Bewolking — 2026
| Maand | Tholen | Goeree-Overflakkee | Verschil |
|---|---|---|---|
| Jan | – | 78.7 % | – |
| Feb | – | 82.7 % | – |
| Mrt | 53.9 % | 55.3 % | -1.4 |
| Apr | 83.9 % | 78.9 % | +5.0 |
| Mei | 58.4 % | 57 % | +1.4 |
| Jun | 60.5 % | 59.5 % | +1.0 |
| Jul | 47.1 % | 48.5 % | -1.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |