Bewolking — 2020
| Month | Lierde | Geraardsbergen | Difference |
|---|---|---|---|
| Jan | 75 % | 74.1 % | +0.9 |
| Feb | 74 % | 75.4 % | -1.4 |
| Mar | 52.9 % | 53.8 % | -0.9 |
| Apr | 34.4 % | 32.9 % | +1.5 |
| May | 49 % | 49.5 % | -0.5 |
| Jun | 62.4 % | 63.4 % | -1.0 |
| Jul | 61.1 % | 61.2 % | -0.1 |
| Aug |
| 55.7 % |
| – |
| – |
| Sep | 55 % | – | – |
| Oct | 76.6 % | – | – |
| Nov | 64.6 % | – | – |
| Dec | 75.8 % | – | – |