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


Delaware

Average Temperature Rankings, June 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
June 1999
1-Month
71.3°F
(21.8°C)
70.7°F
(21.5°C)
0.6°F
(0.3°C)
70th Coolest Coolest since: 1998 1907
57th Warmest Warmest since: 1998 2010
Ties: 1964, 1998, 2004
May–Jun 1999
2-Month
67.2°F
(19.6°C)
66.5°F
(19.2°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 1997 1907
47th Warmest Warmest since: 1998 2010
Ties: 1925, 1936, 1952, 1976, 2020
Apr–Jun 1999
3-Month
62.6°F
(17.0°C)
61.7°F
(16.5°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1997 1907
44th Warmest Warmest since: 1998 2010
Ties: 1954
Mar–Jun 1999
4-Month
57.5°F
(14.2°C)
56.9°F
(13.8°C)
0.6°F
(0.4°C)
72nd Coolest Coolest since: 1997 1907
55th Warmest Warmest since: 1998 2010
Ties: 1919, 1952
Feb–Jun 1999
5-Month
53.6°F
(12.0°C)
52.4°F
(11.3°C)
1.2°F
(0.7°C)
92nd Coolest Coolest since: 1997 1907
35th Warmest Warmest since: 1998 2012
Ties: 1929, 1942, 1986, 1994, 2013
Jan–Jun 1999
6-Month
51.0°F
(10.6°C)
49.2°F
(9.6°C)
1.8°F
(1.0°C)
104th Coolest Coolest since: 1997 1940
23rd Warmest Warmest since: 1998 2012
Ties: 1933
Dec 1998–Jun 1999
7-Month
49.8°F
(9.9°C)
47.4°F
(8.6°C)
2.4°F
(1.3°C)
110th Coolest Coolest since: 1997 1904
16th Warmest Warmest since: 1998 2012
Ties: 1913, 1953
Nov 1998–Jun 1999
8-Month
49.4°F
(9.7°C)
47.1°F
(8.4°C)
2.3°F
(1.3°C)
106th Coolest Coolest since: 1997 1904
20th Warmest Warmest since: 1998 2012
Oct 1998–Jun 1999
9-Month
50.3°F
(10.2°C)
48.2°F
(9.0°C)
2.1°F
(1.2°C)
107th Coolest Coolest since: 1997 1904
19th Warmest Warmest since: 1998 2012
Ties: 2013
Sep 1998–Jun 1999
10-Month
52.4°F
(11.3°C)
50.1°F
(10.1°C)
2.3°F
(1.2°C)
110th Coolest Coolest since: 1997 1918
16th Warmest Warmest since: 1998 2012
Aug 1998–Jun 1999
11-Month
54.5°F
(12.5°C)
52.3°F
(11.3°C)
2.2°F
(1.2°C)
112th Coolest Coolest since: 1997 1904
14th Warmest Warmest since: 1998 2012
Ties: 1921
Jul 1998–Jun 1999
12-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
109th Coolest Coolest since: 1997 1904
17th Warmest Warmest since: 1998 2012
Ties: 2007
Jan 1998–Jun 1999
18-Month
55.3°F
(12.9°C)
52.5°F
(11.4°C)
2.8°F
(1.5°C)
118th Coolest Coolest since: 1998 1905
8th Warmest Warmest since: 1991 2012
Jul 1997–Jun 1999
24-Month
56.4°F
(13.6°C)
54.2°F
(12.3°C)
2.2°F
(1.3°C)
115th Coolest Coolest since: 1998 1905
10th Warmest Warmest to Date 2017
Ties: 2011
Jul 1996–Jun 1999
36-Month
55.8°F
(13.2°C)
54.2°F
(12.3°C)
1.6°F
(0.9°C)
106th Coolest Coolest since: 1998 1906
18th Warmest Warmest since: 1992 2018, 2019
Ties: 1992, 2001, 2016
Jul 1995–Jun 1999
48-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
99th Coolest Coolest since: 1998 1907
24th Warmest Warmest since: 1993 2019, 2020
Ties: 1993
Jul 1994–Jun 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
21st Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 15, 2021 from https://www.ncdc.noaa.gov/cag/