Neerslag — 2026
| Maand | Ridderkerk | Krimpen aan den IJssel | Verschil |
|---|---|---|---|
| Jan | 96.4 mm | 89.9 mm | +6.5 |
| Feb | 63.5 mm | 58.8 mm | +4.7 |
| Mrt | 64.7 mm | 75.2 mm | -10.5 |
| Apr | 3.6 mm | 3.8 mm | -0.2 |
| Mei | 67.4 mm | 51.3 mm | +16.1 |
| Jun | 79.3 mm | 74.9 mm | +4.4 |
| Jul | 14.3 mm | 14.7 mm | -0.4 |
| Aug | 57.1 mm | 60.5 mm | -3.4 |
| Sep | 29.5 mm | 34.7 mm | -5.2 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |