- Grenoble ›
- Weather by month
Grenoble Weather by Month
Average temperatures, rainfall and humidity for Grenoble, France, month by month, built from OpenWeather's historical records. Use it to see what a typical Grenoble month looks like before you travel — then check the live Grenoble forecast for the days ahead.
Warmest month
July
28°C average high
Coolest month
January
0°C average low
Wettest month
November
72 mm of rain
Driest month
February
36 mm of rain
Average temperature and rainfall in Grenoble by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 7°C | 0°C | -15°C / 19°C | 51 mm | 83% | 9 km/h |
| February | 10°C | 2°C | -14°C / 20°C | 36 mm | 79% | 9 km/h |
| March | 13°C | 3°C | -9°C / 23°C | 46 mm | 75% | 9 km/h |
| April | 17°C | 6°C | -5°C / 28°C | 51 mm | 71% | 8 km/h |
| May | 20°C | 10°C | -1°C / 33°C | 62 mm | 75% | 8 km/h |
| June | 26°C | 14°C | 4°C / 38°C | 51 mm | 70% | 7 km/h |
| July | 28°C | 16°C | 0°C / 39°C | 44 mm | 66% | 8 km/h |
| August | 28°C | 16°C | 5°C / 40°C | 51 mm | 67% | 8 km/h |
| September | 23°C | 13°C | 2°C / 35°C | 46 mm | 74% | 8 km/h |
| October | 18°C | 9°C | -8°C / 31°C | 66 mm | 80% | 8 km/h |
| November | 11°C | 4°C | -8°C / 24°C | 72 mm | 83% | 9 km/h |
| December | 8°C | 1°C | -13°C / 19°C | 51 mm | 83% | 9 km/h |
Best time to visit Grenoble
The most comfortable time to visit Grenoble is generally June and August to September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around November, totalling about 627 mm a year.
Travellers who prefer heat should aim for July, when highs average 28°C. November is the month to avoid if rain would spoil your plans — it averages 72 mm, roughly 2× the rainfall of February.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Grenoble forecast for what is happening now.