Temperatuur — 2026
| Monat | Leiderdorp | Leiden | Unterschied |
|---|---|---|---|
| Jan | – | 3.1 °C | – |
| Feb | – | 5.8 °C | – |
| Mär | 7.7 °C | 8.7 °C | -1.0 |
| Apr | 9.2 °C | 10.2 °C | -1.0 |
| Mai | 13.8 °C | 13.8 °C | +0.0 |
| Jun | 18 °C | 18 °C | +0.0 |
| Jul | 19 °C | 19.4 °C | -0.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |