Climate at a Glance

City Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of March 2020. For more information, please see Climatological Rankings.


Portland, Oregon

Average Temperature Rankings, May 1991

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1991
1-Month
54.4°F
(12.4°C)
58.2°F
(14.6°C)
-3.8°F
(-2.2°C)
3rd Coolest Coolest since: 1955 1955
80th Warmest Warmest since: 1990 2018
Apr–May 1991
2-Month
52.4°F
(11.3°C)
55.1°F
(12.8°C)
-2.7°F
(-1.5°C)
6th Coolest Coolest since: 1975 1955
77th Warmest Warmest since: 1990 2016
Mar–May 1991
3-Month
50.2°F
(10.1°C)
52.7°F
(11.5°C)
-2.5°F
(-1.4°C)
8th Coolest Coolest since: 1975 1955
74th Warmest Warmest since: 1990 2016
Ties: 1967
Feb–May 1991
4-Month
49.8°F
(9.9°C)
50.5°F
(10.3°C)
-0.7°F
(-0.4°C)
28th Coolest Coolest since: 1989 1955
54th Warmest Warmest since: 1990 2016
Ties: 1969, 1988, 2001, 2009
Jan–May 1991
5-Month
47.6°F
(8.7°C)
48.7°F
(9.3°C)
-1.1°F
(-0.6°C)
31st Coolest Coolest since: 1989 1950
51st Warmest Warmest since: 1990 1992, 2016
Ties: 1988, 1999
Dec 1990–May 1991
6-Month
45.4°F
(7.4°C)
47.3°F
(8.5°C)
-1.9°F
(-1.1°C)
7th Coolest Coolest since: 1985 1950
75th Warmest Warmest since: 1990 2016
Ties: 1960, 1971, 2011
Nov 1990–May 1991
7-Month
45.7°F
(7.6°C)
47.1°F
(8.4°C)
-1.4°F
(-0.8°C)
13th Coolest Coolest since: 1986 1949, 1950
69th Warmest Warmest since: 1990 1992
Oct 1990–May 1991
8-Month
46.7°F
(8.2°C)
48.1°F
(8.9°C)
-1.4°F
(-0.7°C)
13th Coolest Coolest since: 1986 1950
69th Warmest Warmest since: 1990 2016
Sep 1990–May 1991
9-Month
48.9°F
(9.4°C)
49.9°F
(9.9°C)
-1.0°F
(-0.5°C)
19th Coolest Coolest since: 1986 1950, 1986
63rd Warmest Warmest since: 1990 2015
Ties: 1948, 1965
Aug 1990–May 1991
10-Month
51.1°F
(10.6°C)
51.8°F
(11.0°C)
-0.7°F
(-0.4°C)
25th Coolest Coolest since: 1986 1949
57th Warmest Warmest since: 1990 2015
Ties: 1942, 1970, 1975, 1984
Jul 1990–May 1991
11-Month
52.9°F
(11.6°C)
53.4°F
(11.9°C)
-0.5°F
(-0.3°C)
30th Coolest Coolest since: 1989 1949
52nd Warmest Warmest since: 1990 2015
Ties: 1943, 1954, 1989
Jun 1990–May 1991
12-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
29th Coolest Coolest since: 1989 1955
53rd Warmest Warmest since: 1990 2016
Ties: 1973, 1989, 2009
Dec 1989–May 1991
18-Month
51.6°F
(10.9°C)
51.9°F
(11.1°C)
-0.3°F
(-0.2°C)
37th Coolest Coolest since: 1990 1950
44th Warmest Warmest since: 1988 2016
Ties: 1945, 1946, 1948, 1953, 1978, 1981
Jun 1989–May 1991
24-Month
53.8°F
(12.1°C)
54.2°F
(12.3°C)
-0.4°F
(-0.2°C)
32nd Coolest Coolest since: 1990 1956
49th Warmest Warmest since: 1990 2016
Ties: 1945, 1947, 1952, 1963, 1990
Jun 1988–May 1991
36-Month
53.8°F
(12.1°C)
54.2°F
(12.3°C)
-0.4°F
(-0.2°C)
27th Coolest Coolest since: 1988 1957
53rd Warmest Warmest since: 1990 2016
Ties: 1945, 1946, 1954, 1980, 1981, 1988, 2002, 2011, 2012, 2013
Jun 1987–May 1991
48-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
42nd Coolest Coolest since: 1989 1957
37th Warmest Warmest since: 1990 2018
Ties: 1954, 1981, 2014
Jun 1986–May 1991
60-Month
54.0°F
(12.2°C)
54.1°F
(12.3°C)
-0.1°F
(-0.1°C)
46th Coolest Coolest since: 1990 1957
32nd Warmest Warmest since: 1984 2019
Ties: 1963, 1969, 1983, 1984, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published April 2020, retrieved on April 9, 2020 from https://www.ncdc.noaa.gov/cag/