Climate in Grenoble: average temperature by month
In Grenoble the warmest month is July, with 24.6 °C on average in the afternoon; the coolest is January, with 4.8 °C.
The average of the weather stations Lyon - St Exupery (79 km), Col Du Grand St-Bernard (137 km) and Marseille Obs. Palais-Lonchamp (210 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 4.8 °C | 4.4 °C – 5.5 °C |
| February | 6.8 °C | 5.6 °C – 8.0 °C |
| March | 10.1 °C | 8.1 °C – 11.6 °C |
| April | 13.4 °C | 11.8 °C – 14.9 °C |
| May | 17.4 °C | 15.0 °C – 19.9 °C |
| June | 22.0 °C | 20.0 °C – 24.0 °C |
| July | 24.6 °C | 24.0 °C – 25.3 °C |
| August | 24.3 °C | 22.6 °C – 25.1 °C |
| September | 20.0 °C | 17.1 °C – 22.4 °C |
| October | 15.0 °C | 12.4 °C – 16.9 °C |
| November | 8.8 °C | 6.2 °C – 12.1 °C |
| December | 5.6 °C | 5.1 °C – 6.1 °C |