Belgium in August: where is it warmest?
In August, Ghent is the warmest place with 23 °C by day, Ostend the coolest with 21 °C. 19 of 22 destinations have good holiday weather.
All destinations in August, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Ghent | 75 | 23° | – | 6 h | 12 |
| Mons | 75 | 23° | – | 6 h | 12 |
| Tournai | 75 | 23° | – | 6 h | 11 |
| Brussels | 73 | 23° | – | 6 h | 12 |
| Mechelen | 73 | 23° | – | 6 h | 12 |
| Antwerp | 72 | 23° | – | 6 h | 13 |
| Liège | 72 | 23° | – | 6 h | 13 |
| Leuven | 72 | 23° | – | 6 h | 13 |
| Namur | 72 | 23° | – | 6 h | 13 |
| Dinant | 72 | 23° | – | 6 h | 13 |
| Hasselt | 72 | 23° | – | 6 h | 13 |
| Ypres | 77 | 22° | – | 7 h | 11 |
| Waterloo | 73 | 22° | – | 6 h | 12 |
| Bruges | 77 | 21° | – | 7 h | 12 |
| De Haan | 76 | 21° | – | 7 h | 12 |
| Spa | 70 | 21° | – | 6 h | 14 |
| Eupen | 70 | 21° | – | 6 h | 14 |
| Bastogne | 70 | 21° | – | 7 h | 14 |
| Malmedy | 70 | 21° | – | 6 h | 14 |
| Knokke-Heist | 44 | 21° | 19° | 7 h | 12 |
| Zeebrugge | 42 | 21° | 19° | 7 h | 12 |
| Ostend | 39 | 21° | 19° | 7 h | 12 |
Belgium in August: quick answers
Belgium in August: where is it warmest?
The warmest places in August are Ghent (23 °C), Mons (23 °C) and Tournai (23 °C).
Belgium in August: where is the sea warmest?
The sea is warmest at Knokke-Heist (19 °C), Zeebrugge (19 °C) and Ostend (19 °C).
Belgium in August: where is the weather best?
The best holiday weather in August – warm, sunny and dry – is in Ypres, Bruges and De Haan.
Belgium month by month
Belgium: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences