Neerslag — 2020
| Month | Vlieland | Harlingen | Difference |
|---|---|---|---|
| Jan | 83 mm | 84.1 mm | -1.1 |
| Feb | 133.8 mm | 139.2 mm | -5.4 |
| Mar | 29.3 mm | 33.2 mm | -3.9 |
| Apr | 16 mm | 17.7 mm | -1.7 |
| May | 15 mm | 20.2 mm | -5.2 |
| Jun | 63 mm | 76.8 mm | -13.8 |
| Jul | 84 mm | 96.9 mm | -12.9 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |