Luchtvochtigheid — 2020
| Month | Súdwest-Fryslân | Harlingen | Difference |
|---|---|---|---|
| Jan | 89.1 % | 88.2 % | +0.9 |
| Feb | 81.4 % | 81 % | +0.4 |
| Mar | 76.1 % | 77.1 % | -1.0 |
| Apr | 71.5 % | 74.6 % | -3.1 |
| May | 73.7 % | 76.8 % | -3.1 |
| Jun | 77.3 % | 79.5 % | -2.2 |
| Jul | 77.1 % | 77.8 % | -0.7 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |