The weather in August in Saint Moritz

Looking for sun? August isn’t a good month to be in Saint Moritz. The temperature is nice, but there’s too much chance of rain.

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Saint Moritz, Switzerland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Daily weather in August for Saint Moritz

Click on any day in August to get detailed info about the usual weather on that day in Saint Moritz. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average temperatures

It's cool to moderate in August in Saint Moritz with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 19°C. At night, you can expect temperatures between 5°C and 8°C.

Temperature records

With 27°C in 2023, Saint Moritz reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 7°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 15°C.

Precipitation and snowfall

In August, there is an average of 110 mm of precipitation, spread over 14 days. Of the total precipitation, about 0,1 cm falls as snow in August. The wind speed is around 4 Bft, mostly coming from the South.

August weather comparison

  Saint Moritz New York
Average temperature 18°C 30°C
Max. temperature 19°C 31°C
Min. temperature 5°C -5°C
Total precipitation 110 mm 79 mm
Rainy days 14 days 13 days
Total snowfall 0,1 cm 0 cm
Snowy days 1 day 0 days

Start of August

The month of August starts in Saint Moritz with mild temps, averaging around 19°C during the day and nights around 8°C.

Mid August

By mid-August, daytime temps drop to around 18°C, with nights around 7°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of August

By the end of August, the average daytime temperature in Saint Moritz is around 18°C, while nighttime temps are about 6°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Saint Moritz for all months and discover the best travel time

Curious about the weather in other parts of Switzerland? Check out the climate and weather for spots like Zurich, Geneva, Valais, or explore other destinations in Switzerland.

Temperature charts

These charts show the average temperatures in August in Saint Moritz, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Saint Moritz

Temperature in August in Saint Moritz over the years

Precipitation charts

These charts show the average amount of precipitation in August in Saint Moritz, Switzerland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in Saint Moritz

Total precipitation in August in Saint Moritz over the years

Daily Snowfall in August in Saint Moritz

Snowfall in August in Saint Moritz per year

Daily UV index in August in Saint Moritz

This chart shows the average daily UV index in August in Saint Moritz, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in August in Saint Moritz

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Average weather in Saint Moritz by month

Click on a month below to see detailed weather info for Saint Moritz. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.