Neerslag — 2026
| Month | Ridderkerk | Hendrik-Ido-Ambacht | Difference |
|---|---|---|---|
| Jan | 96.4 mm | – | – |
| Feb | 63.5 mm | – | – |
| Mar | 64.7 mm | 11.1 mm | +53.6 |
| Apr | 3.6 mm | 2.5 mm | +1.1 |
| May | 67.4 mm | 67.6 mm | -0.2 |
| Jun | 79.3 mm | 69.8 mm | +9.5 |
| Jul | 14.3 mm | 14.9 mm | -0.6 |
| Aug |
| 57.1 mm |
| 58 mm |
| -0.9 |
| Sep | 61.7 mm | 53.7 mm | +8.0 |
| Oct | 90.1 mm | 88.5 mm | +1.6 |
| Nov | – | – | – |
| Dec | – | – | – |