Bewolking — 2020
| Month | Sint-Gillis-Waas | Sint-Niklaas | Difference |
|---|---|---|---|
| Jan | 76 % | 76.4 % | -0.4 |
| Feb | 74.5 % | 75.2 % | -0.7 |
| Mar | 51.9 % | 52.2 % | -0.3 |
| Apr | 35.7 % | 33.7 % | +2.0 |
| May | 47.5 % | 47.6 % | -0.1 |
| Jun | 63.4 % | 64 % | -0.6 |
| Jul | 62.3 % | 61.9 % | +0.4 |
| Aug |
| 56.9 % |
| – |
| – |
| Sep | 56.2 % | – | – |
| Oct | 77 % | – | – |
| Nov | 64.7 % | – | – |
| Dec | 75.3 % | – | – |