Climate at a Glance

National 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 August 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, December 1939

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1939
1-Month
37.72°F
(3.18°C)
32.68°F
(0.38°C)
5.04°F
(2.80°C)
123rd Coolest Coolest since: 1938 1983
2nd Warmest Warmest to Date 2015
Nov–Dec 1939
2-Month
40.01°F
(4.45°C)
37.19°F
(2.88°C)
2.82°F
(1.57°C)
117th Coolest Coolest since: 1938 2000
8th Warmest Warmest to Date 1999
Oct–Dec 1939
3-Month
44.91°F
(7.17°C)
42.83°F
(6.02°C)
2.08°F
(1.15°C)
116th Coolest Coolest since: 1938 1898
9th Warmest Warmest since: 1931 2015
Sep–Dec 1939
4-Month
50.53°F
(10.29°C)
48.34°F
(9.08°C)
2.19°F
(1.21°C)
118th Coolest Coolest since: 1938 1976
7th Warmest Warmest since: 1931 2015
Aug–Dec 1939
5-Month
54.95°F
(12.75°C)
53.09°F
(11.72°C)
1.86°F
(1.03°C)
116th Coolest Coolest since: 1938 1976
9th Warmest Warmest since: 1931 2015
Jul–Dec 1939
6-Month
58.27°F
(14.59°C)
56.51°F
(13.62°C)
1.76°F
(0.97°C)
115th Coolest Coolest since: 1938 1976
10th Warmest Warmest since: 1931 2015
Jun–Dec 1939
7-Month
59.78°F
(15.43°C)
58.22°F
(14.57°C)
1.56°F
(0.86°C)
112th Coolest Coolest since: 1938 1976
13th Warmest Warmest since: 1934 2015
May–Dec 1939
8-Month
60.15°F
(15.64°C)
58.47°F
(14.71°C)
1.68°F
(0.93°C)
116th Coolest Coolest since: 1938 1976
9th Warmest Warmest since: 1934 2015
Apr–Dec 1939
9-Month
59.19°F
(15.11°C)
57.64°F
(14.24°C)
1.55°F
(0.87°C)
116th Coolest Coolest since: 1938 1917
9th Warmest Warmest since: 1934 2015
Mar–Dec 1939
10-Month
57.52°F
(14.18°C)
56.03°F
(13.35°C)
1.49°F
(0.83°C)
114th Coolest Coolest since: 1938 1917
11th Warmest Warmest since: 1934 2012
Feb–Dec 1939
11-Month
55.02°F
(12.79°C)
54.01°F
(12.23°C)
1.01°F
(0.56°C)
100th Coolest Coolest since: 1937 1917
25th Warmest Warmest since: 1938 2012
Ties: 1986
Jan–Dec 1939
12-Month
53.26°F
(11.81°C)
52.02°F
(11.12°C)
1.24°F
(0.69°C)
104th Coolest Coolest since: 1938 1917
21st Warmest Warmest since: 1934 2012
Ties: 2003
Jul 1938–Dec 1939
18-Month
54.66°F
(12.59°C)
53.52°F
(11.96°C)
1.14°F
(0.63°C)
107th Coolest Coolest since: 1938 1917
17th Warmest Warmest since: 1934 2012, 2016
Jan 1938–Dec 1939
24-Month
53.22°F
(11.79°C)
52.02°F
(11.12°C)
1.20°F
(0.67°C)
105th Coolest Coolest since: 1938 1917
19th Warmest Warmest since: 1934 2017
Ties: 1998
Jan 1937–Dec 1939
36-Month
52.66°F
(11.48°C)
52.00°F
(11.11°C)
0.66°F
(0.37°C)
92nd Coolest Coolest since: 1938 1917
31st Warmest Warmest since: 1936 2017
Ties: 1990
Jan 1936–Dec 1939
48-Month
52.54°F
(11.41°C)
52.00°F
(11.11°C)
0.54°F
(0.30°C)
87th Coolest Coolest since: 1938 1917
35th Warmest Warmest since: 1936 2018
Jan 1935–Dec 1939
60-Month
52.41°F
(11.34°C)
51.99°F
(11.11°C)
0.42°F
(0.23°C)
82nd Coolest Coolest since: 1933 1920
39th Warmest Warmest since: 1938 2018
Ties: 1940

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/