Neerslag — 2020
| Month | Opmeer | Hoorn | Difference |
|---|---|---|---|
| Jan | 64.8 mm | 64.8 mm | +0.0 |
| Feb | 139.7 mm | 139.7 mm | +0.0 |
| Mar | 34.4 mm | 34.4 mm | +0.0 |
| Apr | 20.3 mm | 20.3 mm | +0.0 |
| May | 16.2 mm | 16.2 mm | +0.0 |
| Jun | 59.2 mm | 59.2 mm | +0.0 |
| Jul | 86.8 mm | 86.8 mm | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |