Gevoelstemperatuur — 2026
| Maand | Katwijk | Wassenaar | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 3.5 °C | 3.4 °C | +0.1 |
| Apr | 6 °C | 5.9 °C | +0.1 |
| Mei | 13.3 °C | 12.8 °C | +0.5 |
| Jun | 18.2 °C | 17.3 °C | +0.9 |
| Jul | 19.3 °C | 19 °C | +0.3 |
| Aug |
| 19.4 °C |
| 19.5 °C |
| -0.1 |
| Sep | 16.9 °C | 16.9 °C | +0.0 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |