Neerslag — 2020
| Maand | Heemstede | Bloemendaal | Verschil |
|---|---|---|---|
| Jan | 69.1 mm | 86.5 mm | -17.4 |
| Feb | 126.9 mm | 147.4 mm | -20.5 |
| Mrt | 45.3 mm | 46.6 mm | -1.3 |
| Apr | 25.5 mm | 24.6 mm | +0.9 |
| Mei | 16.9 mm | 22.9 mm | -6.0 |
| Jun | 64.4 mm | 70.8 mm | -6.4 |
| Jul | 71.2 mm | 88.2 mm | -17.0 |
| Aug | – | – | – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |