Bewolking — 2020
| Maand | Court-Saint-Étienne | Mont-Saint-Guibert | Verschil |
|---|---|---|---|
| Jan | 72.3 % | 72.3 % | +0.0 |
| Feb | 75.8 % | 75.7 % | +0.1 |
| Mrt | 54.8 % | 54.5 % | +0.3 |
| Apr | 34.5 % | 33.7 % | +0.8 |
| Mei | 49.1 % | 48.7 % | +0.4 |
| Jun | 63.2 % | 63.1 % | +0.1 |
| Jul | 61.3 % | 61.3 % | +0.0 |
| Aug |
| 57.6 % |
| – |
| – |
| Sep | 56.4 % | – | – |
| Okt | 79.2 % | – | – |
| Nov | 64.8 % | – | – |
| Dec | 80.4 % | – | – |