Bewolking — 2026
| Month | Harlingen | Súdwest-Fryslân | Difference |
|---|---|---|---|
| Jan | – | 83.1 % | – |
| Feb | – | 83.7 % | – |
| Mar | 57.5 % | 57.7 % | -0.2 |
| Apr | 75.4 % | 78.1 % | -2.7 |
| May | 53.1 % | 54 % | -0.9 |
| Jun | 58.7 % | 59.7 % | -1.0 |
| Jul | 56.4 % | 55.5 % | +0.9 |
| Aug |
| 49 % |
| 50.8 % |
| -1.8 |
| Sep | 67.4 % | 67.3 % | +0.1 |
| Oct | 67.9 % | 68.4 % | -0.5 |
| Nov | – | – | – |
| Dec | – | – | – |