Seattle - Recent August Temperatures and Rainfall





The numbers here describe what the August weather in Seattle, Washington was like for every year since 2010. A series of tables gives August data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each August. Then there's information on how much rain actually landed this month during recent years, as well as how often Seattle had wet weather.

The climate data come from weather measurements made at Seattle—Tacoma International Airport.

Temperature Weather iconTemperature

August temperature averages by year in Seattle
High °F Low °F Year High °C Low °C
80 58 2016 26 14
79 58 2015 26 15
80 59 2014 26 15
79 60 2013 26 16
79 57 2012 26 14
76 56 2011 24 13
75 56 2010 24 13
Number of days in August when the temperature in Seattle rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2016 29 6
2015 28 1
2014 30 2
2013 29 0
2012 31 4
2011 28 0
2010 20 3

Rainy Weather iconRain

This table gives the total precipitation that fell on Seattle during August in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.254 millimeters) or more.

Total rainfall for August in Seattle
Days Year Inches Milli­metres
1 2016 0.2 4
4 2015 3.3 83
3 2014 1.8 46
2 2013 1.4 34
0 2012 0.0 0
1 2011 0.1 3
2 2010 0.6 16
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Seattle - Recent Years
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