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 2021. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, June 1999

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
June 1999
1-Month
72.1°F
(22.3°C)
72.3°F
(22.4°C)
-0.2°F
(-0.1°C)
34th Coolest Coolest since: 1998 1972, 1979
41st Warmest Warmest since: 1996 2010
May–Jun 1999
2-Month
67.8°F
(19.9°C)
67.6°F
(19.8°C)
0.2°F
(0.1°C)
45th Coolest Coolest since: 1997 1967
30th Warmest Warmest since: 1998 2010
Apr–Jun 1999
3-Month
63.0°F
(17.2°C)
62.9°F
(17.2°C)
0.1°F
(0.0°C)
43rd Coolest Coolest since: 1997 1967, 1972
32nd Warmest Warmest since: 1998 2010
Ties: 1962, 1977, 1980, 1986
Mar–Jun 1999
4-Month
57.8°F
(14.3°C)
58.0°F
(14.4°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1997 1950
32nd Warmest Warmest since: 1998 2010
Ties: 1954
Feb–Jun 1999
5-Month
53.7°F
(12.1°C)
53.4°F
(11.9°C)
0.3°F
(0.2°C)
47th Coolest Coolest since: 1997 1978
26th Warmest Warmest since: 1998 2012
Ties: 1952, 1959
Jan–Jun 1999
6-Month
50.7°F
(10.4°C)
50.0°F
(10.0°C)
0.7°F
(0.4°C)
55th Coolest Coolest since: 1997 1978
18th Warmest Warmest since: 1998 2012
Ties: 1976, 2016
Dec 1998–Jun 1999
7-Month
49.4°F
(9.7°C)
48.2°F
(9.0°C)
1.2°F
(0.7°C)
60th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1998 2012
Ties: 2000, 2006
Nov 1998–Jun 1999
8-Month
49.1°F
(9.5°C)
47.9°F
(8.8°C)
1.2°F
(0.7°C)
57th Coolest Coolest since: 1997 1978
14th Warmest Warmest since: 1998 2012
Ties: 1983
Oct 1998–Jun 1999
9-Month
50.1°F
(10.1°C)
48.9°F
(9.4°C)
1.2°F
(0.7°C)
57th Coolest Coolest since: 1997 1978
14th Warmest Warmest since: 1998 2012
Sep 1998–Jun 1999
10-Month
52.2°F
(11.2°C)
50.7°F
(10.4°C)
1.5°F
(0.8°C)
61st Coolest Coolest since: 1997 1978
10th Warmest Warmest since: 1998 2012
Ties: 2019
Aug 1998–Jun 1999
11-Month
54.4°F
(12.4°C)
53.0°F
(11.7°C)
1.4°F
(0.7°C)
61st Coolest Coolest since: 1998 1978
10th Warmest Warmest since: 1991 2012, 2017
Jul 1998–Jun 1999
12-Month
56.1°F
(13.4°C)
54.9°F
(12.7°C)
1.2°F
(0.7°C)
59th Coolest Coolest since: 1998 1963
12th Warmest Warmest since: 1998 2012
Ties: 1998
Jan 1998–Jun 1999
18-Month
55.1°F
(12.8°C)
53.3°F
(11.8°C)
1.8°F
(1.0°C)
64th Coolest Coolest since: 1998 1979
5th Warmest Warmest since: 1991 2012, 2017
Ties: 2021
Jul 1997–Jun 1999
24-Month
56.1°F
(13.4°C)
55.0°F
(12.8°C)
1.1°F
(0.6°C)
59th Coolest Coolest since: 1998 1978
8th Warmest Warmest to Date 2017
Jul 1996–Jun 1999
36-Month
55.4°F
(13.0°C)
54.9°F
(12.7°C)
0.5°F
(0.3°C)
50th Coolest Coolest since: 1998 1979
13th Warmest Warmest since: 1992 2018
Ties: 1992, 2001, 2006
Jul 1995–Jun 1999
48-Month
55.1°F
(12.8°C)
54.9°F
(12.7°C)
0.2°F
(0.1°C)
43rd Coolest Coolest since: 1998 1970
16th Warmest Warmest since: 1992 2019, 2020
Ties: 1992, 2003
Jul 1994–Jun 1999
60-Month
55.2°F
(12.9°C)
54.9°F
(12.7°C)
0.3°F
(0.2°C)
41st Coolest Coolest since: 1998 1967, 1970
15th Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2021, retrieved on October 23, 2021 from https://www.ncdc.noaa.gov/cag/