Temperatuur — 2026
| Mois | Harlingen | Terschelling | Différence |
|---|---|---|---|
| Jan | – | – | – |
| Fév | – | – | – |
| Mar | 7.7 °C | 7.6 °C | +0.1 |
| Avr | 8.5 °C | 8.3 °C | +0.2 |
| Mai | 12.7 °C | 12.7 °C | +0.0 |
| Juin | 17 °C | 17 °C | +0.0 |
| Juil | 18.4 °C | 18.4 °C | +0.0 |
| Aoû |
| 18.9 °C |
| 18.9 °C |
| +0.0 |
| Sep | 18 °C | 18 °C | +0.0 |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |