Neerslag — 2020
| Month | Heiloo | Bergen (NH) | Difference |
|---|---|---|---|
| Jan | 65 mm | 71.4 mm | -6.4 |
| Feb | 131.9 mm | 138.8 mm | -6.9 |
| Mar | 48.9 mm | 36.2 mm | +12.7 |
| Apr | 24.6 mm | 21.2 mm | +3.4 |
| May | 18.9 mm | 14.7 mm | +4.2 |
| Jun | 68.7 mm | 56.2 mm | +12.5 |
| Jul | 76.8 mm | 80.5 mm | -3.7 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |