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 December 2019. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, January 1999

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1948-2019)
Warmest/Coolest
Since
Record
January 1999
1-Month
35.2°F
(1.8°C)
32.5°F
(0.3°C)
2.7°F
(1.5°C)
51st Coolest Coolest since: 1997 1977
22nd Warmest Warmest since: 1998 1950
Ties: 1983
Dec 1998–Jan 1999
2-Month
38.3°F
(3.5°C)
34.7°F
(1.5°C)
3.6°F
(2.0°C)
62nd Coolest Coolest since: 1997 1977
10th Warmest Warmest since: 1998 2016
Ties: 1983
Nov 1998–Jan 1999
3-Month
41.3°F
(5.2°C)
38.7°F
(3.7°C)
2.6°F
(1.5°C)
61st Coolest Coolest since: 1998 1977
10th Warmest Warmest since: 1995 2016
Oct 1998–Jan 1999
4-Month
45.3°F
(7.4°C)
43.0°F
(6.1°C)
2.3°F
(1.3°C)
60th Coolest Coolest since: 1998 1977
11th Warmest Warmest since: 1995 2002
Sep 1998–Jan 1999
5-Month
50.5°F
(10.3°C)
48.0°F
(8.9°C)
2.5°F
(1.4°C)
65th Coolest Coolest since: 1998 1977
6th Warmest Warmest since: 1972 2016
Ties: 2006, 2008
Aug 1998–Jan 1999
6-Month
54.7°F
(12.6°C)
52.5°F
(11.4°C)
2.2°F
(1.2°C)
63rd Coolest Coolest since: 1998 1977
8th Warmest Warmest since: 1972 2016
Ties: 2007
Jul 1998–Jan 1999
7-Month
57.7°F
(14.3°C)
56.0°F
(13.3°C)
1.7°F
(1.0°C)
62nd Coolest Coolest since: 1998 1977
9th Warmest Warmest since: 1972 2017
Ties: 1972
Jun 1998–Jan 1999
8-Month
59.3°F
(15.2°C)
58.0°F
(14.4°C)
1.3°F
(0.8°C)
57th Coolest Coolest since: 1998 1977
14th Warmest Warmest since: 1995 2016
Ties: 1991, 2019
May 1998–Jan 1999
9-Month
60.0°F
(15.6°C)
58.5°F
(14.7°C)
1.5°F
(0.9°C)
59th Coolest Coolest since: 1998 1977
12th Warmest Warmest since: 1992 2016
Apr 1998–Jan 1999
10-Month
59.5°F
(15.3°C)
58.0°F
(14.4°C)
1.5°F
(0.9°C)
61st Coolest Coolest since: 1998 1977
10th Warmest Warmest since: 1992 2016
Mar 1998–Jan 1999
11-Month
58.2°F
(14.6°C)
56.7°F
(13.7°C)
1.5°F
(0.9°C)
62nd Coolest Coolest since: 1998 1968
7th Warmest Warmest since: 1992 2017
Ties: 1950
Feb 1998–Jan 1999
12-Month
56.8°F
(13.8°C)
54.9°F
(12.7°C)
1.9°F
(1.1°C)
65th Coolest Coolest since: 1998 1968
4th Warmest Warmest to Date 2013
Aug 1997–Jan 1999
18-Month
55.5°F
(13.1°C)
54.2°F
(12.3°C)
1.3°F
(0.8°C)
60th Coolest Coolest since: 1998 1968
7th Warmest Warmest since: 1992 2017
Feb 1997–Jan 1999
24-Month
55.7°F
(13.2°C)
54.8°F
(12.7°C)
0.9°F
(0.5°C)
55th Coolest Coolest since: 1998 1968, 1969
10th Warmest Warmest since: 1992 2013
Ties: 1950, 2003
Feb 1996–Jan 1999
36-Month
55.0°F
(12.8°C)
54.8°F
(12.7°C)
0.2°F
(0.1°C)
41st Coolest Coolest since: 1998 1970
20th Warmest Warmest since: 1993 2013
Ties: 1991
Feb 1995–Jan 1999
48-Month
54.7°F
(12.6°C)
54.8°F
(12.7°C)
-0.1°F
(-0.1°C)
32nd Coolest Coolest since: 1998 1970
25th Warmest Warmest since: 1995 2019
Ties: 1958, 1974, 1976, 2004
Feb 1994–Jan 1999
60-Month
54.9°F
(12.7°C)
54.8°F
(12.7°C)
0.1°F
(0.0°C)
38th Coolest Coolest since: 1998 1968, 1970
16th Warmest Warmest since: 1995 2013, 2019
Ties: 1957, 1958, 2000, 2001, 2004

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published January 2020, retrieved on January 26, 2020 from https://www.ncdc.noaa.gov/cag/