Bewolking — 2015
| Month | Ottignies-Louvain-la-Neuve | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | – | 77.3 % | – |
| Feb | – | 66 % | – |
| Mar | – | 62.6 % | – |
| Apr | – | 53.3 % | – |
| May | – | 68.3 % | – |
| Jun | – | 60.3 % | – |
| Jul | – | 58.7 % | – |
| Aug | – | 65.1 % | – |
| Sep |
| – |
| 57.9 % |
| – |
| Oct | – | 75.4 % | – |
| Nov | – | 72.5 % | – |
| Dec | – | 76.1 % | – |