Bewolking — 2020
| Month | Gerpinnes | Châtelet | Difference |
|---|---|---|---|
| Jan | 71.8 % | 71.9 % | -0.1 |
| Feb | 79.2 % | 77.6 % | +1.6 |
| Mar | 56.3 % | 55.7 % | +0.6 |
| Apr | 34.3 % | 34.7 % | -0.4 |
| May | 50.2 % | 50.3 % | -0.1 |
| Jun | 64.6 % | 63.2 % | +1.4 |
| Jul | 62.8 % | 62.4 % | +0.4 |
| Aug |
| – |
| 58.5 % |
| – |
| Sep | – | 58.4 % | – |
| Oct | – | 80.7 % | – |
| Nov | – | 64.6 % | – |
| Dec | – | 83.1 % | – |