Weather in Grenoble for August 2026
In general, the average temperature in Grenoble at the beginning of August is 23.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.4 °C by the end of August.
The climate of Grenoble in August is notably wet, with an average of 14 rainy days, and a total of 90.5 mm of precipitation.
Is August a good time to visit Grenoble? check out the best time to travel to Grenoble page.
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Grenoble Weather August
Temperatures trend during August in Grenoble
August weather in Grenoble day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 28° /9° | 0 mm | 7 | |
| 2 Aug. |  Partly cloudy | 25° /11° | 1.1 mm | 6 | |
| 3 Aug. |  Overcast | 22° /10° | 0.7 mm | 5 | |
| 4 Aug. |  Moderate or heavy rain shower | 21° /9° | 4.8 mm | 5 | |
| 5 Aug. | Sunny | 24° /11° | 0.2 mm | 6 | |
| 6 Aug. |  Patchy rain possible | 23° /11° | 0.6 mm | 5 | |
| 7 Aug. | Partly cloudy | 24° /10° | 0.7 mm | 6 | |
| 8 Aug. | Sunny | 26° /12° | 0 mm | 7 | |
| 9 Aug. | Sunny | 28° /14° | 0 mm | 7 | |
| 10 Aug. | Sunny | 30° /17° | 0 mm | 7 | |
| 11 Aug. | Patchy rain possible | 31° /17° | 0.6 mm | 7 | |
| 12 Aug. | Sunny | 31° /15° | 0.3 mm | 8 | |
| 13 Aug. | Partly cloudy | 31° /14° | 3.1 mm | 7 | |
| 14 Aug. | Sunny | 28° /14° | 3.4 mm | 7 | |
| 15 Aug. | Sunny | 28° /14° | 3.3 mm | 6 | |
| 16 Aug. | Sunny | 27° /15° | 2.7 mm | 7 | |
| 17 Aug. | Partly cloudy | 27° /14° | 2.9 mm | 7 | |
| 18 Aug. | Sunny | 25° /12° | 0.7 mm | 6 | |
| 19 Aug. | Sunny | 26° /13° | 2.6 mm | 6 | |
| 20 Aug. | Sunny | 26° /13° | 5.7 mm | 6 | |
| 21 Aug. | Sunny | 24° /13° | 2.5 mm | 6 | |
| 22 Aug. | Sunny | 27° /13° | 0.1 mm | 7 | |
| 23 Aug. | Sunny | 27° /14° | 0 mm | 7 | |
| 24 Aug. | Sunny | 29° /13° | 0.3 mm | 7 | |
| 25 Aug. | Partly cloudy | 26° /12° | 0.7 mm | 6 | |
| 26 Aug. |  Patchy light rain with thunder | 23° /11° | 16.5 mm | 5 | |
| 27 Aug. | Patchy rain possible | 22° /9° | 20.3 mm | 5 | |
| 28 Aug. | Light rain shower | 20° /9° | 12.4 mm | 5 | |
| 29 Aug. | Light rain shower | 21° /10° | 3.1 mm | 5 | |
| 30 Aug. | Patchy rain possible | 22° /10° | 0.7 mm | 5 | |
| 31 Aug. | Partly cloudy | 23° /10° | 0 mm | 6 | |
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Grenoble weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Sunny | Patchy rain possible |
| Temperatures | 26°/13° | 25°/13° | 20°/9° |
| Rainfall | 79 mm | 90 mm | 138 mm |
| Wind | 9.6 km/h | 9.1 km/h | 7.9 km/h |
| Humidity | 67% | 65% | 74% |
| Rainy days | 19 days | 14 days | 19 days |
| Dry days | 12 days | 17 days | 11 days |
Planning a trip to Grenoble? Discover the best time to visit
Grenoble in August - FAQ
What are the expected maximum and minimum temperatures in Grenoble during August?
How much rainfall should be expected in Grenoble during August?
What are the typical wind conditions in Grenoble during August?
August rainfall patterns in Grenoble
UV exposure in Grenoble during August
What to pack to Grenoble in August?
Mild & changeable · highs around 25 °C, frequent showers
As you prepare for your trip to Grenoble in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Grenoble, during August, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Grenoble?Get accurate weather forecasts for Grenoble, located at latitude 45.179 and longitude 5.715. Stay updated with localized weather information tailored for Grenoble.