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 1998

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
May 1998
1-Month
65.6°F
(18.7°C)
62.8°F
(17.1°C)
2.8°F
(1.6°C)
63rd Coolest Coolest since: 1997 1967
10th Warmest Warmest since: 1991 1991
Ties: 1985, 2010
Apr–May 1998
2-Month
60.0°F
(15.6°C)
58.0°F
(14.4°C)
2.0°F
(1.2°C)
61st Coolest Coolest since: 1997 1967
12th Warmest Warmest since: 1991 2019
Mar–May 1998
3-Month
55.0°F
(12.8°C)
53.0°F
(11.7°C)
2.0°F
(1.1°C)
63rd Coolest Coolest since: 1997 1967
8th Warmest Warmest since: 1991 2012
Feb–May 1998
4-Month
51.6°F
(10.9°C)
48.6°F
(9.2°C)
3.0°F
(1.7°C)
67th Coolest Coolest since: 1997 1978
4th Warmest Warmest since: 1991 2012
Jan–May 1998
5-Month
49.3°F
(9.6°C)
45.4°F
(7.4°C)
3.9°F
(2.2°C)
69th Coolest Coolest since: 1997 1978
2nd Warmest Warmest to Date 2012
Dec 1997–May 1998
6-Month
47.4°F
(8.6°C)
44.0°F
(6.7°C)
3.4°F
(1.9°C)
68th Coolest Coolest since: 1997 1978
2nd Warmest Warmest to Date 2012
Nov 1997–May 1998
7-Month
46.9°F
(8.3°C)
44.3°F
(6.8°C)
2.6°F
(1.5°C)
63rd Coolest Coolest since: 1997 1978
6th Warmest Warmest since: 1991 2012
Oct 1997–May 1998
8-Month
48.0°F
(8.9°C)
45.8°F
(7.7°C)
2.2°F
(1.2°C)
63rd Coolest Coolest since: 1997 1978
6th Warmest Warmest since: 1991 2012
Sep 1997–May 1998
9-Month
50.0°F
(10.0°C)
48.2°F
(9.0°C)
1.8°F
(1.0°C)
62nd Coolest Coolest since: 1997 1978
7th Warmest Warmest since: 1991 2012
Aug 1997–May 1998
10-Month
52.3°F
(11.3°C)
50.9°F
(10.5°C)
1.4°F
(0.8°C)
60th Coolest Coolest since: 1997 1978
9th Warmest Warmest since: 1991 2012
Ties: 1999
Jul 1997–May 1998
11-Month
54.5°F
(12.5°C)
53.3°F
(11.8°C)
1.2°F
(0.7°C)
59th Coolest Coolest since: 1997 1963
10th Warmest Warmest since: 1991 2012
Ties: 1974
Jun 1997–May 1998
12-Month
55.7°F
(13.2°C)
54.8°F
(12.7°C)
0.9°F
(0.5°C)
56th Coolest Coolest since: 1997 1963, 1978
13th Warmest Warmest since: 1991 2012
Ties: 1949, 1953, 1976, 2011, 2018
Dec 1996–May 1998
18-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
46th Coolest Coolest since: 1997 1979
20th Warmest Warmest since: 1992 2017
Jun 1996–May 1998
24-Month
54.9°F
(12.7°C)
54.8°F
(12.7°C)
0.1°F
(0.0°C)
41st Coolest Coolest since: 1997 1978
24th Warmest Warmest since: 1992 2017
Jun 1995–May 1998
36-Month
54.5°F
(12.5°C)
54.8°F
(12.7°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1997 1979
27th Warmest Warmest since: 1995 2018
Ties: 1957, 1973, 1995, 2003
Jun 1994–May 1998
48-Month
54.7°F
(12.6°C)
54.8°F
(12.7°C)
-0.1°F
(-0.1°C)
32nd Coolest Coolest since: 1997 1964, 1966, 1968, 1970, 1980
25th Warmest Warmest since: 1994 2019
Ties: 2005, 2006
Jun 1993–May 1998
60-Month
54.6°F
(12.6°C)
54.7°F
(12.6°C)
-0.1°F
(0.0°C)
29th Coolest Coolest since: 1997 1967, 1970
25th Warmest Warmest since: 1995 2019
Ties: 1958

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/