Grisons
August
Weather in Grisons for August 2025
Your guide to Grisons weather in August - trends and predictions
In general, the average temperature in Grisons at the beginning of August is 17.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.9 °C by the end of August.
Expect significant rainfall in Grisons during August, with an average of 20 rainy days.
With an average of 3 snowy days, Grisons enjoys a light touch of snow in August.
Is August a good time to visit Grisons? check out the best time to travel to Grisons page.
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8
Dry days
20
Rainy days
3
Snow days
17°/4°
Temperatures
12 km/h
Avg max wind
76 %
Avg humidity
Grisons in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2 17° | 3  18° | ||||
| 4  16° | 5 20° | 6 19° | 7 17° | 8 18° | 9 20° | 10 22° |
| 11 21° | 12 20° | 13 18° | 14 18° | 15 20° | 16 18° | 17 18° |
| 18  11° | 19 13° | 20 17° | 21  19° | 22 20° | 23  20° | 24 21° |
| 25 18° | 26 17° | 27  14° | 28  11° | 29  10° | 30  13° | 31 14° |
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Temperatures trend during August in Grisons
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy light rain with thunder | 18° /6° | 19 mm | 0 cm | |
| 2 Aug. | Patchy light rain with thunder | 17° /4° | 5.2 mm | 0 cm | |
| 3 Aug. | Patchy rain possible | 18° /3° | 1 mm | 0 cm | |
| 4 Aug. | Fog | 16° /3° | 0.2 mm | 0 cm | |
| 5 Aug. | Patchy rain possible | 20° /3° | 0.1 mm | 0 cm | |
| 6 Aug. | Patchy light rain with thunder | 19° /4° | 13.8 mm | 0 cm | |
| 7 Aug. | Patchy light rain with thunder | 17° /4° | 16.5 mm | 0 cm | |
| 8 Aug. | Patchy rain possible | 18° /3° | 0.7 mm | 0 cm | |
| 9 Aug. | Patchy rain possible | 20° /4° | 0.1 mm | 0 cm | |
| 10 Aug. | Patchy rain possible | 22° /5° | 0.1 mm | 0 cm | |
| 11 Aug. | Patchy rain possible | 21° /7° | 4 mm | 0 cm | |
| 12 Aug. | Patchy light rain with thunder | 20° /7° | 2.7 mm | 0 cm | |
| 13 Aug. | Patchy light rain with thunder | 18° /5° | 6.3 mm | 0 cm | |
| 14 Aug. | Patchy light rain with thunder | 18° /5° | 2 mm | 0 cm | |
| 15 Aug. | Patchy rain possible | 20° /4° | 0 mm | 0 cm | |
| 16 Aug. | Patchy rain possible | 18° /7° | 7.1 mm | 0 cm | |
| 17 Aug. | Patchy rain possible | 18° /5° | 5.2 mm | 0 cm | |
| 18 Aug. | Moderate or heavy rain shower | 11° /2° | 24.9 mm | 0 cm | |
| 19 Aug. | Patchy rain possible | 13° /3° | 2.2 mm | 0 cm | |
| 20 Aug. | Patchy light rain with thunder | 17° /4° | 9.4 mm | 0 cm | |
| 21 Aug. | Sunny | 19° /6° | 1 mm | 0 cm | |
| 22 Aug. | Patchy rain possible | 20° /7° | 1.6 mm | 0 cm | |
| 23 Aug. | Cloudy | 20° /8° | 0.3 mm | 0 cm | |
| 24 Aug. | Patchy rain possible | 21° /8° | 2.4 mm | 0 cm | |
| 25 Aug. | Patchy light rain with thunder | 18° /6° | 6.3 mm | 0 cm | |
| 26 Aug. | Patchy light rain with thunder | 17° /4° | 11.6 mm | 0 cm | |
| 27 Aug. | Moderate or heavy rain with thunder | 14° /1° | 107.9 mm | 0 cm | |
| 28 Aug. | Moderate or heavy sleet | 11° /2° | 76.6 mm | 4.1 cm | |
| 29 Aug. | Light sleet showers | 10° /0° | 6.8 mm | 0.1 cm | |
| 30 Aug. | Light snow showers | 13° /1° | 0.1 mm | 0.1 cm | |
| 31 Aug. | Patchy rain possible | 14° /1° | 1.1 mm | 0 cm | |
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Important Notice
Our weather forecast for Grisons 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 Grisons forecast closer to your planned date for the most up-to-date weather information.
Grisons in August - FAQ
What are the expected maximum and minimum temperatures in Grisons during August?
During August, expect a variety of temperatures with highs around 17° and lows near 4°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grisons during August?
Significant rainfall exceeding 516.3 mm is expected in Grisons during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Grisons during August?
Grisons experiences an average snowfall of 8.6 cm during August, occurring over 3 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Grisons during August?
The average wind speed in Grisons during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Grisons in August?
As you prepare for your trip to Grisons 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 Grisons, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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