Gevoelstemperatuur — 2026
| Maand | Alphen aan den Rijn | Kaag en Braassem | Verschil |
|---|---|---|---|
| Jan | -1.1 °C | – | – |
| Feb | 2.2 °C | – | – |
| Mrt | 5 °C | 3.4 °C | +1.6 |
| Apr | 6.2 °C | 6.1 °C | +0.1 |
| Mei | 10.3 °C | 13.5 °C | -3.2 |
| Jun | 19.1 °C | 18.6 °C | +0.5 |
| Jul | 19.5 °C | 19.2 °C | +0.3 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |