Temperatuur — 2023
| Maand | Bertem | Leuven | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 7.6 °C | 8.2 °C | -0.6 |
| Apr | 8.5 °C | 8.5 °C | +0.0 |
| Mei | 13.3 °C | 13.3 °C | +0.0 |
| Jun | 20.1 °C | 20.1 °C | +0.0 |
| Jul | 18.6 °C | 18.6 °C | +0.0 |
| Aug |
| 18.1 °C |
| 18.1 °C |
| +0.0 |
| Sep | 18.7 °C | 18.7 °C | +0.0 |
| Okt | 13.8 °C | 13.8 °C | +0.0 |
| Nov | 7.7 °C | 7.7 °C | +0.0 |
| Dec | 6.7 °C | 6.7 °C | +0.0 |