Neerslag — 2026
| Monat | Haarlem | Heemstede | Unterschied |
|---|---|---|---|
| Jan | 90.4 mm | – | – |
| Feb | 79.8 mm | – | – |
| Mär | 36.6 mm | 1.6 mm | +35.0 |
| Apr | 4.3 mm | 8.5 mm | -4.2 |
| Mai | 49.5 mm | 39.4 mm | +10.1 |
| Jun | 100.9 mm | 73 mm | +27.9 |
| Jul | 9.2 mm | 15.6 mm | -6.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |