Bewolking — 2026
| Month | Hendrik-Ido-Ambacht | Ridderkerk | Difference |
|---|---|---|---|
| Jan | – | 78.3 % | – |
| Feb | – | 81.5 % | – |
| Mar | 65.2 % | 53.1 % | +12.1 |
| Apr | 77.6 % | 78.6 % | -1.0 |
| May | 60 % | 59 % | +1.0 |
| Jun | 62.1 % | 61.6 % | +0.5 |
| Jul | 47.8 % | 47.4 % | +0.4 |
| Aug |
| 54.4 % |
| 54.3 % |
| +0.1 |
| Sep | 72.2 % | 72.6 % | -0.4 |
| Oct | 65 % | 65.5 % | -0.5 |
| Nov | – | – | – |
| Dec | – | – | – |