Temperatuur — 2026
| Monat | Honnelles | Boussu | Unterschied |
|---|---|---|---|
| Jan | 3.5 °C | 4.1 °C | -0.6 |
| Feb | 7.2 °C | 7.6 °C | -0.4 |
| Mär | 7.8 °C | 8.3 °C | -0.5 |
| Apr | 10.4 °C | 12 °C | -1.6 |
| Mai | 15.2 °C | 15.5 °C | -0.3 |
| Jun | 19.5 °C | 19.9 °C | -0.4 |
| Jul | 20.5 °C | 21.1 °C | -0.6 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |