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 August 2022. 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
(1895-2022)
Warmest/Coolest
Since
Record
May 1990
1-Month
61.0°F
(16.1°C)
62.9°F
(17.2°C)
-1.9°F
(-1.1°C)
21st Coolest Coolest since: 1983 1967
55th Warmest Warmest since: 1989 2004
Ties: 1960, 1983
Apr–May 1990
2-Month
57.1°F
(13.9°C)
58.1°F
(14.5°C)
-1.0°F
(-0.6°C)
26th Coolest Coolest since: 1989 1967
50th Warmest Warmest since: 1987 2019
Ties: 1979, 1987
Mar–May 1990
3-Month
53.2°F
(11.8°C)
53.0°F
(11.7°C)
0.2°F
(0.1°C)
45th Coolest Coolest since: 1989 1950
29th Warmest Warmest since: 1985 2012
Ties: 1979
Feb–May 1990
4-Month
50.1°F
(10.1°C)
48.7°F
(9.3°C)
1.4°F
(0.8°C)
60th Coolest Coolest since: 1989 1978
14th Warmest Warmest since: 1985 2012
Ties: 2011
Jan–May 1990
5-Month
48.0°F
(8.9°C)
45.3°F
(7.4°C)
2.7°F
(1.5°C)
67th Coolest Coolest since: 1989 1978
7th Warmest Warmest to Date 2012
Ties: 1991
Dec 1989–May 1990
6-Month
44.1°F
(6.7°C)
44.0°F
(6.7°C)
0.1°F
(0.0°C)
43rd Coolest Coolest since: 1989 1978
30th Warmest Warmest since: 1985 2012
Ties: 1997, 2018
Nov 1989–May 1990
7-Month
44.1°F
(6.7°C)
44.3°F
(6.8°C)
-0.2°F
(-0.1°C)
39th Coolest Coolest since: 1989 1978
33rd Warmest Warmest since: 1985 2012
Oct 1989–May 1990
8-Month
45.7°F
(7.6°C)
45.8°F
(7.7°C)
-0.1°F
(-0.1°C)
42nd Coolest Coolest since: 1989 1978
30th Warmest Warmest since: 1985 2012
Sep 1989–May 1990
9-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
42nd Coolest Coolest since: 1989 1978
30th Warmest Warmest since: 1985 2012
Ties: 1957, 1960
Aug 1989–May 1990
10-Month
50.8°F
(10.4°C)
51.0°F
(10.6°C)
-0.2°F
(-0.2°C)
41st Coolest Coolest since: 1989 1963, 1978
31st Warmest Warmest since: 1985 2012
Jul 1989–May 1990
11-Month
53.0°F
(11.7°C)
53.3°F
(11.8°C)
-0.3°F
(-0.1°C)
40th Coolest Coolest since: 1989 1963
32nd Warmest Warmest since: 1985 2012
Ties: 1955
Jun 1989–May 1990
12-Month
54.7°F
(12.6°C)
54.8°F
(12.7°C)
-0.1°F
(-0.1°C)
40th Coolest Coolest since: 1989 1963
32nd Warmest Warmest since: 1985 2012
Dec 1988–May 1990
18-Month
50.8°F
(10.4°C)
51.2°F
(10.7°C)
-0.4°F
(-0.3°C)
37th Coolest Coolest since: 1989 1979
32nd Warmest Warmest since: 1976 2017
Ties: 2001
Jun 1988–May 1990
24-Month
54.3°F
(12.4°C)
54.9°F
(12.7°C)
-0.6°F
(-0.3°C)
29th Coolest Coolest since: 1989 1978
39th Warmest Warmest since: 1985 2017
Ties: 1984, 1993
Jun 1987–May 1990
36-Month
54.2°F
(12.3°C)
54.9°F
(12.7°C)
-0.7°F
(-0.4°C)
24th Coolest Coolest since: 1989 1979
40th Warmest Warmest since: 1985 2022
Ties: 1951, 1957, 1994
Jun 1986–May 1990
48-Month
54.1°F
(12.3°C)
54.9°F
(12.7°C)
-0.8°F
(-0.4°C)
22nd Coolest Coolest since: 1984 1966
38th Warmest Warmest since: 1985 2019, 2020, 2022
Ties: 1972, 1983
Jun 1985–May 1990
60-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1967
-- -- 2020
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, Average Temperature, published September 2022, retrieved on September 26, 2022 from https://www.ncdc.noaa.gov/cag/