Bewolking — 2026
| Maand | Ridderkerk | Krimpen aan den IJssel | Verschil |
|---|---|---|---|
| Jan | 78.3 % | 78.4 % | -0.1 |
| Feb | 81.5 % | 81.1 % | +0.4 |
| Mrt | 53.1 % | 53.3 % | -0.2 |
| Apr | 78.6 % | 78.8 % | -0.2 |
| Mei | 59 % | 58.6 % | +0.4 |
| Jun | 61.6 % | 61 % | +0.6 |
| Jul | 47.4 % | 49.2 % | -1.8 |
| Aug |
| 54.3 % |
| 53.9 % |
| +0.4 |
| Sep | 73.6 % | 74.4 % | -0.8 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |