St. Moritz
August
Weather in St. Moritz for August 2026
Your guide to St. Moritz weather in August - trends and predictions
Snowfall in St. Moritz during August is quite rare, with fewer than 2 snowy days on average.
According to St. Moritz snow forecast for August 2026, no snow is expected at the beginning of the month.The forecast for the first days of August 2026 in St. Moritz predicts a temperature of 14.4 °C, which is cooler than the historical average.
In general, the average temperature in St. Moritz at the beginning of August is 16.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 14 °C by the end of August.
St. Moritz experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 261.4 mm.
Snow Forecast ❄️
Temperatures
Rain 🌧️
6
Dry days
24
Rainy days
1
Snow days
17°/4°
Temperatures
12 km/h
Avg max wind
74 %
Avg humidity
St. Moritz Weather August
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Temperatures trend during August in St. Moritz
See the weather trend as well as the moving average line
August weather in St. Moritz day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 16° /3° | 2.4 mm | 0 cm | |
| 2 Aug. |  Patchy light rain with thunder | 17° /4° | 15.8 mm | 0 cm | |
| 3 Aug. | Patchy rain possible | 15° /1° | 0.8 mm | 0 cm | |
| 4 Aug. |  Fog | 15° /1° | 0.1 mm | 0 cm | |
| 5 Aug. | Patchy rain possible | 19° /2° | 0.2 mm | 0 cm | |
| 6 Aug. | Patchy light rain with thunder | 18° /4° | 9.2 mm | 0 cm | |
| 7 Aug. | Patchy light rain with thunder | 18° /3° | 8.4 mm | 0 cm | |
| 8 Aug. | Patchy rain possible | 20° /4° | 1.1 mm | 0 cm | |
| 9 Aug. | Patchy rain possible | 21° /5° | 3.5 mm | 0 cm | |
| 10 Aug. | Patchy rain possible | 22° /5° | 0.2 mm | 0 cm | |
| 11 Aug. | Patchy rain possible | 22° /7° | 2.2 mm | 0 cm | |
| 12 Aug. | Patchy light rain with thunder | 21° /7° | 2.8 mm | 0 cm | |
| 13 Aug. | Patchy light rain with thunder | 20° /6° | 4 mm | 0 cm | |
| 14 Aug. | Patchy light rain with thunder | 19° /5° | 4.2 mm | 0 cm | |
| 15 Aug. | Patchy rain possible | 20° /4° | 3.6 mm | 0 cm | |
| 16 Aug. | Patchy rain possible | 19° /6° | 5 mm | 0 cm | |
| 17 Aug. | Patchy rain possible | 18° /4° | 2.6 mm | 0 cm | |
| 18 Aug. |  Moderate or heavy rain shower | 15° /2° | 12.9 mm | 0 cm | |
| 19 Aug. | Patchy rain possible | 16° /3° | 3.4 mm | 0 cm | |
| 20 Aug. | Patchy light rain with thunder | 17° /4° | 9.4 mm | 0 cm | |
| 21 Aug. |  Sunny | 17° /5° | 7.9 mm | 0 cm | |
| 22 Aug. | Patchy rain possible | 17° /4° | 1.5 mm | 0 cm | |
| 23 Aug. | Patchy rain possible | 18° /5° | 0.2 mm | 0 cm | |
| 24 Aug. | Patchy rain possible | 19° /5° | 1.7 mm | 0 cm | |
| 25 Aug. | Patchy light rain with thunder | 18° /4° | 4.2 mm | 0 cm | |
| 26 Aug. | Patchy light rain with thunder | 17° /3° | 7.7 mm | 0 cm | |
| 27 Aug. | Patchy light rain with thunder | 15° /2° | 74.7 mm | 0 cm | |
| 28 Aug. |  Moderate or heavy sleet | 11° /3° | 58.1 mm | 2.7 cm | |
| 29 Aug. | Patchy light rain with thunder | 11° /0° | 9.5 mm | 0.1 cm | |
| 30 Aug. |  Light snow showers | 12° /0° | 1.3 mm | 0.1 cm | |
| 31 Aug. | Patchy rain possible | 14° /0° | 0.7 mm | 0 cm | |
| Next | |||||
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.
Change Month
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 261.4 mm is expected in St. Moritz during August, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Moritz in August 2026?
St. Moritz typically sees 2.86333 cm of snowfall during August.
What are the typical wind conditions in St. Moritz during August?
The average wind speed in St. Moritz during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
St. Moritz snow forecast August 2026
Track daily snowfall levels and discover St. Moritz’s snowy potential this August ❄️
On average, St. Moritz sees 1 snowy days during August, with approximately 2.9 cm of total snowfall.
August rainfall patterns in St. Moritz
Explore the daily rainfall trends and prepare for St. Moritzs August weather 💧
Typically, St. Moritz has 24 rainy days in August with a total of 261.4 mm of rainfall.
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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