August weather forecast
Redmond, WA

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Weather in August

August continues the trend of high-summer heat, although rainfall picks up slightly from July's low. Strong sunshine remains a consistent element with long daylight hours amplifying its effect. This month redefines the summer season with soaring temperatures, gripping Redmond in a warm embrace. The daytime high hits a peak of 76.3°F (24.6°C) making it the hottest month of the year. Coinciding with peak vacation season, Redmond's weather in August proves ideal for outdoor activities.

Temperature

Redmond's August weather, with an average high temperature of 76.3°F (24.6°C) and an average low temperature of 52.5°F (11.4°C), tends to be the warmest of the year.

Humidity

The average relative humidity in August in Redmond, Washington, is 71%.

Rainfall

In Redmond, in August, during 5.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Redmond, there are 174 rainfall days, and 29.69" (754mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Redmond.

Daylight

In Redmond, Washington, the average length of the day in August is 14h and 13min.
On the first day of August, sunrise is at 5:46 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:50 pm PDT.

Sunshine

With an average of 10.7h of sunshine, August has the most sunshine of the year in Redmond, Washington.

UV index

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 4 in August translates into these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the warmest month in Redmond?

August temperatures in Redmond, Washington, tend to peak at an average high of 76.3°F (24.6°C) and dip to a low of 52.5°F (11.4°C).

What are August temperatures in Redmond?

In Redmond, in August, the average high-temperature is 76.3°F (24.6°C), and the average low-temperature is 52.5°F (11.4°C).

What is the average humidity in August in Redmond?

In August, the average relative humidity is 71%.

How many days does it rain in August in Redmond?

In August, the rain falls for 5.9 days. Throughout August, 0.55" (14mm) of precipitation is accumulated.

When it does not snow in Redmond?

April through October are months without snowfall in Redmond, Washington.

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

In August, the average day length is 14h and 13min.

When are sunrise and sunset in August in Redmond?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:42 pm. On the last day of the month, in Redmond, Washington, sunrise is at 6:26 am and sunset at 7:50 pm PDT.

What month has the most sunshine in Redmond?

With an average of 10.7h of sunshine, August has the most sunshine of the year in Redmond, Washington.

How many hours of sunshine does Redmond have in August?

The average sunshine duration in August in Redmond is 10.7h.

How high is the UV index in August in Redmond?

In Redmond, Washington, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average wind speed gusts
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
Redmond, WA

Average temperature in August - Redmond, WA
  • Average high temperature in August: 76.3°F

The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (42.1°F).

  • Average low temperature in August: 52.5°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34°F).

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Average pressure in August
Redmond, WA

Average pressure in August - Redmond, WA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in August
Redmond, WA

Average wind speed in August - Redmond, WA
  • Average wind speed in August: 3.4mph

The windiest months (with the highest average wind speed) are January and March (5mph).
The calmest months (with the lowest average wind speed) are July and August (3.4mph).

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Average humidity in August
Redmond, WA

Average humidity in August - Redmond, WA
  • Average humidity in August: 71%

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in August
Redmond, WA

Average rainfall in August - Redmond, WA
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in August
Redmond, WA

Average rainfall days in August - Redmond, WA
  • Average rainfall days in August: 5.9 days

The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (5.9 days).

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Average snowfall in August
Redmond, WA

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

The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Redmond, WA

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

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Redmond, WA

Average daylight in August / Average sunshine in August - Redmond, 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 30min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days in August
Redmond, WA

Average sunshine days in August - Redmond, WA
  • Average sunshine days in August: 23.3 days

The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in August
Redmond, WA

Average UV index in August - Redmond, 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 2).

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Average cloud cover in August
Redmond, WA

Average cloud cover in August - Redmond, WA
  • Average cloud cover in August: 25

The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in August
Redmond, WA

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

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).

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Redmond, Washington, USA

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