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 2020. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, May 1989

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1989
1-Month
61.6°F
(16.4°C)
62.1°F
(16.7°C)
-0.5°F
(-0.3°C)
51st Coolest Coolest since: 1984 1967
76th Warmest Warmest since: 1988 2004
Ties: 1929, 1984
Apr–May 1989
2-Month
56.6°F
(13.7°C)
57.1°F
(13.9°C)
-0.5°F
(-0.2°C)
40th Coolest Coolest since: 1988 1907
87th Warmest Warmest since: 1987 2019
Mar–May 1989
3-Month
51.9°F
(11.1°C)
52.3°F
(11.3°C)
-0.4°F
(-0.2°C)
46th Coolest Coolest since: 1984 1940
81st Warmest Warmest since: 1988 2012
Ties: 1930, 1993
Feb–May 1989
4-Month
47.9°F
(8.8°C)
47.8°F
(8.8°C)
0.1°F
(0.0°C)
63rd Coolest Coolest since: 1987 1934
64th Warmest Warmest since: 1988 2012
Ties: 1982
Jan–May 1989
5-Month
45.8°F
(7.7°C)
44.9°F
(7.2°C)
0.9°F
(0.5°C)
78th Coolest Coolest since: 1988 1940
49th Warmest Warmest since: 1986 2012
Ties: 1910, 1930, 1951, 1986
Dec 1988–May 1989
6-Month
44.2°F
(6.8°C)
43.4°F
(6.3°C)
0.8°F
(0.5°C)
75th Coolest Coolest since: 1988 1904
51st Warmest Warmest since: 1985 2012
Ties: 1972
Nov 1988–May 1989
7-Month
44.7°F
(7.1°C)
43.8°F
(6.6°C)
0.9°F
(0.5°C)
82nd Coolest Coolest since: 1988 1904
44th Warmest Warmest since: 1986 2012
Ties: 1929, 1952, 1992
Oct 1988–May 1989
8-Month
45.5°F
(7.5°C)
45.4°F
(7.4°C)
0.1°F
(0.1°C)
61st Coolest Coolest since: 1988 1904
65th Warmest Warmest since: 1987 2012
Ties: 1928
Sep 1988–May 1989
9-Month
47.8°F
(8.8°C)
47.9°F
(8.8°C)
-0.1°F
(0.0°C)
56th Coolest Coolest since: 1984 1904, 1918
70th Warmest Warmest since: 1988 2012
Ties: 1906
Aug 1988–May 1989
10-Month
50.7°F
(10.4°C)
50.4°F
(10.2°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1988 1904
54th Warmest Warmest since: 1986 2012
Ties: 1898, 1909, 1922, 1973, 2015
Jul 1988–May 1989
11-Month
53.2°F
(11.8°C)
52.7°F
(11.5°C)
0.5°F
(0.3°C)
78th Coolest Coolest since: 1988 1904
48th Warmest Warmest since: 1986 2012
Ties: 1919, 1922, 1929, 2014
Jun 1988–May 1989
12-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
79th Coolest Coolest since: 1988 1904
47th Warmest Warmest since: 1988 2012
Ties: 1988
Dec 1987–May 1989
18-Month
51.0°F
(10.6°C)
50.6°F
(10.3°C)
0.4°F
(0.3°C)
76th Coolest Coolest since: 1988 1905
49th Warmest Warmest since: 1988 2017
Ties: 1909, 1943, 1958, 1987, 1988, 1994, 2015
Jun 1987–May 1989
24-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
84th Coolest Coolest since: 1988 1905
41st Warmest Warmest since: 1987 2017
Ties: 1943, 2015
Jun 1986–May 1989
36-Month
54.7°F
(12.6°C)
54.2°F
(12.3°C)
0.5°F
(0.3°C)
75th Coolest Coolest since: 1984 1906
49th Warmest Warmest since: 1988 2018
Ties: 1944, 1956
Jun 1985–May 1989
48-Month
54.8°F
(12.7°C)
54.1°F
(12.3°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 1985 1907
43rd Warmest Warmest since: 1988 2019
Ties: 1950, 1957, 1974
Jun 1984–May 1989
60-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
91st Coolest Coolest since: 1988 1908
31st Warmest Warmest since: 1976 2020
Ties: 1955, 1957, 1976, 1990

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 17, 2021 from https://www.ncdc.noaa.gov/cag/