Grenoble Climate by Month
Grenoble, Auvergne-Rhône-Alpes, France
Hot summers and cool winters, with rain spread through the year.
Hot summers and cool winters, with rain spread through the year: that's Grenoble's climate in short. July is the warmest month, with highs around 86°F (30°C); January is the coolest at 46°F (8°C), and nights dip to 31°F (0°C). About 35 in (894 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 86°F(30°C)
- Average high, July
- Coldest nights
- 31°F(0°C)
- Average low, January
- Rain per year
- 35 in(894 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: July
Best and worst months in Grenoble
Best for weatherMay and September are the best time for weather in Grenoble: highs near 75°F (24°C) and about 3.5 in (90 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 47°F (9°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Grenoble weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 46°F(8°C) | 31°F(0°C) | 2.5 in(63 mm) | 75% | 1.3 |
| FebFebruary | 50°F(10°C) | 32°F(0°C) | 2.2 in(55 mm) | 68% | 2.2 |
| MarMarch | 60°F(16°C) | 39°F(4°C) | 2.6 in(66 mm) | 66% | 3.5 |
| AprApril | 67°F(19°C) | 44°F(7°C) | 2.9 in(73 mm) | 60% | 4.8 |
| MayMayBest | 74°F(23°C) | 52°F(11°C) | 3.4 in(86 mm) | 61% | 5.5 |
| JunJune | 82°F(28°C) | 58°F(14°C) | 2.9 in(74 mm) | 60% | 6.4 |
| JulJuly | 86°F(30°C) | 61°F(16°C) | 2.2 in(57 mm) | 57% | 6.5 |
| AugAugust | 85°F(29°C) | 60°F(16°C) | 2.3 in(58 mm) | 59% | 5.7 |
| SepSeptemberBest | 75°F(24°C) | 54°F(12°C) | 3.7 in(94 mm) | 68% | 4.0 |
| OctOctober | 66°F(19°C) | 47°F(9°C) | 3.9 in(99 mm) | 77% | 2.5 |
| NovNovember | 54°F(12°C) | 39°F(4°C) | 3.8 in(97 mm) | 84% | 1.4 |
| DecDecember | 47°F(9°C) | 34°F(1°C) | 2.8 in(72 mm) | 81% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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