Neerslag — 2026
| Month | Zwijndrecht | Hendrik-Ido-Ambacht | Difference |
|---|---|---|---|
| Jan | 76.6 mm | – | – |
| Feb | 98.3 mm | – | – |
| Mar | 59.9 mm | 11.1 mm | +48.8 |
| Apr | 9.8 mm | 2.5 mm | +7.3 |
| May | 94 mm | 67.6 mm | +26.4 |
| Jun | 81.1 mm | 69.8 mm | +11.3 |
| Jul | 13.4 mm | 14.9 mm | -1.5 |
| Aug |
| 70 mm |
| 58 mm |
| +12.0 |
| Sep | 52.1 mm | 53.7 mm | -1.6 |
| Oct | 99.9 mm | 88.5 mm | +11.4 |
| Nov | – | – | – |
| Dec | – | – | – |