Neerslag — 2023
| Month | Capelle aan den IJssel | Ridderkerk | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | – | 0.8 mm | – |
| Apr | – | 85.9 mm | – |
| May | – | 77.7 mm | – |
| Jun | – | 18.7 mm | – |
| Jul | – | 135.9 mm | – |
| Aug | – | 114.2 mm | – |
| Sep |
| – |
| 80.2 mm |
| – |
| Oct | – | 139.3 mm | – |
| Nov | – | 149.8 mm | – |
| Dec | – | 134.8 mm | – |