rain
August is the wet side of the year in Belgium. Days can be heavy. Plans that cannot survive rain are the wrong plans.
This is not a reason to skip Belgium if you like the place. It is a reason to pack for weather and to stop treating every grey hour as a failed holiday.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Rain jacket
A layer for cooler evenings
Where to stay in Belgium
Featured stays on trip1. Dates are a starting point for August.
Travel guides for Belgium
What to read before you book.
Average weather in Belgium
TemperatureRainfall
Similar weather in August
Other destinations whose August averages sit close to this one.
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Belgium
Climate averages for Belgium, 1991–2020.
The best time to visit Belgium is between May and October, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 19°C.
August is the wettest month, with about 90 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.




