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 May 2021. 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
(1895-2021)
Warmest/Coolest
Since
Record
May 1998
1-Month
66.0°F
(18.9°C)
63.1°F
(17.3°C)
2.9°F
(1.6°C)
64th Coolest Coolest since: 1997 1967
11th Warmest Warmest since: 1991 1991
Ties: 1985
Apr–May 1998
2-Month
60.4°F
(15.8°C)
58.3°F
(14.6°C)
2.1°F
(1.2°C)
65th Coolest Coolest since: 1997 1967
10th Warmest Warmest since: 1991 2019
Ties: 2017
Mar–May 1998
3-Month
55.4°F
(13.0°C)
53.3°F
(11.8°C)
2.1°F
(1.2°C)
66th Coolest Coolest since: 1997 1984
7th Warmest Warmest since: 1991 2012
Ties: 2019
Feb–May 1998
4-Month
52.0°F
(11.1°C)
48.9°F
(9.4°C)
3.1°F
(1.7°C)
69th Coolest Coolest since: 1997 1978
4th Warmest Warmest since: 1991 2012
Jan–May 1998
5-Month
49.7°F
(9.8°C)
45.7°F
(7.6°C)
4.0°F
(2.2°C)
71st Coolest Coolest since: 1997 1978
2nd Warmest Warmest to Date 2012
Dec 1997–May 1998
6-Month
47.8°F
(8.8°C)
44.3°F
(6.8°C)
3.5°F
(2.0°C)
70th Coolest Coolest since: 1997 1978
2nd Warmest Warmest to Date 2012
Nov 1997–May 1998
7-Month
47.3°F
(8.5°C)
44.6°F
(7.0°C)
2.7°F
(1.5°C)
66th Coolest Coolest since: 1997 1978
5th Warmest Warmest since: 1991 2012
Oct 1997–May 1998
8-Month
48.4°F
(9.1°C)
46.1°F
(7.8°C)
2.3°F
(1.3°C)
65th Coolest Coolest since: 1997 1978
6th Warmest Warmest since: 1991 2012
Sep 1997–May 1998
9-Month
50.4°F
(10.2°C)
48.5°F
(9.2°C)
1.9°F
(1.0°C)
63rd Coolest Coolest since: 1997 1978
8th Warmest Warmest since: 1991 2012
Aug 1997–May 1998
10-Month
52.7°F
(11.5°C)
51.2°F
(10.7°C)
1.5°F
(0.8°C)
63rd Coolest Coolest since: 1997 1978
8th Warmest Warmest since: 1991 2012
Ties: 1999
Jul 1997–May 1998
11-Month
54.8°F
(12.7°C)
53.5°F
(11.9°C)
1.3°F
(0.8°C)
60th Coolest Coolest since: 1997 1978
11th Warmest Warmest since: 1991 2012
Ties: 1999
Jun 1997–May 1998
12-Month
56.1°F
(13.4°C)
55.1°F
(12.8°C)
1.0°F
(0.6°C)
56th Coolest Coolest since: 1997 1978
15th Warmest Warmest since: 1991 2012
Ties: 1954, 1976
Dec 1996–May 1998
18-Month
52.2°F
(11.2°C)
51.5°F
(10.8°C)
0.7°F
(0.4°C)
47th Coolest Coolest since: 1997 1979
21st Warmest Warmest since: 1992 2017
Ties: 1955
Jun 1996–May 1998
24-Month
55.3°F
(12.9°C)
55.1°F
(12.8°C)
0.2°F
(0.1°C)
41st Coolest Coolest since: 1997 1978
26th Warmest Warmest since: 1995 2017
Jun 1995–May 1998
36-Month
54.9°F
(12.7°C)
55.2°F
(12.9°C)
-0.3°F
(-0.2°C)
29th Coolest Coolest since: 1997 1979
34th Warmest Warmest since: 1996 2018
Ties: 1985, 1996, 2003
Jun 1994–May 1998
48-Month
55.1°F
(12.8°C)
55.0°F
(12.8°C)
0.1°F
(0.0°C)
33rd Coolest Coolest since: 1997 1980
26th Warmest Warmest since: 1995 2019, 2020
Ties: 1977, 1995, 2005, 2006
Jun 1993–May 1998
60-Month
55.1°F
(12.8°C)
55.1°F
(12.8°C)
0.0°F
(0.0°C)
30th Coolest Coolest since: 1997 1981
26th Warmest Warmest since: 1995 2020
Ties: 1991

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published June 2021, retrieved on June 18, 2021 from https://www.ncdc.noaa.gov/cag/