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 1991

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1991
1-Month
68.5°F
(20.3°C)
62.1°F
(16.7°C)
6.4°F
(3.6°C)
127th Coolest Coolest since: 1990 1967
2nd Warmest Warmest to Date 2004
Apr–May 1991
2-Month
61.6°F
(16.4°C)
57.0°F
(13.9°C)
4.6°F
(2.5°C)
124th Coolest Coolest since: 1990 1907
5th Warmest Warmest to Date 2019
Mar–May 1991
3-Month
56.5°F
(13.6°C)
52.3°F
(11.3°C)
4.2°F
(2.3°C)
124th Coolest Coolest since: 1990 1940
5th Warmest Warmest since: 1921 2012
Feb–May 1991
4-Month
52.5°F
(11.4°C)
47.8°F
(8.8°C)
4.7°F
(2.6°C)
126th Coolest Coolest since: 1990 1934
3rd Warmest Warmest to Date 2012
Jan–May 1991
5-Month
49.2°F
(9.6°C)
45.0°F
(7.2°C)
4.2°F
(2.4°C)
124th Coolest Coolest since: 1990 1940
5th Warmest Warmest to Date 2012
Dec 1990–May 1991
6-Month
48.1°F
(8.9°C)
43.5°F
(6.4°C)
4.6°F
(2.5°C)
124th Coolest Coolest since: 1990 1904
4th Warmest Warmest to Date 2012
Nov 1990–May 1991
7-Month
48.2°F
(9.0°C)
43.8°F
(6.6°C)
4.4°F
(2.4°C)
123rd Coolest Coolest since: 1990 1904
5th Warmest Warmest to Date 2012
Oct 1990–May 1991
8-Month
49.8°F
(9.9°C)
45.4°F
(7.4°C)
4.4°F
(2.5°C)
125th Coolest Coolest since: 1990 1904
3rd Warmest Warmest to Date 2012
Ties: 2017
Sep 1990–May 1991
9-Month
51.6°F
(10.9°C)
47.8°F
(8.8°C)
3.8°F
(2.1°C)
123rd Coolest Coolest since: 1990 1904, 1918
5th Warmest Warmest to Date 2012
Aug 1990–May 1991
10-Month
53.8°F
(12.1°C)
50.4°F
(10.2°C)
3.4°F
(1.9°C)
122nd Coolest Coolest since: 1990 1904
6th Warmest Warmest to Date 2012
Jul 1990–May 1991
11-Month
55.9°F
(13.3°C)
52.7°F
(11.5°C)
3.2°F
(1.8°C)
120th Coolest Coolest since: 1990 1904
8th Warmest Warmest to Date 2012
Ties: 2006
Jun 1990–May 1991
12-Month
57.2°F
(14.0°C)
54.2°F
(12.3°C)
3.0°F
(1.7°C)
119th Coolest Coolest since: 1990 1904
9th Warmest Warmest to Date 2012
Dec 1989–May 1991
18-Month
53.2°F
(11.8°C)
50.6°F
(10.3°C)
2.6°F
(1.5°C)
117th Coolest Coolest since: 1990 1905
10th Warmest Warmest to Date 2017
Ties: 2000, 2008
Jun 1989–May 1991
24-Month
56.4°F
(13.6°C)
54.2°F
(12.3°C)
2.2°F
(1.3°C)
115th Coolest Coolest since: 1990 1905
12th Warmest Warmest to Date 2017
Jun 1988–May 1991
36-Month
55.8°F
(13.2°C)
54.1°F
(12.3°C)
1.7°F
(0.9°C)
106th Coolest Coolest since: 1990 1906
20th Warmest Warmest to Date 2018, 2021
Ties: 1999, 2016
Jun 1987–May 1991
48-Month
55.6°F
(13.1°C)
54.2°F
(12.3°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1990 1907
24th Warmest Warmest to Date 2019
Ties: 2004
Jun 1986–May 1991
60-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
99th Coolest Coolest since: 1990 1908
25th Warmest Warmest to Date 2020
Ties: 1995, 2005

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on October 3, 2022 from https://www.ncdc.noaa.gov/cag/