Neerslag — 2026
| Mois | Haarlemmermeer | Haarlem | Différence |
|---|---|---|---|
| Jan | 101.9 mm | 90.4 mm | +11.5 |
| Fév | 62.7 mm | 79.8 mm | -17.1 |
| Mar | 35 mm | 36.6 mm | -1.6 |
| Avr | 5.8 mm | 4.3 mm | +1.5 |
| Mai | 52.1 mm | 49.5 mm | +2.6 |
| Juin | 86.4 mm | 100.9 mm | -14.5 |
| Juil | 11.2 mm | 9.2 mm | +2.0 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |