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


Delaware

Average Temperature Rankings, May 1951

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1951
1-Month
61.8°F
(16.6°C)
62.1°F
(16.7°C)
-0.3°F
(-0.1°C)
56th Coolest Coolest since: 1950 1967
71st Warmest Warmest since: 1949 2004
Ties: 1899
Apr–May 1951
2-Month
56.9°F
(13.8°C)
57.0°F
(13.9°C)
-0.1°F
(-0.1°C)
47th Coolest Coolest since: 1950 1907
80th Warmest Warmest since: 1949 2019
Ties: 1919, 1946, 1948, 1963, 1996
Mar–May 1951
3-Month
52.1°F
(11.2°C)
52.3°F
(11.3°C)
-0.2°F
(-0.1°C)
54th Coolest Coolest since: 1950 1940
73rd Warmest Warmest since: 1949 2012
Ties: 1997
Feb–May 1951
4-Month
48.1°F
(8.9°C)
47.8°F
(8.8°C)
0.3°F
(0.1°C)
66th Coolest Coolest since: 1950 1934
61st Warmest Warmest since: 1949 2012
Jan–May 1951
5-Month
45.8°F
(7.7°C)
44.9°F
(7.2°C)
0.9°F
(0.5°C)
78th Coolest Coolest since: 1948 1940
49th Warmest Warmest since: 1950 2012
Ties: 1910, 1930, 1986, 1989
Dec 1950–May 1951
6-Month
43.7°F
(6.5°C)
43.4°F
(6.3°C)
0.3°F
(0.2°C)
65th Coolest Coolest since: 1948 1904
61st Warmest Warmest since: 1950 2012
Ties: 1906
Nov 1950–May 1951
7-Month
44.1°F
(6.7°C)
43.7°F
(6.5°C)
0.4°F
(0.2°C)
64th Coolest Coolest since: 1948 1904
62nd Warmest Warmest since: 1950 2012
Ties: 1945
Oct 1950–May 1951
8-Month
45.9°F
(7.7°C)
45.4°F
(7.4°C)
0.5°F
(0.3°C)
75th Coolest Coolest since: 1948 1904
51st Warmest Warmest since: 1950 2012
Ties: 1898, 1975
Sep 1950–May 1951
9-Month
48.0°F
(8.9°C)
47.9°F
(8.8°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 1948 1904, 1918
61st Warmest Warmest since: 1950 2012
Ties: 1945, 1987, 1993
Aug 1950–May 1951
10-Month
50.4°F
(10.2°C)
50.4°F
(10.2°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1948 1904
74th Warmest Warmest since: 1950 2012
Ties: 1943, 1969, 1971, 1981, 1994
Jul 1950–May 1951
11-Month
52.6°F
(11.4°C)
52.7°F
(11.5°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1948 1904
78th Warmest Warmest since: 1950 2012
Ties: 1896, 1959, 1996
Jun 1950–May 1951
12-Month
54.0°F
(12.2°C)
54.2°F
(12.3°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1948 1904
81st Warmest Warmest since: 1950 2012
Ties: 1935, 1979, 2001
Dec 1949–May 1951
18-Month
50.9°F
(10.5°C)
50.6°F
(10.3°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1948 1905
57th Warmest Warmest since: 1950 2017
Ties: 1930, 1947
Jun 1949–May 1951
24-Month
54.7°F
(12.6°C)
54.1°F
(12.3°C)
0.6°F
(0.3°C)
81st Coolest Coolest since: 1949 1905
44th Warmest Warmest since: 1950 2017
Ties: 1939, 1946, 1949, 1988
Jun 1948–May 1951
36-Month
55.1°F
(12.8°C)
54.2°F
(12.3°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 1950 1906
30th Warmest Warmest since: 1933 2018
Ties: 1974, 1987, 1998
Jun 1947–May 1951
48-Month
54.7°F
(12.6°C)
54.1°F
(12.3°C)
0.6°F
(0.3°C)
76th Coolest Coolest since: 1949 1907
47th Warmest Warmest since: 1950 2019, 2020
Ties: 1934, 1935, 1977
Jun 1946–May 1951
60-Month
54.6°F
(12.6°C)
54.1°F
(12.3°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 1949 1908
46th Warmest Warmest since: 1950 2020
Ties: 1932, 1934, 1949, 1958, 1977, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on March 7, 2021 from https://www.ncdc.noaa.gov/cag/