August weather forecast
South Cle Elum, WA

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Weather in August

The last month of the summer, August, is also a moderately hot month in South Cle Elum, Washington, with an average temperature varying between 47.8°F (8.8°C) and 75.4°F (24.1°C).

Temperature

August, marked by an average high-temperature of 75.4°F (24.1°C) and a low-temperature of 47.8°F (8.8°C), is the warmest month.

Humidity

The months with the lowest humidity in South Cle Elum, Washington, are July and August, with an average relative humidity of 60%.

Rainfall

In South Cle Elum, in August, during 5.5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 161.2 rainfall days, and 28.46" (723mm) of precipitation is accumulated.

Snowfall

In South Cle Elum, snow does not fall in June through August.

Daylight

In August, the average length of the day in South Cle Elum, Washington, is 14h and 10min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:36 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:44 pm PDT.

Sunshine

The month with the most sunshine in South Cle Elum is August, with an average of 11.9h of sunshine.

UV index

In South Cle Elum, Washington, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 4 in August transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What time of the year is the hottest in South Cle Elum?

August, with an average high of 75.4°F (24.1°C) and a low of 47.8°F (8.8°C), signifies the warmest month of the year in South Cle Elum, Washington.

What is the average August temperature in South Cle Elum?

The high-temperature, in August, in South Cle Elum, records 75.4°F (24.1°C), while the low-temperature is 47.8°F (8.8°C).

What are the least humid months in South Cle Elum?

July and August, with an average relative humidity of 60%, are the least humid months in South Cle Elum, Washington.

What is the average humidity in August in South Cle Elum?

In August, the average relative humidity is 60%.

How much does it rain in South Cle Elum in August?

In South Cle Elum, during August, the rain falls for 5.5 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in South Cle Elum?

In South Cle Elum, Washington, snow does not fall in June through August.

Does it snow in South Cle Elum in August?

In South Cle Elum, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does South Cle Elum have in August?

The average day length in August in South Cle Elum is 14h and 10min.

What time are sunrise and sunset in August in South Cle Elum?

In August, on the first day of the month, sunrise is at 5:43 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:44 pm PDT.

What month has the most sunshine in South Cle Elum?

With an average of 11.9h of sunshine, August has the most sunshine of the year in South Cle Elum, Washington.

How long on average sun shines in August in South Cle Elum?

The average sunshine duration in August in South Cle Elum is 11.9h.

What is the UV index reading in August in South Cle Elum?

In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
South Cle Elum, WA

Average temperature in August - South Cle Elum, WA
  • Average high temperature in August: 75.4°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in August: 47.8°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (18.3°F).

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Average pressure in August
South Cle Elum, WA

Average pressure in August - South Cle Elum, WA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in August
South Cle Elum, WA

Average wind speed in August - South Cle Elum, WA
  • Average wind speed in August: 6.1mph

The windiest month (with the highest average wind speed) is June (6.7mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

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Average humidity in August
South Cle Elum, WA

Average humidity in August - South Cle Elum, WA
  • Average humidity in August: 60%

The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (60%).

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Average rainfall in August
South Cle Elum, WA

Average rainfall in August - South Cle Elum, WA
  • Average rainfall in August: 0.51"

The wettest month (with the highest rainfall) is January (4.41").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in August
South Cle Elum, WA

Average rainfall days in August - South Cle Elum, WA
  • Average rainfall days in August: 5.5 days

The months with the highest number of rainy days are March and April (18.3 days).
The month with the least rainy days is August (5.5 days).

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Average snowfall in August
South Cle Elum, WA

Average snowfall in August - South Cle Elum, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (16.3").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
South Cle Elum, WA

Average snowfall days in August - South Cle Elum, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
South Cle Elum, WA

Average daylight in August / Average sunshine in August - South Cle Elum, WA
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in August
South Cle Elum, WA

Average sunshine days in August - South Cle Elum, WA
  • Average sunshine days in August: 22.8 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (6.8 days).

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Average UV index in August
South Cle Elum, WA

Average UV index in August - South Cle Elum, WA
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in August
South Cle Elum, WA

Average cloud cover in August - South Cle Elum, WA
  • Average cloud cover in August: 18

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 18).

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Average visibility in August
South Cle Elum, WA

Average visibility in August - South Cle Elum, WA
  • Average visibility in August: 6mi

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (3mi).

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South Cle Elum, Washington, USA

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