Temperatuur — 2026
| Monat | Bouillon | Bièvre | Unterschied |
|---|---|---|---|
| Jan | 1.8 °C | 1.6 °C | +0.2 |
| Feb | 5.7 °C | 5.3 °C | +0.4 |
| Mär | 7.9 °C | 7.3 °C | +0.6 |
| Apr | 7.4 °C | 6.4 °C | +1.0 |
| Mai | 14.5 °C | 14.1 °C | +0.4 |
| Jun | 19.6 °C | 19 °C | +0.6 |
| Jul | 20.6 °C | 19.5 °C | +1.1 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |