Bewolking — 2020
| Month | Bouillon | Paliseul | Difference |
|---|---|---|---|
| Jan | 72.5 % | 74.6 % | -2.1 |
| Feb | 81.1 % | 81.3 % | -0.2 |
| Mar | 56.3 % | 58.2 % | -1.9 |
| Apr | 31.1 % | 32.7 % | -1.6 |
| May | 49.2 % | 49.7 % | -0.5 |
| Jun | 63.5 % | 64 % | -0.5 |
| Jul | 61.5 % | 62.6 % | -1.1 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |