Luchtvochtigheid — 2026
| Maand | Heiloo | Alkmaar | Verschil |
|---|---|---|---|
| Jan | – | 86.5 % | – |
| Feb | – | 87.1 % | – |
| Mrt | 82.9 % | 81.5 % | +1.4 |
| Apr | 80.9 % | 76.7 % | +4.2 |
| Mei | 75.6 % | 76.6 % | -1.0 |
| Jun | 79.8 % | 80.1 % | -0.3 |
| Jul | 78.3 % | 78.3 % | +0.0 |
| Aug |
| 73.8 % |
| 73.7 % |
| +0.1 |
| Sep | 78.5 % | 75.9 % | +2.6 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |