Neerslag — 2023
| Mois | Haarlemmermeer | Haarlem | Différence |
|---|---|---|---|
| Jan | – | – | – |
| Fév | – | – | – |
| Mar | 60.3 mm | 61.2 mm | -0.9 |
| Avr | 92.4 mm | 91 mm | +1.4 |
| Mai | 84.3 mm | 71.5 mm | +12.8 |
| Juin | 12.3 mm | 10.7 mm | +1.6 |
| Juil | 130.9 mm | 148.1 mm | -17.2 |
| Aoû |
| 94.3 mm |
| 110.7 mm |
| -16.4 |
| Sep | 83.7 mm | 89.5 mm | -5.8 |
| Oct | 188.6 mm | 185.4 mm | +3.2 |
| Nov | 166.5 mm | 159.2 mm | +7.3 |
| Déc | 128.8 mm | 129.1 mm | -0.3 |