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 1990

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
May 1990
1-Month
61.1°F
(16.2°C)
62.7°F
(17.1°C)
-1.6°F
(-0.9°C)
20th Coolest Coolest since: 1983 1967
53rd Warmest Warmest since: 1989 1991
Ties: 1983
Apr–May 1990
2-Month
57.3°F
(14.1°C)
58.0°F
(14.4°C)
-0.7°F
(-0.3°C)
26th Coolest Coolest since: 1989 1967
47th Warmest Warmest since: 1987 2019
Ties: 1979, 1987
Mar–May 1990
3-Month
53.4°F
(11.9°C)
53.0°F
(11.7°C)
0.4°F
(0.2°C)
49th Coolest Coolest since: 1989 1967
22nd Warmest Warmest since: 1985 2012
Ties: 1979, 1983, 2009
Feb–May 1990
4-Month
50.2°F
(10.1°C)
48.5°F
(9.2°C)
1.7°F
(0.9°C)
61st Coolest Coolest since: 1989 1978
10th Warmest Warmest since: 1985 2012
Ties: 1953, 1977, 2000, 2010
Jan–May 1990
5-Month
48.2°F
(9.0°C)
45.3°F
(7.4°C)
2.9°F
(1.6°C)
67th Coolest Coolest since: 1989 1978
4th Warmest Warmest to Date 2012
Ties: 1991
Dec 1989–May 1990
6-Month
44.3°F
(6.8°C)
43.9°F
(6.6°C)
0.4°F
(0.2°C)
45th Coolest Coolest since: 1989 1978
25th Warmest Warmest since: 1985 2012
Nov 1989–May 1990
7-Month
44.3°F
(6.8°C)
44.3°F
(6.8°C)
0.0°F
(0.0°C)
41st Coolest Coolest since: 1989 1978
28th Warmest Warmest since: 1985 2012
Ties: 1980
Oct 1989–May 1990
8-Month
45.9°F
(7.7°C)
45.7°F
(7.6°C)
0.2°F
(0.1°C)
41st Coolest Coolest since: 1989 1978
28th Warmest Warmest since: 1985 2012
Ties: 2004
Sep 1989–May 1990
9-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
41st Coolest Coolest since: 1989 1978
28th Warmest Warmest since: 1985 2012
Aug 1989–May 1990
10-Month
51.0°F
(10.6°C)
51.0°F
(10.6°C)
0.0°F
(0.0°C)
41st Coolest Coolest since: 1989 1978
28th Warmest Warmest since: 1985 2012
Ties: 1955
Jul 1989–May 1990
11-Month
53.2°F
(11.8°C)
53.3°F
(11.8°C)
-0.1°F
(0.0°C)
39th Coolest Coolest since: 1989 1963
30th Warmest Warmest since: 1985 2012
Ties: 1962, 1975, 2009
Jun 1989–May 1990
12-Month
54.9°F
(12.7°C)
54.8°F
(12.7°C)
0.1°F
(0.0°C)
40th Coolest Coolest since: 1989 1963, 1978
29th Warmest Warmest since: 1985 2012
Ties: 1955
Dec 1988–May 1990
18-Month
51.0°F
(10.6°C)
51.2°F
(10.7°C)
-0.2°F
(-0.1°C)
40th Coolest Coolest since: 1989 1979
26th Warmest Warmest since: 1976 2017
Ties: 1960
Jun 1988–May 1990
24-Month
54.5°F
(12.5°C)
54.8°F
(12.7°C)
-0.3°F
(-0.2°C)
35th Coolest Coolest since: 1989 1978
30th Warmest Warmest since: 1985 2017
Ties: 1993, 1996
Jun 1987–May 1990
36-Month
54.4°F
(12.4°C)
54.9°F
(12.7°C)
-0.5°F
(-0.3°C)
25th Coolest Coolest since: 1989 1979
36th Warmest Warmest since: 1985 2018
Ties: 1977, 1994, 1996, 1997
Jun 1986–May 1990
48-Month
54.2°F
(12.3°C)
54.7°F
(12.6°C)
-0.5°F
(-0.3°C)
21st Coolest Coolest since: 1984 1964, 1966, 1968, 1970, 1980
36th Warmest Warmest since: 1985 2019
Jun 1985–May 1990
60-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1967, 1970
-- -- 2019
Ties: 1986, 1987, 1988, 1989, 2013, 2014, 2015, 2016, 2017

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/