Grisons (St. Moritz)
August
Weather in Grisons for August 2025
Your guide to Grisons weather in August - trends and predictions
With an average of 2 snowy days, Grisons usually enjoys a light touch of snow in August.
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.
Grisons experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 336.1 mm.
Snow Forecast ❄️
Temperatures
Rain 🌧️
8
Dry days
21
Rainy days
2
Snow days
17°/4°
Temperatures
11 km/h
Avg max wind
75 %
Avg humidity
Grisons Weather August
Move between months or click on a day
| 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° |
You can click on date
Access Grisons weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during August in Grisons
See the weather trend as well as the moving average line
August weather day by day
Click on a date for more information
| 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 | |
| Next | |||||
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 336.1 mm is expected in Grisons during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Grisons in August 2025?
Grisons experiences an average snowfall of 4.295 cm during August, occurring over 2 days.
What are the typical wind conditions in Grisons during August?
The average wind speed in Grisons during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
Grisons snow forecast August 2025
Track daily snowfall levels and discover Grisons’s snowy potential this August ❄️
August rainfall patterns in Grisons
Explore the daily rainfall trends and prepare for Grisonss August weather 💧
UV exposure in Grisons during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Provinces in Grisons
Select a province for an accurate weather forecast
Top locations in Grisons
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Grisons?Get accurate weather forecasts for Grisons, located at latitude 46.499 and longitude 9.843. Stay updated with localized weather information tailored for Grisons.
Found a mistake?
We appreciate your attention to details. Tell us here.