Bewolking — 2026
| Month | Ridderkerk | Hendrik-Ido-Ambacht | Difference |
|---|---|---|---|
| Jan | 78.3 % | – | – |
| Feb | 81.5 % | – | – |
| Mar | 53.1 % | 65.2 % | -12.1 |
| Apr | 78.6 % | 77.6 % | +1.0 |
| May | 59 % | 60 % | -1.0 |
| Jun | 61.6 % | 62.1 % | -0.5 |
| Jul | 47.4 % | 47.8 % | -0.4 |
| Aug |
| 54.3 % |
| 54.4 % |
| -0.1 |
| Sep | 73.7 % | 74.2 % | -0.5 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |