August weather forecast
Clayton, WA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Clayton, Washington, with an average temperature varying between 54.3°F (12.4°C) and 84°F (28.9°C).

Temperature

August, with its high-temperature average of 84°F (28.9°C) and a low-temperature average of 54.3°F (12.4°C), is the warmest month.

Heat index

In August, the heat index is computed to be 84.2°F (29°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The least humid month is August, with an average relative humidity of 43%.

Rainfall

The month with the least rainfall in Clayton is August, when the rain falls for 5.1 days and typically collects 0.31" (8mm) of precipitation.

Snowfall

In Clayton, Washington, snow does not fall in June through August.

Daylight

The average length of the day in August in Clayton, Washington, is 14h and 14min.
On the first day of August in Clayton, sunrise is at 5:27 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:32 pm PDT.

Sunshine

With an average of 12h of sunshine, August has the most sunshine of the year in Clayton, Washington.

UV index

The average daily maximum UV index in August in Clayton is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What is the warmest month in Clayton?

In Clayton, August is known for its average highest temperatures, reaching a high of 84°F (28.9°C) and a low of 54.3°F (12.4°C).

Is it hot in Clayton during August?

The high-temperature, in August, in Clayton, records 84°F (28.9°C), while the low-temperature is 54.3°F (12.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 84.2°F (29°C).

What is the least humid month in Clayton?

August is the least humid month in Clayton, Washington, with an average relative humidity of 43%.

What is the average humidity in August in Clayton?

In Clayton, the average relative humidity in August is 43%.

What is the driest month in Clayton?

August is the month with the least rainfall in Clayton. Rain falls for 5.1 days and accumulates 0.31" (8mm) of precipitation.

How many days does it rain in August in Clayton?

In Clayton, during August, the rain falls for 5.1 days and regularly aggregates up to 0.31" (8mm) of precipitation.

When it does not snow in Clayton?

June through August are months without snowfall in Clayton, Washington.

Does it snow in Clayton in August?

In Clayton, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Clayton have in August?

In Clayton, Washington, the average day length in August is 14h and 14min.

When is the sunrise / sunset in August in Clayton?

On the first day of August, sunrise is at 5:27 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:32 pm PDT.

What month has the most sunshine in Clayton?

The month with the most sunshine is August, with an average of 12h of sunshine.

How long on average sun shines in August in Clayton?

In August, the average sunshine duration is 12h.

What is the UV index intensity in August in Clayton?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Clayton, WA

Average temperature in August - Clayton, WA
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in August: 54.3°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

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Average pressure in August
Clayton, WA

Average pressure in August - Clayton, WA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in August
Clayton, WA

Average wind speed in August - Clayton, WA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).

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Average humidity in August
Clayton, WA

Average humidity in August - Clayton, WA
  • Average humidity in August: 43%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in August
Clayton, WA

Average rainfall in August - Clayton, WA
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").

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Average rainfall days in August
Clayton, WA

Average rainfall days in August - Clayton, WA
  • Average rainfall days in August: 5.1 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).

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Average snowfall in August
Clayton, WA

Average snowfall in August - Clayton, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Clayton, WA

Average snowfall days in August - Clayton, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (16.9 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
Clayton, WA

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in August
Clayton, WA

Average sunshine days in August - Clayton, WA
  • Average sunshine days in August: 23.8 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).

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Average UV index in August
Clayton, WA

Average UV index in August - Clayton, WA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).

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Average cloud cover in August
Clayton, WA

Average cloud cover in August - Clayton, WA
  • Average cloud cover in August: 13

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in August
Clayton, WA

Average visibility in August - Clayton, WA
  • Average visibility in August: 6mi

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

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Clayton, Washington, USA

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