Portland - Recent May Temperatures and Rainfall

The numbers here describe what the May weather in Portland, Oregon was like for every year since 2010. A series of tables gives May 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 hot days occurred each May. 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.