Neerslag — 2023
| Mois | Huldenberg | Overijse | Différence |
|---|---|---|---|
| Jan | – | – | – |
| Fév | – | – | – |
| Mar | 131.1 mm | 115.9 mm | +15.2 |
| Avr | 86.5 mm | 80.7 mm | +5.8 |
| Mai | 49.8 mm | 65.7 mm | -15.9 |
| Juin | 40.6 mm | 42.1 mm | -1.5 |
| Juil | 101.8 mm | 101.3 mm | +0.5 |
| Aoû |
| 83.1 mm |
| 79.7 mm |
| +3.4 |
| Sep | 70.2 mm | 77.4 mm | -7.2 |
| Oct | 118.2 mm | 120.6 mm | -2.4 |
| Nov | 109.6 mm | 116.8 mm | -7.2 |
| Déc | 75.3 mm | 79.1 mm | -3.8 |