Monthly Climate Data for Portland Oregon

  • 01 of 03

    Average High and Low Temperature by Month

    Monthly Precipitation in Portland Oregon
    ••• Monthly Precipitation in Portland Oregon. Angela M Brown

    Average High Temperature (° Fahrenheit):

    Jan 45.1

    Feb 50.6

    Mar 55.3

    Apr 60.8

    May 67.5

    Jun 73.2

    Jul 80

    Aug 79.9

    Sep 75

    Oct 63.6

    Nov 52.5

    Dec 46

    Average Low Temperature (° Fahrenheit):

    Jan 34

    Feb 36

    Mar 38.4

    Apr 41.9

    May 47.5

    Jun 52.9

    Jul 56.8

    Aug 56.9

    Sep 52

    Oct 45.2

    Nov 39.5

    Dec 35.4

    This average monthly high and low temperate, precipitation, and snowfall data is provided by the Western Regional Climate Center. It is based on measurements taken at the the Portland International Airport from April 1, 1938 through January 20, 2015.

    Continue to 2 of 3 below.
  • 02 of 03

    Average Precipitation by Month

    Average Monthly Rainfall in Portland, Oregon
    ••• Average Monthly Rainfall in Portland, Oregon. Angela M Brown

    The average total annual rainfall in Portland, OR is 36.69 inches.

    Average Total Rainfall in inches:

    Jan 5.41

    Feb 3.91

    Mar 3.67

    Apr 2.49

    May 2.2

    Jun 1.54

    Jul 0.55

    Aug 0.89

    Sep 1.54

    Oct 3.05

    Nov 5.54

    Dec 5.89

    How does Portland's rainfall compare to other US cities?

    Annual Snowfall in Portland, OR

    Average High and Low Temperature in Portland, OR by Month

    Continue to 3 of 3 below.
  • 03 of 03

    Average Snowfall by Month

    Average Monthly Snowfall in Portland Oregon
    ••• Average Monthly Snowfall in Portland Oregon. Angela M Brown

    The average total annual snowfall in Portland, OR is 6.6 inches.

    Average Total Snowfall in inches:

    Jan 3.2

    Feb 1.1

    Mar 0.4

    Apr 0

    May 0

    Jun 0

    Jul 0

    Aug 0

    Sep 0

    Oct 0

    Nov 0.4

    Dec 1.4

    Annual Rainfall in Portland, OR

    Average High and Low Temperature in Portland, OR by Month