Temperatuur — 2025
| Maand | Purmerend | Oostzaan | Verschil |
|---|---|---|---|
| Jan | 3.8 °C | 3.7 °C | +0.1 |
| Feb | 3.9 °C | 3.7 °C | +0.2 |
| Mrt | 6.8 °C | 6.5 °C | +0.3 |
| Apr | 10.7 °C | 10.5 °C | +0.2 |
| Mei | 13.4 °C | 13.2 °C | +0.2 |
| Jun | 17.6 °C | 17.3 °C | +0.3 |
| Jul | 18.6 °C | 18.3 °C | +0.3 |
| Aug |
| 18.2 °C |
| 17.8 °C |
| +0.4 |
| Sep | 15.3 °C | 14.9 °C | +0.4 |
| Okt | 12.2 °C | 12.1 °C | +0.1 |
| Nov | 7.9 °C | 7.6 °C | +0.3 |
| Dec | 6.2 °C | 6 °C | +0.2 |