Luchtvochtigheid — 2020
| Maand | Heemstede | Hillegom | Verschil |
|---|---|---|---|
| Jan | 88 % | 88 % | +0.0 |
| Feb | 79.9 % | 79.9 % | +0.0 |
| Mrt | 74.4 % | 74.4 % | +0.0 |
| Apr | 69.4 % | 69.4 % | +0.0 |
| Mei | 71.9 % | 71.9 % | +0.0 |
| Jun | 76.7 % | 76.7 % | +0.0 |
| Jul | 76.8 % | 76.8 % | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |