Bewolking — 2026
| Month | Hendrik-Ido-Ambacht | Zwijndrecht | Difference |
|---|---|---|---|
| Jan | – | 76.7 % | – |
| Feb | – | 81.4 % | – |
| Mar | 65.2 % | 55.2 % | +10.0 |
| Apr | 77.6 % | 58.5 % | +19.1 |
| May | 60 % | 59.2 % | +0.8 |
| Jun | 62.1 % | 62.2 % | -0.1 |
| Jul | 47.8 % | 43.9 % | +3.9 |
| Aug |
| 54.4 % |
| 54 % |
| +0.4 |
| Sep | 72.2 % | 70.7 % | +1.5 |
| Oct | 64.6 % | 61.8 % | +2.8 |
| Nov | – | – | – |
| Dec | – | – | – |