Temperatuur — 2026
| Mois | Hoorn | Koggenland | Différence |
|---|---|---|---|
| Jan | 2 °C | – | – |
| Fév | 4.8 °C | – | – |
| Mar | 7.9 °C | 7 °C | +0.9 |
| Avr | 9 °C | 8.6 °C | +0.4 |
| Mai | 13.6 °C | 13.6 °C | +0.0 |
| Juin | 17.9 °C | 17.9 °C | +0.0 |
| Juil | 19 °C | 18.8 °C | +0.2 |
| Aoû |
| 19 °C |
| 17.8 °C |
| +1.2 |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |