Bewolking — 2020
| Maand | Voorne aan Zee | Goeree-Overflakkee | Verschil |
|---|---|---|---|
| Jan | 77 % | 77 % | +0.0 |
| Feb | 74.1 % | 74.1 % | +0.0 |
| Mrt | 52.2 % | 52.2 % | +0.0 |
| Apr | 35.1 % | 35.1 % | +0.0 |
| Mei | 45.8 % | 45.8 % | +0.0 |
| Jun | 63.4 % | 63.4 % | +0.0 |
| Jul | 59.7 % | 59.7 % | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |