Neerslag — 2025
| Maand | Ridderkerk | Krimpen aan den IJssel | Verschil |
|---|---|---|---|
| Jan | 100.3 mm | 97.5 mm | +2.8 |
| Feb | 33.9 mm | 37.2 mm | -3.3 |
| Mrt | 7.3 mm | 7.8 mm | -0.5 |
| Apr | 33.3 mm | 30.8 mm | +2.5 |
| Mei | 38 mm | 40 mm | -2.0 |
| Jun | 60.3 mm | 59.8 mm | +0.5 |
| Jul | 81.1 mm | 84.9 mm | -3.8 |
| Aug | 33.7 mm | 35 mm | -1.3 |
| Sep | 52.7 mm | 51.5 mm | +1.2 |
| Okt | 122.1 mm | 129.4 mm | -7.3 |
| Nov | 72.7 mm | 70.5 mm | +2.2 |
| Dec | 25.7 mm | 24.1 mm | +1.6 |