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


Wilmington, Delaware

Average Temperature Rankings, May 2018

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
May 2018
1-Month
67.5°F
(19.7°C)
62.8°F
(17.1°C)
4.7°F
(2.6°C)
69th Coolest Coolest since: 2017 1967
4th Warmest Warmest since: 2015 1991
Apr–May 2018
2-Month
58.9°F
(14.9°C)
58.0°F
(14.4°C)
0.9°F
(0.5°C)
51st Coolest Coolest since: 2016 1967
22nd Warmest Warmest since: 2017 2019
Ties: 1981, 1994
Mar–May 2018
3-Month
52.4°F
(11.3°C)
53.0°F
(11.7°C)
-0.6°F
(-0.4°C)
27th Coolest Coolest since: 2014 1967
44th Warmest Warmest since: 2017 2012
Ties: 1952, 1969
Feb–May 2018
4-Month
49.5°F
(9.7°C)
48.6°F
(9.2°C)
0.9°F
(0.5°C)
50th Coolest Coolest since: 2015 1978
21st Warmest Warmest since: 2017 2012
Ties: 1955
Jan–May 2018
5-Month
45.9°F
(7.7°C)
45.4°F
(7.4°C)
0.5°F
(0.3°C)
49th Coolest Coolest since: 2015 1978
22nd Warmest Warmest since: 2017 2012
Ties: 1955
Dec 2017–May 2018
6-Month
44.1°F
(6.7°C)
44.0°F
(6.7°C)
0.1°F
(0.0°C)
43rd Coolest Coolest since: 2015 1978
27th Warmest Warmest since: 2017 2012
Ties: 1955
Nov 2017–May 2018
7-Month
44.4°F
(6.9°C)
44.3°F
(6.8°C)
0.1°F
(0.1°C)
44th Coolest Coolest since: 2015 1978
25th Warmest Warmest since: 2017 2012
Ties: 1973, 1992
Oct 2017–May 2018
8-Month
46.6°F
(8.1°C)
45.7°F
(7.6°C)
0.9°F
(0.5°C)
50th Coolest Coolest since: 2015 1978
19th Warmest Warmest since: 2017 2012
Sep 2017–May 2018
9-Month
49.2°F
(9.6°C)
48.2°F
(9.0°C)
1.0°F
(0.6°C)
52nd Coolest Coolest since: 2015 1978
17th Warmest Warmest since: 2017 2012
Aug 2017–May 2018
10-Month
51.7°F
(10.9°C)
51.0°F
(10.6°C)
0.7°F
(0.3°C)
53rd Coolest Coolest since: 2015 1978
16th Warmest Warmest since: 2017 2012
Ties: 2010
Jul 2017–May 2018
11-Month
54.1°F
(12.3°C)
53.3°F
(11.8°C)
0.8°F
(0.5°C)
53rd Coolest Coolest since: 2015 1963
16th Warmest Warmest since: 2017 2012
Ties: 1953
Jun 2017–May 2018
12-Month
55.7°F
(13.2°C)
54.9°F
(12.7°C)
0.8°F
(0.5°C)
56th Coolest Coolest since: 2015 1963, 1978
13th Warmest Warmest since: 2017 2012
Ties: 1949, 1953, 1976, 1998, 2011
Dec 2016–May 2018
18-Month
52.7°F
(11.5°C)
51.2°F
(10.7°C)
1.5°F
(0.8°C)
62nd Coolest Coolest since: 2016 1979
4th Warmest Warmest since: 2017 2017
Jun 2016–May 2018
24-Month
56.6°F
(13.7°C)
54.8°F
(12.7°C)
1.8°F
(1.0°C)
62nd Coolest Coolest since: 2016 1978
3rd Warmest Warmest since: 2017 2017
Jun 2015–May 2018
36-Month
56.8°F
(13.8°C)
54.8°F
(12.7°C)
2.0°F
(1.1°C)
60th Coolest Coolest since: 2017 1979
1st Warmest Warmest to Date 2018
Jun 2014–May 2018
48-Month
56.1°F
(13.4°C)
54.8°F
(12.7°C)
1.3°F
(0.7°C)
55th Coolest Coolest since: 2017 1964, 1966, 1968, 1970, 1980
2nd Warmest Warmest to Date 2019
Jun 2013–May 2018
60-Month
55.7°F
(13.2°C)
54.8°F
(12.7°C)
0.9°F
(0.5°C)
51st Coolest Coolest since: 2011 1967, 1970
3rd Warmest Warmest since: 2012 2019
Ties: 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/