Grenoble
August
Weather in Grenoble for August 2025
Your guide to Grenoble weather in August - trends and predictions
In general, the average temperature in Grenoble at the beginning of August is 23.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.9 °C by the end of August.
The climate of Grenoble in August is notably wet, with an average of 13 rainy days.
Is August a good time to visit Grenoble? check out the best time to travel to Grenoble page.
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18
Dry days
13
Rainy days
0
Snow days
26°/15°
Temperatures
10 km/h
Avg max wind
62 %
Avg humidity
Grenoble in August average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  28° | 3  23° | ||||
| 4  20° | 5 22° | 6 23° | 7 22° | 8  24° | 9 26° | 10 28° |
| 11 30° | 12 31° | 13 30° | 14 28° | 15 27° | 16 27° | 17 27° |
| 18 24° | 19 24° | 20 29° | 21 27° | 22 30° | 23 30° | 24 33° |
| 25 26° | 26  20° | 27 20° | 28 20° | 29 21° | 30 23° | 31 23° |
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Temperatures trend during August in Grenoble
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 27° /15° | 0.7 mm | 6 | |
| 2 Aug. | Partly cloudy | 28° /14° | 0.8 mm | 7 | |
| 3 Aug. | Overcast | 23° /13° | 1.1 mm | 5 | |
| 4 Aug. | Moderate or heavy rain shower | 20° /11° | 7.2 mm | 5 | |
| 5 Aug. | Patchy rain possible | 22° /11° | 0.3 mm | 6 | |
| 6 Aug. | Patchy rain possible | 23° /11° | 0.9 mm | 6 | |
| 7 Aug. | Partly cloudy | 22° /10° | 1.1 mm | 6 | |
| 8 Aug. | Sunny | 24° /12° | 0 mm | 7 | |
| 9 Aug. | Sunny | 26° /13° | 0 mm | 7 | |
| 10 Aug. | Overcast | 28° /16° | 0 mm | 7 | |
| 11 Aug. | Sunny | 30° /17° | 0.6 mm | 7 | |
| 12 Aug. | Sunny | 31° /16° | 0.4 mm | 8 | |
| 13 Aug. | Partly cloudy | 30° /16° | 1.5 mm | 8 | |
| 14 Aug. | Sunny | 28° /15° | 4.7 mm | 7 | |
| 15 Aug. | Sunny | 27° /15° | 4.6 mm | 7 | |
| 16 Aug. | Sunny | 27° /15° | 4 mm | 7 | |
| 17 Aug. | Partly cloudy | 27° /15° | 4.3 mm | 7 | |
| 18 Aug. | Sunny | 24° /12° | 1.1 mm | 6 | |
| 19 Aug. | Sunny | 24° /14° | 0.1 mm | 6 | |
| 20 Aug. | Sunny | 29° /15° | 0 mm | 7 | |
| 21 Aug. | Sunny | 27° /15° | 0 mm | 7 | |
| 22 Aug. | Sunny | 30° /15° | 0 mm | 8 | |
| 23 Aug. | Sunny | 30° /17° | 0 mm | 8 | |
| 24 Aug. | Moderate rain at times | 33° /17° | 0.4 mm | 8 | |
| 25 Aug. | Partly cloudy | 26° /14° | 1.1 mm | 7 | |
| 26 Aug. | Patchy light rain with thunder | 20° /12° | 24 mm | 5 | |
| 27 Aug. | Moderate or heavy rain shower | 20° /7° | 30.1 mm | 5 | |
| 28 Aug. | Light rain shower | 20° /9° | 9.4 mm | 5 | |
| 29 Aug. | Light rain shower | 21° /10° | 0.5 mm | 5 | |
| 30 Aug. | Partly cloudy | 23° /10° | 0.1 mm | 6 | |
| 31 Aug. | Partly cloudy | 23° /9° | 0.1 mm | 6 | |
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Important Notice
Our weather forecast for Grenoble in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grenoble forecast closer to your planned date for the most up-to-date weather information.
Grenoble in August - FAQ
What are the expected maximum and minimum temperatures in Grenoble during August?
During August, expect a variety of temperatures with highs around 26° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grenoble during August?
Significant rainfall exceeding 151.5 mm is expected in Grenoble during August, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grenoble during August?
The average wind speed in Grenoble during August is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Grenoble in August?
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
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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