National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Average Temperature Rankings, December 1955

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 1955
1-Month 		31.71°F
(-0.16°C)		 32.68°F
(0.38°C)		 -0.97°F
(-0.54°C)		 36th Coolest
Coolest since:
 1983
93rd Warmest
Warmest since:
 2021
Ties: 1895
Nov–Dec 1955
2-Month 		34.97°F
(1.65°C)		 37.19°F
(2.88°C)		 -2.22°F
(-1.23°C)		 11th Coolest
Coolest since:
 2000
118th Warmest
Warmest since:
 2021
Oct–Dec 1955
3-Month 		41.66°F
(5.37°C)		 42.83°F
(6.02°C)		 -1.17°F
(-0.65°C)		 21st Coolest
Coolest since:
 1898
108th Warmest
Warmest since:
 2021
Sep–Dec 1955
4-Month 		47.72°F
(8.73°C)		 48.34°F
(9.08°C)		 -0.62°F
(-0.35°C)		 31st Coolest
Coolest since:
 1976
98th Warmest
Warmest since:
 2021
Aug–Dec 1955
5-Month 		52.95°F
(11.64°C)		 53.09°F
(11.72°C)		 -0.14°F
(-0.08°C)		 47th Coolest
Coolest since:
 1976
82nd Warmest
Warmest since:
 2021
Ties: 1904, 1957
Jul–Dec 1955
6-Month 		56.53°F
(13.63°C)		 56.51°F
(13.62°C)		 0.02°F
(0.01°C)		 58th Coolest
Coolest since:
 1976
71st Warmest
Warmest since:
 2021
Ties: 1966
Jun–Dec 1955
7-Month 		57.96°F
(14.42°C)		 58.22°F
(14.57°C)		 -0.26°F
(-0.15°C)		 44th Coolest
Coolest since:
 1976
85th Warmest
Warmest since:
 2021
Ties: 1906
May–Dec 1955
8-Month 		58.38°F
(14.66°C)		 58.47°F
(14.71°C)		 -0.09°F
(-0.05°C)		 45th Coolest
Coolest since:
 1976
84th Warmest
Warmest since:
 2021
Ties: 1896, 1971, 2009
Apr–Dec 1955
9-Month 		57.76°F
(14.31°C)		 57.64°F
(14.24°C)		 0.12°F
(0.07°C)		 62nd Coolest
Coolest since:
 1917
67th Warmest
Warmest since:
 2021
Ties: 1913, 1969, 2000
Mar–Dec 1955
10-Month 		55.99°F
(13.33°C)		 56.03°F
(13.35°C)		 -0.04°F
(-0.02°C)		 62nd Coolest
Coolest since:
 1917
67th Warmest
Warmest since:
 2012
Feb–Dec 1955
11-Month 		53.72°F
(12.07°C)		 54.01°F
(12.23°C)		 -0.29°F
(-0.16°C)		 45th Coolest
Coolest since:
 1917
84th Warmest
Warmest since:
 2012
Ties: 1901
Jan–Dec 1955
12-Month 		51.69°F
(10.94°C)		 52.02°F
(11.12°C)		 -0.33°F
(-0.18°C)		 40th Coolest
Coolest since:
 1917
89th Warmest
Warmest since:
 2012
Ties: 1965
Jul 1954–Dec 1955
18-Month 		53.73°F
(12.07°C)		 53.52°F
(11.96°C)		 0.21°F
(0.11°C)		 74th Coolest
Coolest since:
 1917
54th Warmest
Warmest since:
 2012, 2016
Ties: 1957
Jan 1954–Dec 1955
24-Month 		52.51°F
(11.39°C)		 52.02°F
(11.12°C)		 0.49°F
(0.27°C)		 88th Coolest
Coolest since:
 1917
40th Warmest
Warmest since:
 2017
Jan 1953–Dec 1955
36-Month 		52.80°F
(11.56°C)		 52.01°F
(11.12°C)		 0.79°F
(0.44°C)		 98th Coolest
Coolest since:
 1917
29th Warmest
Warmest since:
 2017
Jan 1952–Dec 1955
48-Month 		52.66°F
(11.48°C)		 52.00°F
(11.11°C)		 0.66°F
(0.37°C)		 91st Coolest
Coolest since:
 1917
35th Warmest
Warmest since:
 2018
Jan 1951–Dec 1955
60-Month 		52.36°F
(11.31°C)		 51.99°F
(11.11°C)		 0.37°F
(0.20°C)		 80th Coolest
Coolest since:
 1920
45th Warmest
Warmest since:
 2019, 2020
Ties: 1987

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