Bewolking — 2026
| Month | Goeree-Overflakkee | Nissewaard | Difference |
|---|---|---|---|
| Jan | 78.7 % | – | – |
| Feb | 82.7 % | – | – |
| Mar | 55.3 % | 56.8 % | -1.5 |
| Apr | 78.9 % | 79.4 % | -0.5 |
| May | 57 % | 58.2 % | -1.2 |
| Jun | 59.5 % | 60.6 % | -1.1 |
| Jul | 45 % | 46.1 % | -1.1 |
| Aug |
| 53.1 % |
| 53.9 % |
| -0.8 |
| Sep | 72.3 % | 72.5 % | -0.2 |
| Oct | 63.8 % | 63.1 % | +0.7 |
| Nov | – | – | – |
| Dec | – | – | – |