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 August 2022. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, May 2021

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2021
1-Month
63.3°F
(17.4°C)
62.1°F
(16.7°C)
1.2°F
(0.7°C)
81st Coolest Coolest since: 2020 1967
48th Warmest Warmest since: 2019 2004
Ties: 1905, 1987
Apr–May 2021
2-Month
59.3°F
(15.2°C)
57.1°F
(13.9°C)
2.2°F
(1.3°C)
107th Coolest Coolest since: 2020 1907
22nd Warmest Warmest since: 2019 2019
Mar–May 2021
3-Month
55.4°F
(13.0°C)
52.3°F
(11.3°C)
3.1°F
(1.7°C)
118th Coolest Coolest since: 2020 1940
11th Warmest Warmest since: 2019 2012
Ties: 2002, 2017
Feb–May 2021
4-Month
50.4°F
(10.2°C)
47.8°F
(8.8°C)
2.6°F
(1.4°C)
108th Coolest Coolest since: 2015 1934
21st Warmest Warmest since: 2020 2012
Jan–May 2021
5-Month
47.6°F
(8.7°C)
45.0°F
(7.2°C)
2.6°F
(1.5°C)
114th Coolest Coolest since: 2018 1940
15th Warmest Warmest since: 2020 2012
Ties: 2008
Dec 2020–May 2021
6-Month
46.2°F
(7.9°C)
43.4°F
(6.3°C)
2.8°F
(1.6°C)
112th Coolest Coolest since: 2018 1904
16th Warmest Warmest since: 2020 2012
Ties: 1999, 2008
Nov 2020–May 2021
7-Month
47.0°F
(8.3°C)
43.7°F
(6.5°C)
3.3°F
(1.8°C)
119th Coolest Coolest since: 2020 1904
9th Warmest Warmest since: 2019 2012
Ties: 1949, 2006
Oct 2020–May 2021
8-Month
48.7°F
(9.3°C)
45.4°F
(7.4°C)
3.3°F
(1.9°C)
121st Coolest Coolest since: 2020 1904
7th Warmest Warmest since: 2019 2012
Ties: 1998
Sep 2020–May 2021
9-Month
50.9°F
(10.5°C)
47.8°F
(8.8°C)
3.1°F
(1.7°C)
119th Coolest Coolest since: 2018 1904, 1918
9th Warmest Warmest since: 2020 2012
Ties: 1932
Aug 2020–May 2021
10-Month
53.5°F
(11.9°C)
50.4°F
(10.2°C)
3.1°F
(1.7°C)
119th Coolest Coolest since: 2018 1904
9th Warmest Warmest since: 2020 2012
Jul 2020–May 2021
11-Month
56.0°F
(13.3°C)
52.7°F
(11.5°C)
3.3°F
(1.8°C)
121st Coolest Coolest since: 2018 1904
7th Warmest Warmest since: 2020 2012
Jun 2020–May 2021
12-Month
57.5°F
(14.2°C)
54.2°F
(12.3°C)
3.3°F
(1.9°C)
122nd Coolest Coolest since: 2018 1904
6th Warmest Warmest since: 2020 2012
Ties: 2002
Dec 2019–May 2021
18-Month
54.1°F
(12.3°C)
50.6°F
(10.3°C)
3.5°F
(2.0°C)
122nd Coolest Coolest since: 2019 1905
5th Warmest Warmest since: 2020 2017
Jun 2019–May 2021
24-Month
57.5°F
(14.2°C)
54.2°F
(12.3°C)
3.3°F
(1.9°C)
122nd Coolest Coolest since: 2019 1905
5th Warmest Warmest since: 2020 2017
Ties: 2018
Jun 2018–May 2021
36-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
125th Coolest Coolest since: 2020 1906
1st Warmest Warmest since: 2018 2018, 2021
Ties: 2018
Jun 2017–May 2021
48-Month
57.3°F
(14.1°C)
54.2°F
(12.3°C)
3.1°F
(1.8°C)
121st Coolest Coolest since: 2018 1907
4th Warmest Warmest since: 2020 2019
Jun 2016–May 2021
60-Month
57.5°F
(14.2°C)
54.1°F
(12.3°C)
3.4°F
(1.9°C)
122nd Coolest Coolest since: 2019 1908
2nd Warmest Warmest since: 2020 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on October 6, 2022 from https://www.ncdc.noaa.gov/cag/