Portland Weather, When to Go and Climate Information

(Portland, Oregon - OR, USA)

Portland enjoys a mild climate with warm summers and cool winters, and no extremes, making it the perfect holiday destination.

Springtime in Portland, March through early June, is changeable and features a mixture of sunshine, showers and warm weather.

Summertime in Portland is from June through August, and this also features the driest weather. July and August are the hottest months with temperatures reaching around 27°C / 80°F. Coastal fog can occur during this time.


Autumn in Portland is a delightful time to visit Portland, with warm days, a mild climate, clear skies and cool nights.

The winter months are very often cloudy and wet. November through January are the months with the wettest weather of the year in Portland. Daytime temperatures usually reach around 7°C / 43°F. Snow can occur but heavy falls are unusual.

Portland's annual precipitation is around 36 inches / 91 cm.

Portland Weather and Climate Chart (Averages)

The following are the normal daily temperature ranges for Portland:

	Maximum	Minimum
January	4°C / 39°F	-3°C / 27°F
February	8°C / 46°F	0°C / 32°F
March	12°C / 54°F	2°C / 36°F
April	16°C / 61°F	4°C / 39°F
May	21°C / 70°F	8°C / 46°F
June	26°C / 79°F	12°C / 54°F
July	31°C / 88°F	15°C / 59°F
August	30°C / 86°F	14°C / 57°F
September	25°C / 77°F	10°C / 50°F
October	18°C / 64°F	5°C / 41°F
November	9°C / 48°F	1°C / 34°F
December	5°C / 41°F	-2°C / 28°F

Portland Weather Charts - further Portland climate statistics and charts.