Neerslag — 2020
| Month | Súdwest-Fryslân | Harlingen | Difference |
|---|---|---|---|
| Jan | 78.1 mm | 84.1 mm | -6.0 |
| Feb | 160.7 mm | 139.2 mm | +21.5 |
| Mar | 38.6 mm | 33.2 mm | +5.4 |
| Apr | 20.4 mm | 17.7 mm | +2.7 |
| May | 32.1 mm | 20.2 mm | +11.9 |
| Jun | 88.6 mm | 76.8 mm | +11.8 |
| Jul | 127 mm | 96.9 mm | +30.1 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |