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 | 48.9 % | 47.5 % | +1.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |