Summary Graph

The review climate graph for Portland, OR reflects a selection of temperature, rainfall and snow minimum, mean and also maximum procedures over the course of a year. Click on each the the procedures in the key to toggle them on and off.

You are watching: Coldest temperature ever recorded in portland oregon



The warmest month in Portland International, Portland, Oregon is August through an median high temperature of 81.4°F. The hottest day on record was July 2 1942 as soon as the temperature fight 107.2°F. During January the overnight temperature drops to an typical of 34.0°F v the lowest temperature the -2.0°F being recorded on January 31 1950.
The warmest work on document are:

2 Jul 1942107.2°F
11 Aug 1981106.9°F
30 Jul 2009106°F
3 Sep 1988105.1°F
17 Aug 1977104°F

The warmest month on mean were:

July 198589.7°F
July 200989.4°F
August 198688.5°F
August 198187.4°F
July 199686.5°F

The coldest work on record are:

31 january 1950-2°F
2 Feb 1950-0.9°F
26 january 19577°F
17 Dec 19648.1°F
6 Feb 19899°F

The coldest months on typical were:

January 194922.6°F
January 195023.3°F
January 193723.7°F
January 197924.6°F
December 198525.5°F


The wettest month in Portland, OR is December with an typical of 3.6 inches of rain fall on 20 come 21 days. The driest month in Portland, OR is July v an typical of 0.5 customs of rain fall on 5 come 6 days.

Wettest Days

The wettest job on record are:

7 November 20062.6 inches
1 November 19942.4 inches
26 November 19982.4 inches
23 November 20112.3 inches
2 November 19842.3 inches

Wettest Months

The wettest month on document are:

November 200611.9 inches
December 197711.5 inches
November 197311.4 inches
January 200610.4 inches
November 199510.3 inches

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Driest Months

The driest months on record are:

May 19380 inches
January 19440 inches
January 19500 inches
February 19610 inches
October 19360 inches


The climate an introduction for this page is based on data from the an international Summary of the Day and is based on weather observations between May 1936 through to December 2012 at Portland International, Portland, Oregon .