Temperatuur — 2026
| Maand | Zoetermeer | Zoeterwoude | Verschil |
|---|---|---|---|
| Jan | 3 °C | – | – |
| Feb | 5.9 °C | – | – |
| Mrt | 8.7 °C | 7.3 °C | +1.4 |
| Apr | 10.2 °C | 8.9 °C | +1.3 |
| Mei | 14.5 °C | 14.5 °C | +0.0 |
| Jun | 18.8 °C | 18.8 °C | +0.0 |
| Jul | 19.8 °C | 19.8 °C | +0.0 |
| Aug |
| 19.3 °C |
| 19.3 °C |
| +0.0 |
| Sep | 17 °C | 17 °C | +0.0 |
| Okt | 12.7 °C | 12.4 °C | +0.3 |
| Nov | 10.5 °C | 9.4 °C | +1.1 |
| Dec | – | – | – |