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

August brings the highest temperatures, with an average high of 76.3°F (24.6°C) and an average low of 52.5°F (11.4°C).

Humidity

The average relative humidity in August is 71%.

Rainfall

In Redmond, in August, during 5.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Redmond, during the entire year, the rain falls for 174 days and collects up to 29.69" (754mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day 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

The month with the most sunshine is August, with an average of 10.7h of sunshine.

UV index

In Redmond, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 during August translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

Redmond's temperature records reveal August as the warmest month, marked by average highs of 76.3°F (24.6°C) and lows of 52.5°F (11.4°C).

What is the temperature in August?

In August, in Redmond, 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, the average relative humidity in August is 71%.

How much does it rain in August?

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, snow does not fall in April through October.

What is the average length of the day in August?

The average day length in August is 14h and 13min.

When is the sunrise / sunset in August?

On the first day of August in Redmond, Washington, 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.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.7h of sunshine.

How many hours of sunshine does Redmond have in August?

In Redmond, the average sunshine duration in August is 10.7h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Redmond, Washington, USA

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