Neerslag — 2026
| Month | Voorne aan Zee | Nissewaard | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 4 mm | 5 mm | -1.0 |
| Apr | 2.1 mm | 2 mm | +0.1 |
| May | 48.9 mm | 56.9 mm | -8.0 |
| Jun | 77.5 mm | 79.2 mm | -1.7 |
| Jul | 13.1 mm | 13.3 mm | -0.2 |
| Aug |
| 49.6 mm |
| 52.3 mm |
| -2.7 |
| Sep | 69.8 mm | 66.8 mm | +3.0 |
| Oct | 92.7 mm | 92.4 mm | +0.3 |
| Nov | – | – | – |
| Dec | – | – | – |