Bewolking — 2018
| Maand | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Verschil |
|---|---|---|---|
| Jan | 80.6 % | – | – |
| Feb | 49.6 % | – | – |
| Mrt | 81 % | – | – |
| Apr | 65.1 % | – | – |
| Mei | 51.3 % | – | – |
| Jun | 63.5 % | – | – |
| Jul | 44.4 % | – | – |
| Aug | 57 % | – | – |
| Sep |
| 56 % |
| – |
| – |
| Okt | 61.9 % | – | – |
| Nov | 64.6 % | – | – |
| Dec | 74.3 % | – | – |