Neerslag — 2026
| Mois | Capelle aan den IJssel | Krimpen aan den IJssel | Différence |
|---|---|---|---|
| Jan | – | 89.9 mm | – |
| Fév | – | 58.8 mm | – |
| Mar | 10.8 mm | 75.2 mm | -64.4 |
| Avr | 4.2 mm | 3.8 mm | +0.4 |
| Mai | 51.3 mm | 51.3 mm | +0.0 |
| Juin | 74.9 mm | 74.9 mm | +0.0 |
| Juil | 14.7 mm | 14.7 mm | +0.0 |
| Aoû |
| 60.4 mm |
| 60.5 mm |
| -0.1 |
| Sep | 35.1 mm | 34.7 mm | +0.4 |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |