Neerslag — 2026
| Maand | Bloemendaal | Heemstede | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 0.6 mm | 1.6 mm | -1.0 |
| Apr | 3.9 mm | 8.5 mm | -4.6 |
| Mei | 41.4 mm | 39.4 mm | +2.0 |
| Jun | 76.9 mm | 73 mm | +3.9 |
| Jul | 17.7 mm | 14.6 mm | +3.1 |
| Aug |
| 110 mm |
| 81 mm |
| +29.0 |
| Sep | 48.8 mm | 43.8 mm | +5.0 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |