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 2019

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 2019
1-Month		36.43°F
(2.46°C)		32.68°F
(0.38°C)		3.75°F
(2.08°C)		122nd Coolest
Coolest since:
1983
7th Warmest
Warmest since:
2021
Ties: 1933
Nov–Dec 2019
2-Month		38.77°F
(3.76°C)		37.19°F
(2.88°C)		1.58°F
(0.88°C)		98th Coolest
Coolest since:
2000
31st Warmest
Warmest since:
2021
Oct–Dec 2019
3-Month		43.20°F
(6.22°C)		42.83°F
(6.02°C)		0.37°F
(0.20°C)		66th Coolest
Coolest since:
1898
63rd Warmest
Warmest since:
2021
Ties: 1928
Sep–Dec 2019
4-Month		49.51°F
(9.73°C)		48.34°F
(9.08°C)		1.17°F
(0.65°C)		105th Coolest
Coolest since:
1976
24th Warmest
Warmest since:
2021
Ties: 1934
Aug–Dec 2019
5-Month		54.35°F
(12.42°C)		53.09°F
(11.72°C)		1.26°F
(0.70°C)		111th Coolest
Coolest since:
1976
18th Warmest
Warmest since:
2021
Ties: 2022
Jul–Dec 2019
6-Month		57.73°F
(14.29°C)		56.51°F
(13.62°C)		1.22°F
(0.67°C)		109th Coolest
Coolest since:
1976
20th Warmest
Warmest since:
2021
Ties: 2006
Jun–Dec 2019
7-Month		59.30°F
(15.17°C)		58.22°F
(14.57°C)		1.08°F
(0.60°C)		101st Coolest
Coolest since:
1976
28th Warmest
Warmest since:
2021
May–Dec 2019
8-Month		59.32°F
(15.18°C)		58.47°F
(14.71°C)		0.85°F
(0.47°C)		95th Coolest
Coolest since:
1976
34th Warmest
Warmest since:
2021
Apr–Dec 2019
9-Month		58.60°F
(14.78°C)		57.64°F
(14.24°C)		0.96°F
(0.54°C)		99th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
2021
Mar–Dec 2019
10-Month		56.77°F
(13.76°C)		56.03°F
(13.35°C)		0.74°F
(0.41°C)		89th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2012
Feb–Dec 2019
11-Month		54.50°F
(12.50°C)		54.01°F
(12.23°C)		0.49°F
(0.27°C)		86th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2012
Ties: 1910
Jan–Dec 2019
12-Month		52.68°F
(11.49°C)		52.02°F
(11.12°C)		0.66°F
(0.37°C)		92nd Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2012
Jul 2018–Dec 2019
18-Month		54.32°F
(12.40°C)		53.52°F
(11.96°C)		0.80°F
(0.44°C)		97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2012, 2016
Jan 2018–Dec 2019
24-Month		53.10°F
(11.72°C)		52.02°F
(11.12°C)		1.08°F
(0.60°C)		103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2017
Jan 2017–Dec 2019
36-Month		53.58°F
(11.99°C)		52.01°F
(11.12°C)		1.57°F
(0.87°C)		115th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2017
Jan 2016–Dec 2019
48-Month		53.92°F
(12.18°C)		52.00°F
(11.11°C)		1.92°F
(1.07°C)		123rd Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2018
Jan 2015–Dec 2019
60-Month		54.01°F
(12.23°C)		51.99°F
(11.11°C)		2.02°F
(1.12°C)		124th Coolest
Coolest since:
1920
1st Warmest
Warmest to Date
2019, 2020
Ties: 2020

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