Bewolking — 2023
| Maand | Aartselaar | Boom | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 86.5 % | 84.3 % | +2.2 |
| Apr | 67.9 % | 67.7 % | +0.2 |
| Mei | 60.9 % | 61.3 % | -0.4 |
| Jun | 43 % | 42.2 % | +0.8 |
| Jul | 64.4 % | 63.6 % | +0.8 |
| Aug |
| 61.4 % |
| 61 % |
| +0.4 |
| Sep | 58.6 % | 57.8 % | +0.8 |
| Okt | 77.4 % | 77.2 % | +0.2 |
| Nov | 74.5 % | 74.4 % | +0.1 |
| Dec | 83.8 % | 83.9 % | -0.1 |