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 1997

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
May 1997
1-Month
58.9°F
(14.9°C)
62.7°F
(17.1°C)
-3.8°F
(-2.2°C)
4th Coolest Coolest since: 1967 1967
69th Warmest Warmest since: 1996 1991
Apr–May 1997
2-Month
54.7°F
(12.6°C)
58.0°F
(14.4°C)
-3.3°F
(-1.8°C)
4th Coolest Coolest since: 1967 1967
69th Warmest Warmest since: 1996 2019
Mar–May 1997
3-Month
51.0°F
(10.6°C)
53.0°F
(11.7°C)
-2.0°F
(-1.1°C)
14th Coolest Coolest since: 1996 1967
57th Warmest Warmest since: 1995 2012
Ties: 1992
Feb–May 1997
4-Month
48.0°F
(8.9°C)
48.6°F
(9.2°C)
-0.6°F
(-0.3°C)
38th Coolest Coolest since: 1996 1978
33rd Warmest Warmest since: 1991 2012
Ties: 1951, 1982
Jan–May 1997
5-Month
44.8°F
(7.1°C)
45.3°F
(7.4°C)
-0.5°F
(-0.3°C)
32nd Coolest Coolest since: 1996 1978
39th Warmest Warmest since: 1995 2012
Ties: 1993
Dec 1996–May 1997
6-Month
43.9°F
(6.6°C)
43.9°F
(6.6°C)
0.0°F
(0.0°C)
39th Coolest Coolest since: 1996 1978
31st Warmest Warmest since: 1995 2012
Ties: 2004
Nov 1996–May 1997
7-Month
43.4°F
(6.3°C)
44.3°F
(6.8°C)
-0.9°F
(-0.5°C)
28th Coolest Coolest since: 1996 1978
41st Warmest Warmest since: 1995 2012
Ties: 1951, 1965, 1988
Oct 1996–May 1997
8-Month
44.9°F
(7.2°C)
45.7°F
(7.6°C)
-0.8°F
(-0.4°C)
27th Coolest Coolest since: 1996 1978
42nd Warmest Warmest since: 1995 2012
Ties: 1964, 1969, 1987
Sep 1996–May 1997
9-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
29th Coolest Coolest since: 1996 1978
40th Warmest Warmest since: 1995 2012
Ties: 1971
Aug 1996–May 1997
10-Month
50.2°F
(10.1°C)
51.0°F
(10.6°C)
-0.8°F
(-0.5°C)
29th Coolest Coolest since: 1996 1978
40th Warmest Warmest since: 1995 2012
Jul 1996–May 1997
11-Month
52.4°F
(11.3°C)
53.3°F
(11.8°C)
-0.9°F
(-0.5°C)
25th Coolest Coolest since: 1996 1963
44th Warmest Warmest since: 1995 2012
Ties: 1993
Jun 1996–May 1997
12-Month
54.1°F
(12.3°C)
54.8°F
(12.7°C)
-0.7°F
(-0.4°C)
26th Coolest Coolest since: 1996 1963, 1978
43rd Warmest Warmest since: 1995 2012
Ties: 1981, 1988, 1989
Dec 1995–May 1997
18-Month
49.8°F
(9.9°C)
51.2°F
(10.7°C)
-1.4°F
(-0.8°C)
12th Coolest Coolest since: 1982 1979
54th Warmest Warmest since: 1996 2017
Ties: 1966
Jun 1995–May 1997
24-Month
53.9°F
(12.2°C)
54.8°F
(12.7°C)
-0.9°F
(-0.5°C)
15th Coolest Coolest since: 1982 1978
50th Warmest Warmest since: 1996 2017
Ties: 2015
Jun 1994–May 1997
36-Month
54.4°F
(12.4°C)
54.9°F
(12.7°C)
-0.5°F
(-0.3°C)
25th Coolest Coolest since: 1996 1979
36th Warmest Warmest since: 1996 2018
Ties: 1977, 1990, 1994, 1996
Jun 1993–May 1997
48-Month
54.4°F
(12.4°C)
54.8°F
(12.7°C)
-0.4°F
(-0.3°C)
24th Coolest Coolest since: 1996 1964, 1966, 1968, 1970, 1980
33rd Warmest Warmest since: 1995 2019
Ties: 1958, 1960
Jun 1992–May 1997
60-Month
54.2°F
(12.3°C)
54.7°F
(12.6°C)
-0.5°F
(-0.3°C)
20th Coolest Coolest since: 1984 1967, 1970
34th Warmest Warmest since: 1996 2019
Ties: 1959

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/