Weather atlas / The seasons

Climate in Portland

Portland experiences a mild, temperate climate with four distinct seasons. Temperatures typically range from cool and damp in winter to warm and relatively dry in summer. Visitors should expect frequent rain and overcast skies throughout the year.

Temperature in °C · Rainfall in mm · Monthly climate averages

Temperature

Precipitation

Monthly Averages

Monthly detail · Scroll the table to see all measurements →

MonthHigh °CAvg °CLow °CRainDaysSun (h)Comfort
May28°20°14°0mm0
92

All-time Records

Record High29.8°CMay
Record Low12.1°CMay
Driest Month0mmMay
Sunniest MonthhMay

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