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


Contiguous U.S.

Maximum Temperature Rankings, December 1939

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1939
1-Month
48.83°F
(9.35°C)
42.76°F
(5.98°C)
6.07°F
(3.37°C)
126th Coolest Coolest since: 1938 1983
1st Warmest Warmest to Date 1939
Nov–Dec 1939
2-Month
51.88°F
(11.04°C)
47.73°F
(8.74°C)
4.15°F
(2.30°C)
123rd Coolest Coolest since: 1938 2000
4th Warmest Warmest to Date 1999
Oct–Dec 1939
3-Month
57.23°F
(14.02°C)
54.09°F
(12.27°C)
3.14°F
(1.75°C)
121st Coolest Coolest since: 1938 1972
6th Warmest Warmest to Date 1999
Sep–Dec 1939
4-Month
63.23°F
(17.35°C)
60.02°F
(15.57°C)
3.21°F
(1.78°C)
124th Coolest Coolest since: 1938 1972
3rd Warmest Warmest to Date 1999
Aug–Dec 1939
5-Month
67.86°F
(19.92°C)
65.04°F
(18.36°C)
2.82°F
(1.56°C)
124th Coolest Coolest since: 1938 1972
3rd Warmest Warmest to Date 1999
Jul–Dec 1939
6-Month
71.32°F
(21.84°C)
68.65°F
(20.36°C)
2.67°F
(1.48°C)
126th Coolest Coolest since: 1938 1972
1st Warmest Warmest to Date 1939
Jun–Dec 1939
7-Month
72.78°F
(22.66°C)
70.46°F
(21.37°C)
2.32°F
(1.29°C)
123rd Coolest Coolest since: 1938 1972
4th Warmest Warmest since: 1933 1933
Ties: 2012
May–Dec 1939
8-Month
73.24°F
(22.91°C)
70.77°F
(21.54°C)
2.47°F
(1.37°C)
124th Coolest Coolest since: 1938 1972
3rd Warmest Warmest since: 1934 1934
Apr–Dec 1939
9-Month
72.28°F
(22.38°C)
69.97°F
(21.09°C)
2.31°F
(1.29°C)
124th Coolest Coolest since: 1938 1972
3rd Warmest Warmest since: 1934 2012
Mar–Dec 1939
10-Month
70.53°F
(21.41°C)
68.27°F
(20.15°C)
2.26°F
(1.26°C)
123rd Coolest Coolest since: 1938 1912
4th Warmest Warmest since: 1934 2012
Feb–Dec 1939
11-Month
67.90°F
(19.94°C)
66.14°F
(18.97°C)
1.76°F
(0.97°C)
116th Coolest Coolest since: 1938 1912
11th Warmest Warmest since: 1934 2012
Jan–Dec 1939
12-Month
65.91°F
(18.84°C)
64.00°F
(17.78°C)
1.91°F
(1.06°C)
117th Coolest Coolest since: 1938 1912
10th Warmest Warmest since: 1934 2012
Jul 1938–Dec 1939
18-Month
67.29°F
(19.61°C)
65.55°F
(18.64°C)
1.74°F
(0.97°C)
116th Coolest Coolest since: 1938 1912
10th Warmest Warmest since: 1934 2012
Jan 1938–Dec 1939
24-Month
65.56°F
(18.64°C)
64.00°F
(17.78°C)
1.56°F
(0.86°C)
114th Coolest Coolest since: 1938 1913
12th Warmest Warmest since: 1934 2017
Jan 1937–Dec 1939
36-Month
64.85°F
(18.25°C)
63.98°F
(17.77°C)
0.87°F
(0.48°C)
96th Coolest Coolest since: 1938 1905
29th Warmest Warmest since: 1936 2017
Ties: 1992, 2015
Jan 1936–Dec 1939
48-Month
64.79°F
(18.22°C)
63.97°F
(17.76°C)
0.82°F
(0.46°C)
94th Coolest Coolest since: 1938 1906
30th Warmest Warmest since: 1936 2018
Jan 1935–Dec 1939
60-Month
64.57°F
(18.09°C)
63.97°F
(17.76°C)
0.60°F
(0.33°C)
87th Coolest Coolest since: 1933 1907
36th Warmest Warmest since: 1938 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on November 30, 2021 from https://www.ncdc.noaa.gov/cag/