Neerslag — 2026
| Mois | Herk-de-Stad | Lummen | Différence |
|---|---|---|---|
| Jan | 59.8 mm | 63.9 mm | -4.1 |
| Fév | 90.7 mm | 90.3 mm | +0.4 |
| Mar | 44.8 mm | 43.5 mm | +1.3 |
| Avr | 10.7 mm | 9.2 mm | +1.5 |
| Mai | 112.3 mm | 112.3 mm | +0.0 |
| Juin | 75.5 mm | 75.4 mm | +0.1 |
| Juil | 15.5 mm | 15.5 mm | +0.0 |
| Aoû |
| 77.3 mm |
| 77.3 mm |
| +0.0 |
| Sep | 49.1 mm | 49.2 mm | -0.1 |
| Oct | 95.9 mm | 95.3 mm | +0.6 |
| Nov | – | – | – |
| Déc | – | – | – |