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 October 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, December 1939

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1939
1-Month
37.0°F
(2.8°C)
36.2°F
(2.3°C)
0.8°F
(0.5°C)
63rd Coolest Coolest since: 1938 1989
62nd Warmest Warmest since: 1936 2015
Nov–Dec 1939
2-Month
39.6°F
(4.2°C)
41.0°F
(5.0°C)
-1.4°F
(-0.8°C)
34th Coolest Coolest since: 1937 1917
91st Warmest Warmest since: 1938 2015
Ties: 1954, 2010
Oct–Dec 1939
3-Month
45.3°F
(7.4°C)
46.1°F
(7.8°C)
-0.8°F
(-0.4°C)
35th Coolest Coolest since: 1937 1917
90th Warmest Warmest since: 1938 2015
Ties: 1895, 1898
Sep–Dec 1939
4-Month
51.0°F
(10.6°C)
51.4°F
(10.8°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest since: 1937 1917
88th Warmest Warmest since: 1938 2015
Ties: 1899, 1908, 1915, 1933
Aug–Dec 1939
5-Month
56.0°F
(13.3°C)
55.9°F
(13.3°C)
0.1°F
(0.0°C)
53rd Coolest Coolest since: 1937 1917
72nd Warmest Warmest since: 1938 2015
Ties: 1897
Jul–Dec 1939
6-Month
59.0°F
(15.0°C)
59.1°F
(15.1°C)
-0.1°F
(-0.1°C)
42nd Coolest Coolest since: 1937 1917
83rd Warmest Warmest since: 1938 2015
Ties: 1895, 1934, 1964, 1965
Jun–Dec 1939
7-Month
61.0°F
(16.1°C)
60.8°F
(16.0°C)
0.2°F
(0.1°C)
55th Coolest Coolest since: 1937 1917
70th Warmest Warmest since: 1938 2015
Ties: 1920, 1932, 1951, 1980, 1997
May–Dec 1939
8-Month
61.3°F
(16.3°C)
60.9°F
(16.1°C)
0.4°F
(0.2°C)
70th Coolest Coolest since: 1938 1917
55th Warmest Warmest since: 1936 2015
Ties: 1918, 1948, 1961
Apr–Dec 1939
9-Month
60.2°F
(15.7°C)
60.0°F
(15.6°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1937 1917
59th Warmest Warmest since: 1938 2015
Ties: 1912, 1918, 1922, 1948, 1956, 1978
Mar–Dec 1939
10-Month
58.5°F
(14.7°C)
58.3°F
(14.6°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 1937 1917
60th Warmest Warmest since: 1938 2012
Ties: 1908, 1929, 1952, 1988
Feb–Dec 1939
11-Month
56.8°F
(13.8°C)
56.1°F
(13.4°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1937 1917
42nd Warmest Warmest since: 1938 2012
Ties: 1913, 1975, 1983
Jan–Dec 1939
12-Month
54.9°F
(12.7°C)
54.1°F
(12.3°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 1937 1904
40th Warmest Warmest since: 1938 2012
Ties: 1933, 1983, 1987
Jul 1938–Dec 1939
18-Month
56.5°F
(13.6°C)
55.8°F
(13.2°C)
0.7°F
(0.4°C)
82nd Coolest Coolest since: 1938 1904
42nd Warmest Warmest since: 1932 2012
Ties: 1959, 1975, 1984
Jan 1938–Dec 1939
24-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
89th Coolest Coolest since: 1938 1905
35th Warmest Warmest since: 1932 2012
Ties: 1985, 1987
Jan 1937–Dec 1939
36-Month
54.7°F
(12.6°C)
54.2°F
(12.3°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1938 1905
41st Warmest Warmest since: 1933 2012
Ties: 1956, 1957, 1988, 1996, 1997
Jan 1936–Dec 1939
48-Month
54.5°F
(12.5°C)
54.2°F
(12.3°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1938 1907
52nd Warmest Warmest since: 1934 2013, 2018
Ties: 1922, 1946, 1947
Jan 1935–Dec 1939
60-Month
54.2°F
(12.3°C)
54.2°F
(12.3°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1938 1905
67th Warmest Warmest since: 1935 2012
Ties: 1942, 1960, 1973, 1978, 1984

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 21, 2019 from https://www.ncdc.noaa.gov/cag/