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 1903

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1903
1-Month
62.8°F
(17.1°C)
62.1°F
(16.7°C)
0.7°F
(0.4°C)
71st Coolest Coolest since: 1902 1967
56th Warmest Warmest since: 1896 2004
Ties: 2017
Apr–May 1903
2-Month
57.2°F
(14.0°C)
57.1°F
(13.9°C)
0.1°F
(0.1°C)
57th Coolest Coolest since: 1902 1907
70th Warmest Warmest since: 1896 2019
Ties: 1911, 1938, 1987
Mar–May 1903
3-Month
54.2°F
(12.3°C)
52.3°F
(11.3°C)
1.9°F
(1.0°C)
102nd Coolest Coolest since: 1902 1940
25th Warmest Warmest to Date 2012
Ties: 1976
Feb–May 1903
4-Month
49.6°F
(9.8°C)
47.8°F
(8.8°C)
1.8°F
(1.0°C)
96th Coolest Coolest since: 1902 1934
31st Warmest Warmest to Date 2012
Jan–May 1903
5-Month
46.1°F
(7.8°C)
44.9°F
(7.2°C)
1.2°F
(0.6°C)
88th Coolest Coolest since: 1902 1940
39th Warmest Warmest to Date 2012
Ties: 1929, 1955
Dec 1902–May 1903
6-Month
44.1°F
(6.7°C)
43.5°F
(6.4°C)
0.6°F
(0.3°C)
73rd Coolest Coolest since: 1902 1904
53rd Warmest Warmest since: 1898 2012
Ties: 1898
Nov 1902–May 1903
7-Month
45.0°F
(7.2°C)
43.8°F
(6.6°C)
1.2°F
(0.6°C)
90th Coolest Coolest since: 1902 1904
36th Warmest Warmest to Date 2012
Oct 1902–May 1903
8-Month
46.6°F
(8.1°C)
45.4°F
(7.4°C)
1.2°F
(0.7°C)
90th Coolest Coolest since: 1902 1904
36th Warmest Warmest to Date 2012
Ties: 1919, 1933, 1939, 1972
Sep 1902–May 1903
9-Month
48.8°F
(9.3°C)
47.8°F
(8.8°C)
1.0°F
(0.5°C)
89th Coolest Coolest since: 1902 1904, 1918
37th Warmest Warmest to Date 2012
Ties: 1939, 1946, 1950, 1952, 1955, 1997
Aug 1902–May 1903
10-Month
51.1°F
(10.6°C)
50.4°F
(10.2°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1902 1904
47th Warmest Warmest to Date 2012
Ties: 2005
Jul 1902–May 1903
11-Month
53.3°F
(11.8°C)
52.7°F
(11.5°C)
0.6°F
(0.3°C)
81st Coolest Coolest since: 1902 1904
45th Warmest Warmest to Date 2012
Ties: 1946, 1997
Jun 1902–May 1903
12-Month
54.7°F
(12.6°C)
54.2°F
(12.3°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 1902 1904
49th Warmest Warmest to Date 2012
Ties: 1922, 1983, 2003, 2015
Dec 1901–May 1903
18-Month
50.4°F
(10.2°C)
50.7°F
(10.4°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1902 1905
80th Warmest Warmest since: 1901 2017
Ties: 1899, 1923, 1934, 1977, 1980
Jun 1901–May 1903
24-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
40th Coolest Coolest since: 1902 1905
85th Warmest Warmest since: 1902 2017
Ties: 1897, 1898, 1899, 1902, 1929, 1937, 1948, 1983
Jun 1900–May 1903
36-Month
54.2°F
(12.3°C)
54.2°F
(12.3°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1902 1906
70th Warmest Warmest to Date 2018
Ties: 1948, 1958, 1959, 1960, 1962
Jun 1899–May 1903
48-Month
54.1°F
(12.3°C)
54.2°F
(12.3°C)
-0.1°F
(0.0°C)
53rd Coolest Coolest since: 1902 1907
70th Warmest Warmest to Date 2019, 2020
Ties: 1940, 1959, 1962, 1972, 1984
Jun 1898–May 1903
60-Month
54.0°F
(12.2°C)
54.2°F
(12.3°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest since: 1902 1908
78th Warmest Warmest to Date 2020
Ties: 1937, 1941, 1942, 1943, 1962, 1979, 1980, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on March 8, 2021 from https://www.ncdc.noaa.gov/cag/