Temperatuur — 2026
| Month | Bergen (NH) | Castricum | Difference |
|---|---|---|---|
| Jan | – | 2.9 °C | – |
| Feb | – | 5.1 °C | – |
| Mar | 7.4 °C | 7.9 °C | -0.5 |
| Apr | 8.3 °C | 9.4 °C | -1.1 |
| May | 13.2 °C | 13.5 °C | -0.3 |
| Jun | 17.3 °C | 17.8 °C | -0.5 |
| Jul | 18.7 °C | 18.9 °C | -0.2 |
| Aug |
| 18.9 °C |
| 19 °C |
| -0.1 |
| Sep | 16.9 °C | 17.5 °C | -0.6 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |