Neerslag — 2020
| Mois | Haarlemmermeer | Aalsmeer | Différence |
|---|---|---|---|
| Jan | 62.1 mm | 62.1 mm | +0.0 |
| Fév | 132.9 mm | 132.9 mm | +0.0 |
| Mar | 49.7 mm | 49.7 mm | +0.0 |
| Avr | 24.2 mm | 24.2 mm | +0.0 |
| Mai | 22.2 mm | 22.2 mm | +0.0 |
| Juin | 71.5 mm | 71.5 mm | +0.0 |
| Juil | 72.7 mm | 72.7 mm | +0.0 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |