Bewolking — 2026
| Month | Haarlemmermeer | Haarlem | Difference |
|---|---|---|---|
| Jan | 81.1 % | 81.7 % | -0.6 |
| Feb | 78.6 % | 78.3 % | +0.3 |
| Mar | 58 % | 57.1 % | +0.9 |
| Apr | 75.7 % | 81.3 % | -5.6 |
| May | 59.1 % | 57.7 % | +1.4 |
| Jun | 60.6 % | 59.8 % | +0.8 |
| Jul | 50.6 % | 51.9 % | -1.3 |
| Aug |
| 53.1 % |
| 51.5 % |
| +1.6 |
| Sep | 71.1 % | 70.1 % | +1.0 |
| Oct | 66.3 % | 67.2 % | -0.9 |
| Nov | – | – | – |
| Dec | – | – | – |