Bewolking — 2020
| Maand | Voorst | Deventer | Verschil |
|---|---|---|---|
| Jan | 80.9 % | 80.5 % | +0.4 |
| Feb | 75.9 % | 76.4 % | -0.5 |
| Mrt | 54.4 % | 54.6 % | -0.2 |
| Apr | 39 % | 39 % | +0.0 |
| Mei | 50.3 % | 50.8 % | -0.5 |
| Jun | 69.8 % | 70.2 % | -0.4 |
| Jul | 65.9 % | 65.7 % | +0.2 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |