Temperatuur — 2023
| Month | Seraing | Flémalle | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 7.1 °C | 7.6 °C | -0.5 |
| Apr | 7.9 °C | 7.9 °C | +0.0 |
| May | 12.9 °C | 12.8 °C | +0.1 |
| Jun | 19.5 °C | 19.4 °C | +0.1 |
| Jul | 18.3 °C | 18.3 °C | +0.0 |
| Aug |
| 17.6 °C |
| 17.6 °C |
| +0.0 |
| Sep | 18.1 °C | 18.1 °C | +0.0 |
| Oct | 13.1 °C | 13.1 °C | +0.0 |
| Nov | 6.9 °C | 6.9 °C | +0.0 |
| Dec | 5.8 °C | 5.8 °C | +0.0 |