Luchtvochtigheid — 2023
| Maand | Alphen aan den Rijn | Waddinxveen | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 95.5 % | 95 % | +0.5 |
| Apr | 77.2 % | 76.9 % | +0.3 |
| Mei | 78.3 % | 78.3 % | +0.0 |
| Jun | 66.9 % | 67.6 % | -0.7 |
| Jul | 75 % | 74.5 % | +0.5 |
| Aug |
| 80.5 % |
| 80.3 % |
| +0.2 |
| Sep | 80.9 % | 80.5 % | +0.4 |
| Okt | 84.4 % | 84.2 % | +0.2 |
| Nov | 86.6 % | 86.3 % | +0.3 |
| Dec | 87 % | 86.8 % | +0.2 |