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 October 2019. For more information, please see Climatological Rankings.


Portland, Maine

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
54.7°F
(12.6°C)
54.0°F
(12.2°C)
0.7°F
(0.4°C)
94th Coolest Coolest since: 1997 1917
32nd Warmest Warmest since: 1998 2015
Ties: 1922, 1937, 2014, 2016
Apr–May 1999
2-Month
49.9°F
(9.9°C)
49.0°F
(9.4°C)
0.9°F
(0.5°C)
109th Coolest Coolest since: 1997 1907
17th Warmest Warmest since: 1998 2010
Mar–May 1999
3-Month
45.2°F
(7.3°C)
43.8°F
(6.6°C)
1.4°F
(0.7°C)
117th Coolest Coolest since: 1997 1926
9th Warmest Warmest since: 1998 2010
Ties: 2006
Feb–May 1999
4-Month
41.3°F
(5.2°C)
39.4°F
(4.1°C)
1.9°F
(1.1°C)
119th Coolest Coolest since: 1997 1907
6th Warmest Warmest since: 1998 2010
Jan–May 1999
5-Month
37.5°F
(3.1°C)
36.0°F
(2.2°C)
1.5°F
(0.9°C)
113th Coolest Coolest since: 1997 1907
11th Warmest Warmest since: 1998 2010
Ties: 1921, 2017
Dec 1998–May 1999
6-Month
36.7°F
(2.6°C)
34.8°F
(1.6°C)
1.9°F
(1.0°C)
113th Coolest Coolest since: 1997 1907
8th Warmest Warmest since: 1998 2012
Ties: 1949, 1951, 2006
Nov 1998–May 1999
7-Month
37.1°F
(2.8°C)
35.4°F
(1.9°C)
1.7°F
(0.9°C)
107th Coolest Coolest since: 1997 1905
11th Warmest Warmest since: 1998 2012
Oct 1998–May 1999
8-Month
38.7°F
(3.7°C)
37.2°F
(2.9°C)
1.5°F
(0.8°C)
108th Coolest Coolest since: 1997 1905
10th Warmest Warmest since: 1998 2012
Ties: 1953, 2013
Sep 1998–May 1999
9-Month
41.2°F
(5.1°C)
39.7°F
(4.3°C)
1.5°F
(0.8°C)
108th Coolest Coolest since: 1997 1905
10th Warmest Warmest since: 1998 2012
Aug 1998–May 1999
10-Month
44.1°F
(6.7°C)
42.6°F
(5.9°C)
1.5°F
(0.8°C)
109th Coolest Coolest since: 1998 1905
9th Warmest Warmest since: 1991 2012
Jul 1998–May 1999
11-Month
46.4°F
(8.0°C)
45.0°F
(7.2°C)
1.4°F
(0.8°C)
108th Coolest Coolest since: 1998 1905
10th Warmest Warmest since: 1991 2012
Ties: 1953
Jun 1998–May 1999
12-Month
47.6°F
(8.7°C)
46.5°F
(8.1°C)
1.1°F
(0.6°C)
105th Coolest Coolest since: 1997 1905
13th Warmest Warmest since: 1998 2012
Ties: 2018
Dec 1997–May 1999
18-Month
44.5°F
(6.9°C)
42.6°F
(5.9°C)
1.9°F
(1.0°C)
110th Coolest Coolest since: 1998 1905
4th Warmest Warmest to Date 2013
Jun 1997–May 1999
24-Month
47.6°F
(8.7°C)
46.5°F
(8.1°C)
1.1°F
(0.6°C)
103rd Coolest Coolest since: 1998 1905
8th Warmest Warmest to Date 2013
Ties: 2011
Jun 1996–May 1999
36-Month
47.1°F
(8.4°C)
46.5°F
(8.1°C)
0.6°F
(0.3°C)
92nd Coolest Coolest since: 1998 1906
12th Warmest Warmest since: 1951 2012
Ties: 1951, 2001, 2007
Jun 1995–May 1999
48-Month
46.6°F
(8.1°C)
46.4°F
(8.0°C)
0.2°F
(0.1°C)
73rd Coolest Coolest since: 1998 1906
24th Warmest Warmest since: 1992 2013
Ties: 1951
Jun 1994–May 1999
60-Month
46.7°F
(8.2°C)
46.4°F
(8.0°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1998 1906
22nd Warmest Warmest since: 1955 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published November 2019, retrieved on November 17, 2019 from https://www.ncdc.noaa.gov/cag/