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 1909

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1909
1-Month
61.7°F
(16.5°C)
62.1°F
(16.7°C)
-0.4°F
(-0.2°C)
54th Coolest Coolest since: 1907 1967
73rd Warmest Warmest since: 1908 2004
Ties: 2016
Apr–May 1909
2-Month
56.8°F
(13.8°C)
57.1°F
(13.9°C)
-0.3°F
(-0.1°C)
43rd Coolest Coolest since: 1907 1907
84th Warmest Warmest since: 1908 2019
Ties: 1936, 1964, 1982
Mar–May 1909
3-Month
51.3°F
(10.7°C)
52.3°F
(11.3°C)
-1.0°F
(-0.6°C)
39th Coolest Coolest since: 1907 1940
88th Warmest Warmest since: 1908 2012
Ties: 1899
Feb–May 1909
4-Month
48.9°F
(9.4°C)
47.8°F
(8.8°C)
1.1°F
(0.6°C)
83rd Coolest Coolest since: 1908 1934
44th Warmest Warmest since: 1903 2012
Jan–May 1909
5-Month
46.3°F
(7.9°C)
44.9°F
(7.2°C)
1.4°F
(0.7°C)
94th Coolest Coolest since: 1908 1940
33rd Warmest Warmest to Date 2012
Ties: 2009
Dec 1908–May 1909
6-Month
44.6°F
(7.0°C)
43.5°F
(6.4°C)
1.1°F
(0.6°C)
85th Coolest Coolest since: 1908 1904
41st Warmest Warmest to Date 2012
Ties: 1975
Nov 1908–May 1909
7-Month
44.6°F
(7.0°C)
43.8°F
(6.6°C)
0.8°F
(0.4°C)
78th Coolest Coolest since: 1908 1904
48th Warmest Warmest since: 1903 2012
Ties: 1930, 1937
Oct 1908–May 1909
8-Month
46.2°F
(7.9°C)
45.3°F
(7.4°C)
0.9°F
(0.5°C)
80th Coolest Coolest since: 1908 1904
46th Warmest Warmest since: 1903 2012
Ties: 1937, 1947
Sep 1908–May 1909
9-Month
48.4°F
(9.1°C)
47.9°F
(8.8°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 1908 1904, 1918
50th Warmest Warmest since: 1903 2012
Ties: 1922
Aug 1908–May 1909
10-Month
50.7°F
(10.4°C)
50.5°F
(10.3°C)
0.2°F
(0.1°C)
72nd Coolest Coolest since: 1908 1904
54th Warmest Warmest since: 1903 2012
Ties: 1898, 1922, 1973, 1989, 2015
Jul 1908–May 1909
11-Month
53.0°F
(11.7°C)
52.7°F
(11.5°C)
0.3°F
(0.2°C)
69th Coolest Coolest since: 1908 1904
57th Warmest Warmest since: 1903 2012
Ties: 1975, 2015
Jun 1908–May 1909
12-Month
54.5°F
(12.5°C)
54.2°F
(12.3°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1908 1904
58th Warmest Warmest since: 1903 2012
Ties: 1945, 1994
Dec 1907–May 1909
18-Month
51.0°F
(10.6°C)
50.6°F
(10.3°C)
0.4°F
(0.3°C)
76th Coolest Coolest since: 1908 1905
49th Warmest Warmest to Date 2017
Ties: 1943, 1958, 1987, 1988, 1989, 1994, 2015
Jun 1907–May 1909
24-Month
53.8°F
(12.1°C)
54.1°F
(12.3°C)
-0.3°F
(-0.2°C)
35th Coolest Coolest since: 1908 1905
90th Warmest Warmest since: 1903 2017
Ties: 1910, 1915, 1959, 1962
Jun 1906–May 1909
36-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
29th Coolest Coolest since: 1908 1906
95th Warmest Warmest since: 1903 2018
Ties: 1925, 1929, 1971, 1980
Jun 1905–May 1909
48-Month
53.7°F
(12.1°C)
54.1°F
(12.3°C)
-0.4°F
(-0.2°C)
26th Coolest Coolest since: 1908 1907
97th Warmest Warmest since: 1903 2019
Ties: 1913, 1921, 1936, 1937, 1941
Jun 1904–May 1909
60-Month
53.3°F
(11.8°C)
54.2°F
(12.3°C)
-0.9°F
(-0.5°C)
8th Coolest Coolest since: 1908 1908
114th Warmest Warmest since: 1904 2020
Ties: 1967, 1968, 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 25, 2021 from https://www.ncdc.noaa.gov/cag/