Neerslag — 2026
| Mois | Overijse | Huldenberg | Différence |
|---|---|---|---|
| Jan | 75.1 mm | 71.8 mm | +3.3 |
| Fév | 114.4 mm | 94.4 mm | +20.0 |
| Mar | 73.7 mm | 73.6 mm | +0.1 |
| Avr | 8.5 mm | 8.3 mm | +0.2 |
| Mai | 120.6 mm | 120.6 mm | +0.0 |
| Juin | 68.8 mm | 68.8 mm | +0.0 |
| Juil | 13.6 mm | 13.6 mm | +0.0 |
| Aoû |
| 78.2 mm |
| 78.4 mm |
| -0.2 |
| Sep | 16.7 mm | 15.4 mm | +1.3 |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |