Bewolking — 2020
| Month | Stavelot | Trois-Ponts | Difference |
|---|---|---|---|
| Jan | 75.4 % | 77.1 % | -1.7 |
| Feb | 82 % | 82.2 % | -0.2 |
| Mar | 58.3 % | 59.3 % | -1.0 |
| Apr | 32.8 % | 31.9 % | +0.9 |
| May | 50.5 % | 50.1 % | +0.4 |
| Jun | 64.3 % | 63.4 % | +0.9 |
| Jul | 63.3 % | 61.8 % | +1.5 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |