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, April 1999

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1999
1-Month
53.2°F
(11.8°C)
53.3°F
(11.8°C)
-0.1°F
(0.0°C)
42nd Coolest Coolest since: 1997 1975
34th Warmest Warmest since: 1998 2017
Ties: 1990
Mar–Apr 1999
2-Month
47.7°F
(8.7°C)
48.2°F
(9.0°C)
-0.5°F
(-0.3°C)
38th Coolest Coolest since: 1997 1950
36th Warmest Warmest since: 1998 2012
Feb–Apr 1999
3-Month
44.2°F
(6.8°C)
43.9°F
(6.6°C)
0.3°F
(0.2°C)
44th Coolest Coolest since: 1996 1978
30th Warmest Warmest since: 1998 2012
Jan–Apr 1999
4-Month
42.0°F
(5.6°C)
41.1°F
(5.1°C)
0.9°F
(0.5°C)
53rd Coolest Coolest since: 1997 1978
21st Warmest Warmest since: 1998 2012
Dec 1998–Apr 1999
5-Month
41.9°F
(5.5°C)
40.2°F
(4.6°C)
1.7°F
(0.9°C)
61st Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1998 2012
Ties: 2008
Nov 1998–Apr 1999
6-Month
42.8°F
(6.0°C)
41.2°F
(5.1°C)
1.6°F
(0.9°C)
59th Coolest Coolest since: 1997 1978
13th Warmest Warmest since: 1998 2002, 2012
Ties: 2022
Oct 1998–Apr 1999
7-Month
44.9°F
(7.2°C)
43.4°F
(6.3°C)
1.5°F
(0.9°C)
58th Coolest Coolest since: 1997 1978
14th Warmest Warmest since: 1998 2002
Sep 1998–Apr 1999
8-Month
48.2°F
(9.0°C)
46.4°F
(8.0°C)
1.8°F
(1.0°C)
63rd Coolest Coolest since: 1998 1978
9th Warmest Warmest since: 1998 2012, 2016, 2017
Ties: 1976, 1991, 1998
Aug 1998–Apr 1999
9-Month
51.3°F
(10.7°C)
49.6°F
(9.8°C)
1.7°F
(0.9°C)
63rd Coolest Coolest since: 1998 1963, 1978
9th Warmest Warmest since: 1976 2017
Ties: 1976
Jul 1998–Apr 1999
10-Month
53.7°F
(12.1°C)
52.3°F
(11.3°C)
1.4°F
(0.8°C)
59th Coolest Coolest since: 1998 1963
13th Warmest Warmest since: 1976 2017
Jun 1998–Apr 1999
11-Month
55.3°F
(12.9°C)
54.2°F
(12.3°C)
1.1°F
(0.6°C)
59th Coolest Coolest since: 1998 1963
13th Warmest Warmest since: 1991 2017
Ties: 1991
May 1998–Apr 1999
12-Month
56.2°F
(13.4°C)
54.9°F
(12.7°C)
1.3°F
(0.7°C)
61st Coolest Coolest since: 1998 1963
11th Warmest Warmest since: 1976 2012
Ties: 2021
Nov 1997–Apr 1999
18-Month
52.1°F
(11.2°C)
50.3°F
(10.2°C)
1.8°F
(1.0°C)
64th Coolest Coolest since: 1998 1978, 1979
4th Warmest Warmest to Date 2017
May 1997–Apr 1999
24-Month
55.8°F
(13.2°C)
54.9°F
(12.7°C)
0.9°F
(0.5°C)
58th Coolest Coolest since: 1998 1978
10th Warmest Warmest to Date 2017
Ties: 2006, 2019
May 1996–Apr 1999
36-Month
55.3°F
(12.9°C)
54.9°F
(12.7°C)
0.4°F
(0.2°C)
48th Coolest Coolest since: 1998 1979
16th Warmest Warmest since: 1992 2022
Ties: 2001
May 1995–Apr 1999
48-Month
55.0°F
(12.8°C)
54.8°F
(12.7°C)
0.2°F
(0.1°C)
42nd Coolest Coolest since: 1998 1964
18th Warmest Warmest since: 1992 2022
Ties: 1976, 1992, 2006
May 1994–Apr 1999
60-Month
55.1°F
(12.8°C)
54.8°F
(12.7°C)
0.3°F
(0.1°C)
42nd Coolest Coolest since: 1998 1965
15th Warmest Warmest to Date 2020
Ties: 2001, 2007

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/