Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Renton's peak temperatures tend to occur in July and August, with an average high-temperature of 77.4°F (25.2°C).Humidity
July and August, with an average relative humidity of 68%, are the least humid months.Rainfall
In Renton, Washington, in August, during 3 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. In Renton, during the entire year, the rain falls for 100.6 days and collects up to 7.6" (193mm) of precipitation.Snowfall
In Renton, snow does not fall in April through October.Daylight
In Renton, the average length of the day in August is 14h and 12min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:42 pm. On the last day of August, in Renton, sunrise is at 6:27 am and sunset at 7:50 pm PDT.
Sunshine
With an average of 10.6h of sunshine, August has the most sunshine of the year in Renton.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In August, a daily UV index of 4 turns into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Renton?
What is the average August temperature in Renton?
What is the least humid month in Renton?
What is the average humidity in August in Renton?
How many days does it rain in August in Renton?
When it does not snow in Renton?
How many hours of daylight does Renton have in August?
What time are sunrise and sunset in August in Renton?
What month has the most sunshine in Renton?
How long on average sun shines in August in Renton?
How high is the UV index in August in Renton?
Average temperature in August
Renton, WA
- Average high temperature in August: 77.4°F
The warmest months (with the highest average high temperature) are July and August (77.4°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in August: 53.6°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in August
Renton, 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
Renton, WA
- Average wind speed in August: 3.6mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in August
Renton, WA
- Average humidity in August: 68%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in August
Renton, WA
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in August
Renton, WA
- Average rainfall days in August: 3 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (3 days).
Average snowfall in August
Renton, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Renton, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.7 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
Renton, 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 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in August
Renton, WA
- Average sunshine days in August: 25.8 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in August
Renton, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Renton, WA
- Average cloud cover in August: 27
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Renton, 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).
Renton, Washington, USA
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