Neerslag — 2020
| Maand | Bloemendaal | Haarlem | Verschil |
|---|---|---|---|
| Jan | 86.5 mm | 65 mm | +21.5 |
| Feb | 147.4 mm | 131.9 mm | +15.5 |
| Mrt | 46.6 mm | 48.9 mm | -2.3 |
| Apr | 24.6 mm | 24.6 mm | +0.0 |
| Mei | 22.9 mm | 18.9 mm | +4.0 |
| Jun | 70.8 mm | 68.7 mm | +2.1 |
| Jul | 88.2 mm | 76.8 mm | +11.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |