Temperatuur — 2026
| Month | Lansingerland | Rotterdam | Difference |
|---|---|---|---|
| Jan | 3 °C | 3.2 °C | -0.2 |
| Feb | 6 °C | 6.1 °C | -0.1 |
| Mar | 8.2 °C | 9.1 °C | -0.9 |
| Apr | 9.6 °C | 10.4 °C | -0.8 |
| May | 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 | 17.4 °C | 18.1 °C | -0.7 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |