Temperatuur — 2026
| Monat | Haarlemmermeer | Haarlem | Unterschied |
|---|---|---|---|
| Jan | 3 °C | 3 °C | +0.0 |
| Feb | 5.6 °C | 5.4 °C | +0.2 |
| Mär | 8.6 °C | 8.6 °C | +0.0 |
| Apr | 10 °C | 10 °C | +0.0 |
| Mai | 14 °C | 13.5 °C | +0.5 |
| Jun | 18.3 °C | 17.8 °C | +0.5 |
| Jul | 19.7 °C | 19.3 °C | +0.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |