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