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 October 2021. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, April 1999

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
April 1999
1-Month
53.0°F
(11.7°C)
53.1°F
(11.7°C)
-0.1°F
(0.0°C)
40th Coolest Coolest since: 1997 1975
35th Warmest Warmest since: 1998 2017
Ties: 1996
Mar–Apr 1999
2-Month
47.5°F
(8.6°C)
48.0°F
(8.9°C)
-0.5°F
(-0.3°C)
35th Coolest Coolest since: 1997 1984
38th Warmest Warmest since: 1998 2012
Ties: 1948, 1952
Feb–Apr 1999
3-Month
44.1°F
(6.7°C)
43.8°F
(6.6°C)
0.3°F
(0.1°C)
45th Coolest Coolest since: 1996 1978
28th Warmest Warmest since: 1998 2012
Ties: 1952, 1981
Jan–Apr 1999
4-Month
41.9°F
(5.5°C)
40.9°F
(4.9°C)
1.0°F
(0.6°C)
52nd Coolest Coolest since: 1997 1978
21st Warmest Warmest since: 1998 2012
Ties: 1985, 2010
Dec 1998–Apr 1999
5-Month
41.8°F
(5.4°C)
40.1°F
(4.5°C)
1.7°F
(0.9°C)
59th Coolest Coolest since: 1997 1978
13th Warmest Warmest since: 1998 2012
Ties: 1953
Nov 1998–Apr 1999
6-Month
42.7°F
(5.9°C)
41.1°F
(5.1°C)
1.6°F
(0.8°C)
58th Coolest Coolest since: 1997 1978
13th Warmest Warmest since: 1998 2012
Oct 1998–Apr 1999
7-Month
44.8°F
(7.1°C)
43.2°F
(6.2°C)
1.6°F
(0.9°C)
59th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1998 2002
Ties: 1949, 1985
Sep 1998–Apr 1999
8-Month
48.1°F
(8.9°C)
46.3°F
(7.9°C)
1.8°F
(1.0°C)
63rd Coolest Coolest since: 1998 1978
8th Warmest Warmest since: 1998 2012, 2016, 2017
Ties: 1998
Aug 1998–Apr 1999
9-Month
51.2°F
(10.7°C)
49.5°F
(9.7°C)
1.7°F
(1.0°C)
63rd Coolest Coolest since: 1998 1977
8th Warmest Warmest to Date 2017
Ties: 2021
Jul 1998–Apr 1999
10-Month
53.6°F
(12.0°C)
52.2°F
(11.2°C)
1.4°F
(0.8°C)
60th Coolest Coolest since: 1998 1977
11th Warmest Warmest to Date 2017
Jun 1998–Apr 1999
11-Month
55.2°F
(12.9°C)
54.0°F
(12.2°C)
1.2°F
(0.7°C)
60th Coolest Coolest since: 1998 1978
11th Warmest Warmest since: 1974 2017
Ties: 1974
May 1998–Apr 1999
12-Month
56.0°F
(13.3°C)
54.7°F
(12.6°C)
1.3°F
(0.7°C)
61st Coolest Coolest since: 1998 1977
10th Warmest Warmest to Date 2012
Ties: 2000
Nov 1997–Apr 1999
18-Month
52.0°F
(11.1°C)
50.2°F
(10.1°C)
1.8°F
(1.0°C)
64th Coolest Coolest since: 1998 1978
3rd Warmest Warmest to Date 2017
Ties: 2012, 2021
May 1997–Apr 1999
24-Month
55.6°F
(13.1°C)
54.7°F
(12.6°C)
0.9°F
(0.5°C)
55th Coolest Coolest since: 1998 1978
12th Warmest Warmest to Date 2017
May 1996–Apr 1999
36-Month
55.2°F
(12.9°C)
54.7°F
(12.6°C)
0.5°F
(0.3°C)
50th Coolest Coolest since: 1998 1979
13th Warmest Warmest since: 1992 2018
Ties: 1992, 2001
May 1995–Apr 1999
48-Month
54.9°F
(12.7°C)
54.7°F
(12.6°C)
0.2°F
(0.1°C)
43rd Coolest Coolest since: 1998 1980
16th Warmest Warmest since: 1992 2019, 2020
Ties: 1992, 2005
May 1994–Apr 1999
60-Month
55.0°F
(12.8°C)
54.7°F
(12.6°C)
0.3°F
(0.2°C)
42nd Coolest Coolest since: 1998 1965, 1981
14th Warmest Warmest to Date 2020
Ties: 2001

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published November 2021, retrieved on December 4, 2021 from https://www.ncdc.noaa.gov/cag/