Bewolking — 2026
| Month | Barendrecht | Ridderkerk | Difference |
|---|---|---|---|
| Jan | – | 78.3 % | – |
| Feb | – | 81.5 % | – |
| Mar | 63.2 % | 53.1 % | +10.1 |
| Apr | 78.7 % | 78.6 % | +0.1 |
| May | 59 % | 59 % | +0.0 |
| Jun | 61.6 % | 61.6 % | +0.0 |
| Jul | 47.4 % | 47.4 % | +0.0 |
| Aug |
| 54.3 % |
| 54.3 % |
| +0.0 |
| Sep | 72.6 % | 72.6 % | +0.0 |
| Oct | 65.3 % | 65.2 % | +0.1 |
| Nov | – | – | – |
| Dec | – | – | – |