Neerslag — 2026
| Mois | Lasne | Genappe | Différence |
|---|---|---|---|
| Jan | 77.9 mm | 70.5 mm | +7.4 |
| Fév | 110.5 mm | 109.2 mm | +1.3 |
| Mar | 49.3 mm | 55 mm | -5.7 |
| Avr | 12.8 mm | 13.5 mm | -0.7 |
| Mai | 120.6 mm | 100.8 mm | +19.8 |
| Juin | 68.8 mm | 73.2 mm | -4.4 |
| Juil | 13.6 mm | 10.2 mm | +3.4 |
| Aoû |
| 78.2 mm |
| 65 mm |
| +13.2 |
| Sep | 13.4 mm | 12 mm | +1.4 |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |