Bewolking — 2020
| Month | Bastogne | Fauvillers | Difference |
|---|---|---|---|
| Jan | 79 % | 77.8 % | +1.2 |
| Feb | 82.2 % | 81.4 % | +0.8 |
| Mar | 58.7 % | 57.5 % | +1.2 |
| Apr | 31.5 % | 29.8 % | +1.7 |
| May | 50.1 % | 50.1 % | +0.0 |
| Jun | 63.7 % | 62.8 % | +0.9 |
| Jul | 61.9 % | 61.5 % | +0.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |