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.


Wilmington, Delaware

Average Temperature Rankings, May 1989

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
May 1989
1-Month
61.4°F
(16.3°C)
62.6°F
(17.0°C)
-1.2°F
(-0.7°C)
26th Coolest Coolest since: 1984 1967
47th Warmest Warmest since: 1988 2004
Ties: 1984
Apr–May 1989
2-Month
56.1°F
(13.4°C)
57.8°F
(14.3°C)
-1.7°F
(-0.9°C)
17th Coolest Coolest since: 1988 1967
56th Warmest Warmest since: 1987 2019
Ties: 1973
Mar–May 1989
3-Month
51.1°F
(10.6°C)
52.8°F
(11.6°C)
-1.7°F
(-1.0°C)
20th Coolest Coolest since: 1984 1967
51st Warmest Warmest since: 1988 2012
Feb–May 1989
4-Month
46.7°F
(8.2°C)
48.3°F
(9.1°C)
-1.6°F
(-0.9°C)
22nd Coolest Coolest since: 1984 1978
49th Warmest Warmest since: 1988 2012
Ties: 1984, 2014
Jan–May 1989
5-Month
44.4°F
(6.9°C)
45.1°F
(7.3°C)
-0.7°F
(-0.4°C)
34th Coolest Coolest since: 1988 1978
37th Warmest Warmest since: 1985 2012
Dec 1988–May 1989
6-Month
42.7°F
(5.9°C)
43.7°F
(6.5°C)
-1.0°F
(-0.6°C)
31st Coolest Coolest since: 1988 1978
39th Warmest Warmest since: 1985 2012
Nov 1988–May 1989
7-Month
43.2°F
(6.2°C)
44.1°F
(6.7°C)
-0.9°F
(-0.5°C)
32nd Coolest Coolest since: 1988 1978
37th Warmest Warmest since: 1985 2012
Ties: 1950, 1972
Oct 1988–May 1989
8-Month
44.0°F
(6.7°C)
45.5°F
(7.5°C)
-1.5°F
(-0.8°C)
20th Coolest Coolest since: 1988 1978
49th Warmest Warmest since: 1987 2012
Ties: 1965
Sep 1988–May 1989
9-Month
46.4°F
(8.0°C)
48.0°F
(8.9°C)
-1.6°F
(-0.9°C)
15th Coolest Coolest since: 1982 1978
54th Warmest Warmest since: 1988 2012
Ties: 1964
Aug 1988–May 1989
10-Month
49.4°F
(9.7°C)
50.7°F
(10.4°C)
-1.3°F
(-0.7°C)
20th Coolest Coolest since: 1988 1978
49th Warmest Warmest since: 1987 2012
Ties: 1987, 1996, 2014
Jul 1988–May 1989
11-Month
52.0°F
(11.1°C)
53.0°F
(11.7°C)
-1.0°F
(-0.6°C)
22nd Coolest Coolest since: 1988 1963
47th Warmest Warmest since: 1985 2012
Ties: 1984, 1996
Jun 1988–May 1989
12-Month
53.6°F
(12.0°C)
54.6°F
(12.6°C)
-1.0°F
(-0.6°C)
21st Coolest Coolest since: 1988 1963
48th Warmest Warmest since: 1988 2012
Ties: 1971, 1973, 1981, 1984, 1988
Dec 1987–May 1989
18-Month
49.8°F
(9.9°C)
50.9°F
(10.5°C)
-1.1°F
(-0.6°C)
20th Coolest Coolest since: 1982 1979
46th Warmest Warmest since: 1988 2017
Ties: 1951
Jun 1987–May 1989
24-Month
53.6°F
(12.0°C)
54.6°F
(12.6°C)
-1.0°F
(-0.6°C)
18th Coolest Coolest since: 1988 1978
47th Warmest Warmest since: 1985 2017
Ties: 1977, 1994
Jun 1986–May 1989
36-Month
53.6°F
(12.0°C)
54.6°F
(12.6°C)
-1.0°F
(-0.6°C)
19th Coolest Coolest since: 1982 1979
42nd Warmest Warmest since: 1985 2018
Ties: 1960, 1962
Jun 1985–May 1989
48-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1966
-- -- 2019
Ties: 1986, 1987, 1988, 2013, 2014, 2015, 2016
Jun 1984–May 1989
60-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1967
-- -- 2019
Ties: 1986, 1987, 1988, 1990, 2013, 2014, 2015, 2016, 2017

Citing This Page

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