Luchtvochtigheid — 2026
| Month | Heerde | Zwolle | Difference |
|---|---|---|---|
| Jan | – | 88.9 % | – |
| Feb | – | 87.2 % | – |
| Mar | 83.7 % | 82 % | +1.7 |
| Apr | 80.6 % | 73.4 % | +7.2 |
| May | 72.7 % | 72.7 % | +0.0 |
| Jun | 76.7 % | 76.7 % | +0.0 |
| Jul | 73.4 % | 73.4 % | +0.0 |
| Aug |
| 70.7 % |
| 70.7 % |
| +0.0 |
| Sep | 79.8 % | 75.9 % | +3.9 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |