Temperatuur — 2026
| Monat | Den Haag | Wassenaar | Unterschied |
|---|---|---|---|
| Jan | 3.4 °C | – | – |
| Feb | 6 °C | – | – |
| Mär | 8.8 °C | 7.9 °C | +0.9 |
| Apr | 10.1 °C | 9.2 °C | +0.9 |
| Mai | 14.4 °C | 13.3 °C | +1.1 |
| Jun | 18.4 °C | 17.3 °C | +1.1 |
| Jul | 19.7 °C | 19 °C | +0.7 |
| Aug |
| 19.5 °C |
| 19.4 °C |
| +0.1 |
| Sep | 17.4 °C | 17.8 °C | -0.4 |
| Okt | 13.1 °C | 14 °C | -0.9 |
| Nov | 11.2 °C | 10.2 °C | +1.0 |
| Dez | – | – | – |