St. Moritz
August
Weather in St. Moritz for August 2025
Your guide to St. Moritz weather in August - trends and predictions
With an average of 2 snowy days, St. Moritz usually enjoys a light touch of snow in August.
In general, the average temperature in St. Moritz 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.
St. Moritz 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
St. Moritz 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 St. Moritz
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 St. Moritz 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 St. Moritz forecast closer to your planned date for the most up-to-date weather information.
St. Moritz in August - FAQ
What are the expected maximum and minimum temperatures in St. Moritz 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 St. Moritz during August?
Significant rainfall exceeding 336.1 mm is expected in St. Moritz during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Moritz in August 2025?
St. Moritz experiences an average snowfall of 4.295 cm during August, occurring over 2 days.
What are the typical wind conditions in St. Moritz during August?
The average wind speed in St. Moritz during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
St. Moritz snow forecast August 2025
Track daily snowfall levels and discover St. Moritz’s snowy potential this August ❄️
August rainfall patterns in St. Moritz
Explore the daily rainfall trends and prepare for St. Moritzs August weather 💧
UV exposure in St. Moritz during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is St. Moritz?Get accurate weather forecasts for St. Moritz, located at latitude 46.499 and longitude 9.843. Stay updated with localized weather information tailored for St. Moritz.
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