Climate at a Glance

Statewide 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.


Delaware

Average Temperature Rankings, July 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
July 1999
1-Month
79.2°F
(26.2°C)
75.5°F
(24.2°C)
3.7°F
(2.0°C)
119th Coolest Coolest since: 1998 1895
7th Warmest Warmest since: 1955 2012
Ties: 2013
Jun–Jul 1999
2-Month
75.2°F
(24.0°C)
73.1°F
(22.8°C)
2.1°F
(1.2°C)
108th Coolest Coolest since: 1998 1907
18th Warmest Warmest since: 1994 2010
Ties: 2006, 2015
May–Jul 1999
3-Month
71.2°F
(21.8°C)
69.5°F
(20.8°C)
1.7°F
(1.0°C)
105th Coolest Coolest since: 1998 1907
21st Warmest Warmest since: 1993 2010
Ties: 1957, 2002, 2008, 2014, 2016
Apr–Jul 1999
4-Month
66.7°F
(19.3°C)
65.1°F
(18.4°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1997 1907
21st Warmest Warmest since: 1998 2010
Ties: 1921, 1987, 2016
Mar–Jul 1999
5-Month
61.8°F
(16.6°C)
60.6°F
(15.9°C)
1.2°F
(0.7°C)
90th Coolest Coolest since: 1997 1907
36th Warmest Warmest since: 1998 2010, 2012
Ties: 1913
Feb–Jul 1999
6-Month
57.9°F
(14.4°C)
56.2°F
(13.4°C)
1.7°F
(1.0°C)
102nd Coolest Coolest since: 1997 1907
24th Warmest Warmest since: 1998 2012
Ties: 1985, 2013
Jan–Jul 1999
7-Month
55.1°F
(12.8°C)
53.0°F
(11.7°C)
2.1°F
(1.1°C)
109th Coolest Coolest since: 1997 1940
17th Warmest Warmest since: 1998 2012
Dec 1998–Jul 1999
8-Month
53.4°F
(11.9°C)
50.8°F
(10.4°C)
2.6°F
(1.5°C)
111th Coolest Coolest since: 1997 1904
14th Warmest Warmest since: 1998 2012
Nov 1998–Jul 1999
9-Month
52.7°F
(11.5°C)
50.3°F
(10.2°C)
2.4°F
(1.3°C)
111th Coolest Coolest since: 1997 1904
14th Warmest Warmest since: 1998 2012
Ties: 1995, 2007
Oct 1998–Jul 1999
10-Month
53.2°F
(11.8°C)
50.9°F
(10.5°C)
2.3°F
(1.3°C)
112th Coolest Coolest since: 1997 1904
13th Warmest Warmest since: 1998 2012
Ties: 1932, 2000, 2013, 2018
Sep 1998–Jul 1999
11-Month
54.8°F
(12.7°C)
52.4°F
(11.3°C)
2.4°F
(1.4°C)
112th Coolest Coolest since: 1997 1918
13th Warmest Warmest since: 1998 2012
Aug 1998–Jul 1999
12-Month
56.5°F
(13.6°C)
54.2°F
(12.3°C)
2.3°F
(1.3°C)
115th Coolest Coolest since: 1998 1904
10th Warmest Warmest since: 1991 2012
Ties: 1932, 2011
Feb 1998–Jul 1999
18-Month
57.4°F
(14.1°C)
54.9°F
(12.7°C)
2.5°F
(1.4°C)
115th Coolest Coolest since: 1998 1905, 1918
10th Warmest Warmest since: 1991 2012
Aug 1997–Jul 1999
24-Month
56.5°F
(13.6°C)
54.2°F
(12.3°C)
2.3°F
(1.3°C)
115th Coolest Coolest since: 1998 1905
9th Warmest Warmest to Date 2017
Ties: 2000
Aug 1996–Jul 1999
36-Month
55.9°F
(13.3°C)
54.1°F
(12.3°C)
1.8°F
(1.0°C)
107th Coolest Coolest since: 1998 1906
16th Warmest Warmest since: 1992 2018, 2019
Ties: 1992
Aug 1995–Jul 1999
48-Month
55.4°F
(13.0°C)
54.1°F
(12.3°C)
1.3°F
(0.7°C)
98th Coolest Coolest since: 1998 1907
24th Warmest Warmest since: 1993 2019
Aug 1994–Jul 1999
60-Month
55.5°F
(13.1°C)
54.2°F
(12.3°C)
1.3°F
(0.8°C)
101st Coolest Coolest since: 1998 1908
20th Warmest Warmest to Date 2019
Ties: 2005

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 24, 2020 from https://www.ncdc.noaa.gov/cag/