Neerslag — 2026
| Maand | Krimpen aan den IJssel | Ridderkerk | Verschil |
|---|---|---|---|
| Jan | 89.9 mm | 96.4 mm | -6.5 |
| Feb | 58.8 mm | 63.5 mm | -4.7 |
| Mrt | 75.2 mm | 64.7 mm | +10.5 |
| Apr | 3.8 mm | 3.6 mm | +0.2 |
| Mei | 51.3 mm | 67.4 mm | -16.1 |
| Jun | 74.9 mm | 79.3 mm | -4.4 |
| Jul | 14.7 mm | 14.3 mm | +0.4 |
| Aug | 60.5 mm | 57.1 mm | +3.4 |
| Sep | 70.5 mm | 61.7 mm | +8.8 |
| Okt | 99.7 mm | 92.8 mm | +6.9 |
| Nov | – | – | – |
| Dec | – | – | – |