Neerslag — 2026
| Month | Krimpen aan den IJssel | Alblasserdam | Difference |
|---|---|---|---|
| Jan | 89.9 mm | – | – |
| Feb | 58.8 mm | – | – |
| Mar | 75.2 mm | 12.4 mm | +62.8 |
| Apr | 3.8 mm | 3.3 mm | +0.5 |
| May | 51.3 mm | 67.6 mm | -16.3 |
| Jun | 74.9 mm | 69.8 mm | +5.1 |
| Jul | 14.7 mm | 14.9 mm | -0.2 |
| Aug |
| 60.5 mm |
| 58.1 mm |
| +2.4 |
| Sep | 70.5 mm | 53.8 mm | +16.7 |
| Oct | 93.2 mm | 88.6 mm | +4.6 |
| Nov | – | – | – |
| Dec | – | – | – |