Bewolking — 2008
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 79.4 % | – | – |
| Feb | 54.8 % | – | – |
| Mar | 76.9 % | – | – |
| Apr | 72.9 % | – | – |
| May | 54.3 % | – | – |
| Jun | 62.1 % | – | – |
| Jul | 62.9 % | – | – |
| Aug | 71.3 % | – | – |
| Sep |
| 60.9 % |
| – |
| – |
| Oct | 71 % | – | – |
| Nov | 82 % | – | – |
| Dec | 65.8 % | – | – |