Temperatuur — 2020
| Month | Seraing | Grâce-Hollogne | Difference |
|---|---|---|---|
| Jan | 4.9 °C | 5.4 °C | -0.5 |
| Feb | 5.9 °C | 6.6 °C | -0.7 |
| Mar | 6.3 °C | 6.8 °C | -0.5 |
| Apr | 11.8 °C | 12.1 °C | -0.3 |
| May | 13.1 °C | 13.5 °C | -0.4 |
| Jun | 16.8 °C | 17.3 °C | -0.5 |
| Jul | 17.3 °C | 17.6 °C | -0.3 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |