Temperatuur — 2020
| Maand | Grâce-Hollogne | Flémalle | Verschil |
|---|---|---|---|
| Jan | 5.4 °C | 4.9 °C | +0.5 |
| Feb | 6.6 °C | 5.9 °C | +0.7 |
| Mrt | 6.8 °C | 6.3 °C | +0.5 |
| Apr | 12.1 °C | 11.8 °C | +0.3 |
| Mei | 13.5 °C | 13.1 °C | +0.4 |
| Jun | 17.3 °C | 16.8 °C | +0.5 |
| Jul | 17.6 °C | 17.3 °C | +0.3 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |