Bewolking — 2026
| Month | Heerenveen | Weststellingwerf | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 72.4 % | 68.3 % | +4.1 |
| Apr | 74.2 % | 76 % | -1.8 |
| May | 56.4 % | 56.4 % | +0.0 |
| Jun | 62.4 % | 62.4 % | +0.0 |
| Jul | 58.3 % | 58.3 % | +0.0 |
| Aug |
| 53 % |
| 53 % |
| +0.0 |
| Sep | 68.3 % | 68.3 % | +0.0 |
| Oct | 70.3 % | 70.4 % | -0.1 |
| Nov | – | – | – |
| Dec | – | – | – |