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When is the best time to visit Grenoble?
In general the best time to visit Grenoble is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +28°C in July and it has 8 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during May - October.
- If you want to avoid wet weather, then your choice is October, November, December with the lowest chance of rain.
Average weather in Grenoble in different months
This is the average weather in Grenoble for each month based on historic data:
April, June, July, August usually has good weather. Average maximum temperature reaches +28°C during July.
In January, February, March, May, September, October, November, December the weather is average. Expect around 114 rainy days, and the precipitation amounts to approximately 138 mm in May.
Climate in Grenoble
Here is the detailed breakdown of the climate in Grenoble for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +19°C | +21°C | +25°C | +31°C | +34°C | +37°C | +38°C | +39°C | +34°C | +29°C | +23°C | +20°C |
| Average Maximum Temperature | |||||||||||
| +7°C | +9°C | +13°C | +17°C | +21°C | +25°C | +28°C | +27°C | +23°C | +19°C | +12°C | +8°C |
| Minimum Temperature | |||||||||||
| -22°C | -17°C | -13°C | -3°C | 0°C | +5°C | +9°C | +8°C | +4°C | -1°C | -14°C | -18°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 81 | 77 | 74 | 72 | 75 | 73 | 71 | 73 | 78 | 81 | 83 | 83 |
| Rain, mm | |||||||||||
| 101 | 85 | 101 | 116 | 138 | 112 | 95 | 96 | 102 | 124 | 128 | 123 |
| Snow, mm | |||||||||||
| 12 | 7 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 |
| Average wind speed, m/s | |||||||||||
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sunny Days | |||||||||||
| 4 | 5 | 5 | 4 | 3 | 4 | 8 | 8 | 6 | 3 | 3 | 4 |
| Cloud Days | |||||||||||
| 11 | 10 | 9 | 7 | 7 | 7 | 7 | 8 | 10 | 12 | 12 | 11 |
| Rainy Days | |||||||||||
| 12 | 10 | 15 | 18 | 21 | 18 | 16 | 16 | 14 | 15 | 14 | 13 |
| Snowy Days | |||||||||||
| 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
Average Temperature
Here are the average maximum and minimum temperatures in Grenoble during the whole year:
The hottest month in Grenoble is July with average maximum temperature going up to +28°C. The coldest month is January with the lowest temperatures of 0°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Grenoble looks throughout the year, in %:
The most humid month in Grenoble is December with average humidity going up to 83%. The least humid month is July with an average humidity of 71%.
Rain
Amount of rainfall in mm. in Grenoble during the whole year based on historical data:
The sunniest and driest month is July with approximately 8 sunny days and a total precipitation of around 95 mm. The rainiest and wettest month is May with approximately 21 rainy days and 138 mm of total precipitation.
Snow
Amount of snow in mm. in Grenoble during the whole year based on historical data:
The snowiest month is January with approximately 5 snowy days.
FAQ
Frequently asked questions about the weather in Grenoble:
What is the hottest month in Grenoble?
The hottest month in Grenoble is July with average maximum temperature of +28°C.
What is the coldest month in Grenoble?
The coldest month in Grenoble is January with minimum temperatures of 0°C.
Is Grenoble worth visiting in winter?
Winter in Grenoble could be a good time to visit, as the weather is generally ok.
When does it rain the least in Grenoble?
if you're looking to visit Grenoble when it rains the least, you should plan your trip for May, November, October. During this time, rainfall is rare with the driest month being February with only 85 mm of rain.
Other cities in France
Check out the weather for other cities in France.
Monthly weather in Grenoble
Source of the data
For this page, we’ve looked at the typical weather in Grenoble, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.