Portland - Recent August Temperatures and Rainfall





The numbers here describe what the August weather in Portland, Oregon 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 Portland had wet weather.

The climate data come from weather measurements made at the Weather Forecast Office near downtown Portland.

Temperature Weather iconTemperature

August temperature averages by year in Portland
High °F Low °F Year High °C Low °C
84 59 2018 29 15
87 59 2017 30 15
85 58 2016 29 14
84 59 2015 29 15
85 60 2014 29 16
82 60 2013 28 15
84 58 2012 29 14
80 58 2011 27 14
80 56 2010 27 13
Number of days in August when the temperature in Portland rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2018 29 10
2017 31 11
2016 28 9
2015 31 5
2014 31 9
2013 30 4
2012 31 9
2011 29 2
2010 28 7

Rainy Weather iconRain

This table gives the total precipitation that fell on Portland 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 Portland
Days Year Inches Milli­metres
4 2018 0.1 2
1 2017 0.1 3
2 2016 0.1 2
3 2015 0.8 21
2 2014 0.1 2
7 2013 0.7 17
0 2012 0.0 0
2 2011 0.1 2
2 2010 0.3 8
Reference

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

Portland - Recent Years
Portland - Extremes
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