Bewolking — 2023
| Maand | Lansingerland | Rotterdam | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 100 % | 84.9 % | +15.1 |
| Apr | 67.1 % | 67.4 % | -0.3 |
| Mei | 62.1 % | 61.5 % | +0.6 |
| Jun | 43.2 % | 43.6 % | -0.4 |
| Jul | 63.5 % | 63.8 % | -0.3 |
| Aug |
| 59.4 % |
| 59.6 % |
| -0.2 |
| Sep | 64 % | 63.5 % | +0.5 |
| Okt | 82.2 % | 81.5 % | +0.7 |
| Nov | 77 % | 77.4 % | -0.4 |
| Dec | 82.7 % | 83.1 % | -0.4 |