August weather forecast
Sierre, Switzerland

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Weather in August

August, the last month of the summer in Sierre, is another comfortable month, with temperature in the range of an average high of 16.4°C (61.5°F) and an average low of 6.4°C (43.5°F).

Temperature

August experiences an average high-temperature of a still refreshing 16.4°C (61.5°F), barely different from July's 16.5°C (61.7°F). Sierre records a mean low-temperature of 6.4°C (43.5°F) in August.

Humidity

July and August, with an average relative humidity of 79%, are the least humid months in Sierre, Switzerland.

Rainfall

In Sierre, Switzerland, in August, it is raining for 20.5 days, with typically 99mm (3.9") of accumulated precipitation. In Sierre, during the entire year, the rain falls for 159.9 days and collects up to 1035mm (40.75") of precipitation.

Snowfall

January through December are months with snowfall. In Sierre, during August, snow falls for 0.4 days and regularly aggregates up to 10mm (0.39") of snow. In Sierre, during the entire year, snow falls for 129 days and aggregates up to 4010mm (157.87") of snow.

Daylight

In August, the average length of the day in Sierre is 14h and 7min.
On the first day of August in Sierre, Switzerland, sunrise is at 06:12 and sunset at 21:00. On the last day of the month, sunrise is at 06:49 and sunset at 20:10 CEST.

Sunshine

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Sierre.

UV index

In Sierre, Switzerland, the average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 3 in August, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the average August temperature in Sierre?

The high-temperature, in August, in Sierre, is 16.4°C (61.5°F), while the low-temperature averages to 6.4°C (43.5°F).

What are the least humid months in Sierre?

The months with the lowest humidity in Sierre, Switzerland, are July and August, with an average relative humidity of 79%.

What is the average humidity in August in Sierre?

The average relative humidity in August in Sierre is 79%.

How much does it rain in Sierre in August?

In August, the rain falls for 20.5 days. Throughout August, 99mm (3.9") of precipitation is accumulated.

How much does it snow in Sierre in August?

In Sierre, Switzerland, in August, snow falls for 0.4 days, with typically accumulated 10mm (0.39") of snow.

What is the average length of the day in August in Sierre?

In August, the average day length in Sierre, Switzerland, is 14h and 7min.

When are sunrise and sunset in August in Sierre?

On the first day of August in Sierre, Switzerland, sunrise is at 06:12 and sunset at 21:00. On the last day of the month, sunrise is at 06:49 and sunset at 20:10 CEST.

What is the month with the most sunshine in Sierre?

The months with the most sunshine are July and August, with an average of 9.7h of sunshine.

How many hours of sunshine does Sierre have in August?

The average sunshine duration in August in Sierre, Switzerland, is 9.7h.

What is the UV index intensity in August in Sierre?

The average daily maximum UV index in August in Sierre is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Sierre, Switzerland

Average temperature in August - Sierre, Switzerland
  • Average high temperature in August: 16.4°C

The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.6°C).

  • Average low temperature in August: 6.4°C

The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).

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Average pressure in August
Sierre, Switzerland

Average pressure in August - Sierre, Switzerland
  • Average pressure in August: 1017.6mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in August
Sierre, Switzerland

Average wind speed in August - Sierre, Switzerland
  • Average wind speed in August: 6.2km/h

The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

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Average humidity in August
Sierre, Switzerland

Average humidity in August - Sierre, Switzerland
  • Average humidity in August: 79%

The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (79%).

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Average rainfall in August
Sierre, Switzerland

Average rainfall in August - Sierre, Switzerland
  • Average rainfall in August: 99mm

The wettest month (with the highest rainfall) is May (126mm).
The driest months (with the least rainfall) are September and October (54mm).

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Average rainfall days in August
Sierre, Switzerland

Average rainfall days in August - Sierre, Switzerland
  • Average rainfall days in August: 20.5 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in August
Sierre, Switzerland

Average snowfall in August - Sierre, Switzerland
  • Average snowfall in August: 10mm

The month with the highest snowfall is December (887mm).
The month with the least snowfall is July (5mm).

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Average snowfall days in August
Sierre, Switzerland

Average snowfall days in August - Sierre, Switzerland
  • Average snowfall days in August: 0.4 days

The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is August (0.4 days).

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Average daylight in August /
Average sunshine in August
Sierre, Switzerland

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

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

  • Average sunshine in August: 9h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Sierre, Switzerland

Average sunshine days in August - Sierre, Switzerland
  • Average sunshine days in August: 7.1 days

The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (4.2 days).

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Average UV index in August
Sierre, Switzerland

Average UV index in August - Sierre, Switzerland
  • Average UV index in August: 3

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March, April and November (UV index 1).

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Average cloud cover in August
Sierre, Switzerland

Average cloud cover in August - Sierre, Switzerland
  • Average cloud cover in August: 39

The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 38).

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Average visibility in August
Sierre, Switzerland

Average visibility in August - Sierre, Switzerland
  • Average visibility in August: 8km

The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).

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Sierre, Switzerland

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