Neerslag — 2025
| Maand | Ridderkerk | Zwijndrecht | Verschil |
|---|---|---|---|
| Jan | 100.3 mm | 116.5 mm | -16.2 |
| Feb | 33.9 mm | 45.4 mm | -11.5 |
| Mrt | 7.3 mm | 10.1 mm | -2.8 |
| Apr | 33.3 mm | 49.3 mm | -16.0 |
| Mei | 38 mm | 34.3 mm | +3.7 |
| Jun | 60.3 mm | 41.6 mm | +18.7 |
| Jul | 81.1 mm | 79.6 mm | +1.5 |
| Aug |
| 33.7 mm |
| 30.2 mm |
| +3.5 |
| Sep | 52.7 mm | 32.4 mm | +20.3 |
| Okt | 122.1 mm | 99.9 mm | +22.2 |
| Nov | 72.7 mm | 64.8 mm | +7.9 |
| Dec | 25.7 mm | 29.2 mm | -3.5 |