Bewolking — 2026
| Month | Goeree-Overflakkee | Tholen | Difference |
|---|---|---|---|
| Jan | 78.7 % | – | – |
| Feb | 82.7 % | – | – |
| Mar | 55.3 % | 53.9 % | +1.4 |
| Apr | 78.9 % | 83.9 % | -5.0 |
| May | 57 % | 58.4 % | -1.4 |
| Jun | 59.5 % | 60.5 % | -1.0 |
| Jul | 45 % | 43.7 % | +1.3 |
| Aug |
| 53.1 % |
| 53.7 % |
| -0.6 |
| Sep | 71.2 % | 72.1 % | -0.9 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |