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 February 2020. For more information, please see Climatological Rankings.


Portland, Oregon

Average Temperature Rankings, May 1999

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1999
1-Month
55.2°F
(12.9°C)
58.4°F
(14.7°C)
-3.2°F
(-1.8°C)
10th Coolest Coolest since: 1991 1955
73rd Warmest Warmest since: 1998 1992
Ties: 1950, 1974
Apr–May 1999
2-Month
53.1°F
(11.7°C)
55.4°F
(13.0°C)
-2.3°F
(-1.3°C)
17th Coolest Coolest since: 1991 1955
66th Warmest Warmest since: 1998 2016
Mar–May 1999
3-Month
50.8°F
(10.4°C)
53.0°F
(11.7°C)
-2.2°F
(-1.3°C)
15th Coolest Coolest since: 1991 1955
67th Warmest Warmest since: 1998 2016
Ties: 1963
Feb–May 1999
4-Month
49.1°F
(9.5°C)
50.7°F
(10.4°C)
-1.6°F
(-0.9°C)
16th Coolest Coolest since: 1989 1955
66th Warmest Warmest since: 1998 2016
Jan–May 1999
5-Month
47.9°F
(8.8°C)
48.9°F
(9.4°C)
-1.0°F
(-0.6°C)
33rd Coolest Coolest since: 1993 1950
49th Warmest Warmest since: 1998 1992, 2016
Ties: 1967, 1970, 1988, 1991
Dec 1998–May 1999
6-Month
46.7°F
(8.2°C)
47.5°F
(8.6°C)
-0.8°F
(-0.4°C)
38th Coolest Coolest since: 1993 1950
44th Warmest Warmest since: 1998 2016
Ties: 1965
Nov 1998–May 1999
7-Month
47.1°F
(8.4°C)
47.4°F
(8.6°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 1993 1949
36th Warmest Warmest since: 1998 1992
Ties: 1970, 2014
Oct 1998–May 1999
8-Month
48.0°F
(8.9°C)
48.3°F
(9.1°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1993 1950
37th Warmest Warmest since: 1998 2016
Ties: 1947, 1951, 1954, 1963, 2002, 2014
Sep 1998–May 1999
9-Month
50.1°F
(10.1°C)
50.1°F
(10.1°C)
0.0°F
(0.0°C)
51st Coolest Coolest since: 1997 1949, 1950
31st Warmest Warmest since: 1998 2015
Ties: 1945, 1959, 1988
Aug 1998–May 1999
10-Month
52.3°F
(11.3°C)
52.1°F
(11.2°C)
0.2°F
(0.1°C)
62nd Coolest Coolest since: 1997 1949
20th Warmest Warmest since: 1998 2015
Ties: 2006, 2010
Jul 1998–May 1999
11-Month
54.0°F
(12.2°C)
53.6°F
(12.0°C)
0.4°F
(0.2°C)
66th Coolest Coolest since: 1997 1949
16th Warmest Warmest since: 1998 2015
Ties: 1958, 2000
Jun 1998–May 1999
12-Month
54.8°F
(12.7°C)
54.5°F
(12.5°C)
0.3°F
(0.2°C)
63rd Coolest Coolest since: 1997 1955
19th Warmest Warmest since: 1998 2016
Ties: 1939
Dec 1997–May 1999
18-Month
52.6°F
(11.4°C)
52.1°F
(11.2°C)
0.5°F
(0.2°C)
64th Coolest Coolest since: 1997 1950
17th Warmest Warmest since: 1998 2016
Ties: 2007
Jun 1997–May 1999
24-Month
55.1°F
(12.8°C)
54.5°F
(12.5°C)
0.6°F
(0.3°C)
69th Coolest Coolest since: 1998 1956
12th Warmest Warmest since: 1993 2016
Ties: 2006
Jun 1996–May 1999
36-Month
54.9°F
(12.7°C)
54.4°F
(12.4°C)
0.5°F
(0.3°C)
69th Coolest Coolest since: 1998 1957
11th Warmest Warmest since: 1998 2016
Ties: 1942, 1992, 1994, 1998, 2000
Jun 1995–May 1999
48-Month
54.9°F
(12.7°C)
54.5°F
(12.5°C)
0.4°F
(0.2°C)
70th Coolest Coolest since: 1998 1957
9th Warmest Warmest since: 1998 2018
Ties: 1942, 1995, 1998
Jun 1994–May 1999
60-Month
54.9°F
(12.7°C)
54.4°F
(12.4°C)
0.5°F
(0.3°C)
69th Coolest Coolest since: 1998 1957
9th Warmest Warmest since: 1996 2019
Ties: 1996, 2015

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published March 2020, retrieved on March 29, 2020 from https://www.ncdc.noaa.gov/cag/