Grenoble climate
Grenoble (Auvergne-Rhône-Alpes, France) has a humid subtropical climate (Köppen Cfa). The average temperature over the year is 13 °C56 °F, and about 857 mm34 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Grenoble climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 847 | 133 | 540 | 702.8 |
| Feb | 949 | 033 | 541 | 572.2 |
| Mar | 1457 | 338 | 948 | 682.7 |
| Apr | 1864 | 744 | 1254 | 652.6 |
| May | 2271 | 1151 | 1661 | 883.5 |
| Jun | 2679 | 1559 | 2169 | 652.6 |
| Jul | 2883 | 1762 | 2373 | 562.2 |
| Aug | 2883 | 1661 | 2272 | 582.3 |
| Sep | 2475 | 1355 | 1865 | 672.6 |
| Oct | 2068 | 949 | 1558 | 853.3 |
| Nov | 1356 | 541 | 948 | 1004.0 |
| Dec | 949 | 235 | 542 | 773.0 |
| Year | 2883 | 033 | 1356 | 85734 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 86% | 73% | 1.3 | 9:07 |
| Feb | 83% | 69% | 2.2 | 10:20 |
| Mar | 80% | 64% | 3.5 | 11:47 |
| Apr | 77% | 63% | 4.7 | 13:27 |
| May | 77% | 68% | 5.4 | 14:51 |
| Jun | 75% | 58% | 6.4 | 15:37 |
| Jul | 71% | 50% | 6.4 | 15:18 |
| Aug | 70% | 51% | 5.5 | 14:04 |
| Sep | 74% | 55% | 4.1 | 12:27 |
| Oct | 78% | 66% | 2.6 | 10:51 |
| Nov | 84% | 73% | 1.5 | 9:27 |
| Dec | 85% | 72% | 1.1 | 8:46 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Grenoble is like
The warmest month is July, with an average high of 28 °C83 °F and a low of 17 °C62 °F. The coldest is January, when highs average 8 °C47 °F and lows 1 °C33 °F. Seasons are strongly marked: the warmest month is on average 18 °C32.5 °F warmer than the coldest.
Annual precipitation is moderate at about 857 mm34 in. Rain is spread fairly evenly through the year. The wettest month is November (100 mm4.0 in), the driest is July (56 mm2.2 in).
Relative humidity ranges from 70% in August to 86% in January. The clearest skies (lowest average cloud amount, 50%) are typical of July. Average wind speed near the ground ranges from 1 km/h (1 mph) in May to 2 km/h (1 mph) in February. Daylight lasts from about 8.8 hours in December to 15.6 hours in June.
Best time to visit Grenoble
Based on these averages, the most comfortable months for sightseeing and outdoor activities are May–October: average highs of 20 °C68 °F to 28 °C83 °F with 56 mm2.2 in to 88 mm3.5 in of precipitation per month.
The most challenging month is January, which is cold, with average highs of 8 °C47 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Grenoble
- Winter (December–February) — highs 847 to 9 °C49 °F, lows 033 to 2 °C35 °F, about 68 mm2.7 in of precipitation a month. Pack a warm coat, layers and closed shoes.
- Spring (March–May) — highs 1457 to 22 °C71 °F, lows 338 to 11 °C51 °F, about 74 mm2.9 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket and an extra layer for the cooler mornings and evenings.
- Summer (June–August) — highs 2679 to 28 °C83 °F, lows 1559 to 17 °C62 °F, about 60 mm2.4 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
- Autumn (September–November) — highs 1356 to 24 °C75 °F, lows 541 to 13 °C55 °F, about 84 mm3.3 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
How Grenoble compares
Compared with Lyon, about 93 km to the northwest, Grenoble is on average 0.9 °C1.6 °F warmer and receives 9% more precipitation (857 mm34 in vs 786 mm31 in). The difference is largest in December (1.4 °C2.6 °F warmer).
Of the 36 places in France covered by World Climates, Grenoble is the 9th warmest by annual mean temperature and the 4th wettest by annual precipitation. See all of them on the France climate page.
Places in other countries with the most similar temperature and rainfall pattern: Perugia (Italy, Csa), Rijeka (Croatia, Cfa) and Novara (Italy, Cfa).
Nearby places
- Villeurbanne 92 km · 12 °C54 °F · 842 mm33 in
- Lyon 93 km · 12 °C54 °F · 786 mm31 in
- Saint-Étienne 107 km · 11 °C51 °F · 695 mm27 in
- Geneva 119 km · 12 °C53 °F · 1,107 mm44 in
- Turin 155 km · 14 °C58 °F · 778 mm31 in
- Lausanne 165 km · 11 °C52 °F · 1,175 mm46 in
- Nîmes 184 km · 15 °C58 °F · 740 mm29 in
- Nice 205 km · 17 °C63 °F · 682 mm27 in
Frequently asked questions
What is the warmest month in Grenoble?
July is the warmest month in Grenoble, with an average high of 28 °C (83 °F) and an average low of 17 °C (62 °F).
What is the coldest month in Grenoble?
January is the coldest month, with an average high of 8 °C (47 °F) and an average low of 1 °C (33 °F).
When does it rain the most in Grenoble?
November is the wettest month with about 100 mm (4.0 in) of precipitation; July is the driest with about 56 mm (2.2 in).
What is the best time to visit Grenoble?
Judging by long-term averages, the most comfortable months are May–October.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 1,047 m, while Grenoble lies at about 218 m. Temperatures on this page were therefore adjusted by +5.4 °C9.7 °F using the standard lapse rate of 6.5 °C per 1,000 m.