Neerslag — 2026
| Month | Goeree-Overflakkee | Voorne aan Zee | Difference |
|---|---|---|---|
| Jan | 107.1 mm | – | – |
| Feb | 76.7 mm | – | – |
| Mar | 63.3 mm | 4 mm | +59.3 |
| Apr | 1.6 mm | 2.1 mm | -0.5 |
| May | 48.9 mm | 48.9 mm | +0.0 |
| Jun | 77.6 mm | 77.5 mm | +0.1 |
| Jul | 13.1 mm | 13.1 mm | +0.0 |
| Aug |
| 49.4 mm |
| 49.6 mm |
| -0.2 |
| Sep | 69.9 mm | 69.8 mm | +0.1 |
| Oct | 93.5 mm | 92.7 mm | +0.8 |
| Nov | – | – | – |
| Dec | – | – | – |