August weather forecast
Saint Moritz, Switzerland

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A snowy day in Saint Moritz, Switzerland,
A snowy day in Saint Moritz, Switzerland,

Weather in August

The weather in Saint Moritz continues to remain warm in August with temperature highs around 14.5°C (58.1°F). The city presents ample opportunities for outdoor pursuits, making it a favourite month for active holidaymakers. While days remain warm, evenings may see a slight drop in temperatures, giving a balanced weather experience. Trekking to alpine pastures and picnicking by the lake remain popular activities. The city remains abuzz with tourists, making it one of the liveliest months.

Temperature

The average high-temperature in August in Saint Moritz, Switzerland, at a still moderate 14.5°C (58.1°F), reveals a modest deviation from July's 14.6°C (58.3°F). In Saint Moritz, the nighttime temperature averages to a wintry 3.8°C (38.8°F) during August.

Humidity

The average relative humidity in August is 83%.

Rainfall

August is the month with the most rainfall in Saint Moritz. Rain falls for 22.3 days and accumulates 125mm (4.92") of precipitation.

Snowfall

January through December are months with snowfall in Saint Moritz. In August, it is snowing for 0.3 days. Throughout August, 6mm (0.24") of snow is accumulated. Throughout the year, in Saint Moritz, there are 125.3 snowfall days, and 3141mm (123.66") of snow is accumulated.

Daylight

In August, the average length of the day is 14h and 8min.
On the first day of the month, sunrise is at 06:02 and sunset at 20:51. On the last day of August, in Saint Moritz, sunrise is at 06:40 and sunset at 20:01 CEST.

Sunshine

In Saint Moritz, the average sunshine in August is 8.4h.

UV index

In Saint Moritz, the average daily maximum UV index in August is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in August, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What are the temperatures in Saint Moritz in August?

An average high-temperature, in August, in Saint Moritz, is 14.5°C (58.1°F) and the average low-temperature is 3.8°C (38.8°F).

What is the average humidity in August in Saint Moritz?

The average relative humidity in August is 83%.

What is the rainiest month in Saint Moritz?

The month with the most rainfall in Saint Moritz, Switzerland, is August, when the rain falls for 22.3 days and typically aggregates up to 125mm (4.92") of precipitation.

How much does it rain in Saint Moritz in August?

In Saint Moritz, during August, the rain falls for 22.3 days and regularly aggregates up to 125mm (4.92") of precipitation.

How much does it snow in Saint Moritz in August?

In Saint Moritz, Switzerland, in August, during 0.3 snowfall days, 6mm (0.24") of snow is typically accumulated.

What is the average length of the day in August in Saint Moritz?

In August, the average day length in Saint Moritz is 14h and 8min.

When is the sunrise / sunset in August in Saint Moritz?

In August, on the first day of the month, sunrise is at 06:02 and sunset at 20:51. On the last day of the month, in Saint Moritz, sunrise is at 06:40 and sunset at 20:01 CEST.

How long on average sun shines in August in Saint Moritz?

The average sunshine duration in August is 8.4h.

What is the UV index intensity in August in Saint Moritz?

In Saint Moritz, Switzerland, the average daily maximum UV index in August is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Saint Moritz, Switzerland

Average temperature in August - Saint Moritz, Switzerland
  • Average high temperature in August: 14.5°C

The warmest month (with the highest average high temperature) is July (14.6°C).
The month with the lowest average high temperature is January (-5.1°C).

  • Average low temperature in August: 3.8°C

The months with the highest average low temperature are July and August (3.8°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).

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Average pressure in August
Saint Moritz, Switzerland

Average pressure in August - Saint Moritz, Switzerland
  • Average pressure in August: 1017.4mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in August
Saint Moritz, Switzerland

Average wind speed in August - Saint Moritz, Switzerland
  • Average wind speed in August: 7.9km/h

The windiest months (with the highest average wind speed) are February and December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).

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Average humidity in August
Saint Moritz, Switzerland

Average humidity in August - Saint Moritz, Switzerland
  • Average humidity in August: 83%

The month with the highest relative humidity is April (96%).
The month with the lowest relative humidity is July (81%).

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Average rainfall in August
Saint Moritz, Switzerland

Average rainfall in August - Saint Moritz, Switzerland
  • Average rainfall in August: 125mm

The wettest month (with the highest rainfall) is August (125mm).
The driest month (with the least rainfall) is January (33mm).

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Average rainfall days in August
Saint Moritz, Switzerland

Average rainfall days in August - Saint Moritz, Switzerland
  • Average rainfall days in August: 22.3 days

The month with the highest number of rainy days is July (22.9 days).
The month with the least rainy days is December (1.5 days).

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Average snowfall in August
Saint Moritz, Switzerland

Average snowfall in August - Saint Moritz, Switzerland
  • Average snowfall in August: 6mm

The month with the highest snowfall is November (721mm).
The month with the least snowfall is July (4mm).

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Average snowfall days in August
Saint Moritz, Switzerland

Average snowfall days in August - Saint Moritz, Switzerland
  • Average snowfall days in August: 0.3 days

The month with the highest number of snowfall days is March (21.2 days).
The month with the least snowfall days is August (0.3 days).

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Average daylight in August /
Average sunshine in August
Saint Moritz, Switzerland

Average daylight in August / Average sunshine in August - Saint Moritz, Switzerland
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).

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Average sunshine days in August
Saint Moritz, Switzerland

Average sunshine days in August - Saint Moritz, Switzerland
  • Average sunshine days in August: 6.4 days

The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is July (6.1 days).

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Average UV index in August
Saint Moritz, Switzerland

Average UV index in August - Saint Moritz, Switzerland
  • Average UV index in August: 2

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).

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Average cloud cover in August
Saint Moritz, Switzerland

Average cloud cover in August - Saint Moritz, Switzerland
  • Average cloud cover in August: 53

The month with the most cloud cover is April (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 52).

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Average visibility in August
Saint Moritz, Switzerland

Average visibility in August - Saint Moritz, Switzerland
  • Average visibility in August: 7km

The months with the highest visibility are June, July, August and December (7km).
The month with the lowest visibility is April (4km).

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Saint Moritz, Switzerland

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