Neerslag — 2026
| Month | Hoeilaart | La Hulpe | Difference |
|---|---|---|---|
| Jan | 75.1 mm | 75 mm | +0.1 |
| Feb | 114.4 mm | 113.8 mm | +0.6 |
| Mar | 71.3 mm | 55.9 mm | +15.4 |
| Apr | 8.9 mm | 9.5 mm | -0.6 |
| May | 120.6 mm | 120.6 mm | +0.0 |
| Jun | 68.8 mm | 68.8 mm | +0.0 |
| Jul | 13.6 mm | 13.6 mm | +0.0 |
| Aug |
| 78.3 mm |
| 78.3 mm |
| +0.0 |
| Sep | 13.2 mm | 10.4 mm | +2.8 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |