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 2017

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 2017
1-Month
34.29°F
(1.27°C)
32.68°F
(0.38°C)
1.61°F
(0.89°C)
86th Coolest Coolest since: 2016 1983
39th Warmest Warmest since: 2015 2015
Ties: 1975
Nov–Dec 2017
2-Month
39.66°F
(4.26°C)
37.19°F
(2.88°C)
2.47°F
(1.38°C)
115th Coolest Coolest since: 2014 2000
10th Warmest Warmest since: 2016 1999
Oct–Dec 2017
3-Month
45.00°F
(7.22°C)
42.83°F
(6.02°C)
2.17°F
(1.20°C)
118th Coolest Coolest since: 2014 1898
7th Warmest Warmest since: 2016 2015
Ties: 1931
Sep–Dec 2017
4-Month
50.32°F
(10.18°C)
48.34°F
(9.08°C)
1.98°F
(1.10°C)
116th Coolest Coolest since: 2014 1976
9th Warmest Warmest since: 2016 2015
Aug–Dec 2017
5-Month
54.66°F
(12.59°C)
53.09°F
(11.72°C)
1.57°F
(0.87°C)
111th Coolest Coolest since: 2014 1976
14th Warmest Warmest since: 2016 2015
Jul–Dec 2017
6-Month
58.16°F
(14.53°C)
56.50°F
(13.61°C)
1.66°F
(0.92°C)
113th Coolest Coolest since: 2014 1976
12th Warmest Warmest since: 2016 2015
Ties: 1933, 2005
Jun–Dec 2017
7-Month
59.91°F
(15.51°C)
58.22°F
(14.57°C)
1.69°F
(0.94°C)
115th Coolest Coolest since: 2014 1976
10th Warmest Warmest since: 2016 2015
May–Dec 2017
8-Month
59.99°F
(15.55°C)
58.47°F
(14.71°C)
1.52°F
(0.84°C)
112th Coolest Coolest since: 2014 1976
13th Warmest Warmest since: 2016 2015
Apr–Dec 2017
9-Month
59.30°F
(15.17°C)
57.64°F
(14.24°C)
1.66°F
(0.93°C)
117th Coolest Coolest since: 2014 1917
8th Warmest Warmest since: 2016 2015
Mar–Dec 2017
10-Month
57.99°F
(14.44°C)
56.03°F
(13.35°C)
1.96°F
(1.09°C)
120th Coolest Coolest since: 2014 1917
5th Warmest Warmest since: 2016 2012
Feb–Dec 2017
11-Month
56.46°F
(13.59°C)
54.01°F
(12.23°C)
2.45°F
(1.36°C)
122nd Coolest Coolest since: 2015 1917
3rd Warmest Warmest since: 2016 2012
Jan–Dec 2017
12-Month
54.55°F
(12.53°C)
52.02°F
(11.12°C)
2.53°F
(1.41°C)
122nd Coolest Coolest since: 2015 1917
3rd Warmest Warmest since: 2016 2012
Jul 2016–Dec 2017
18-Month
56.06°F
(13.37°C)
53.52°F
(11.96°C)
2.54°F
(1.41°C)
121st Coolest Coolest since: 2015 1917
3rd Warmest Warmest since: 2016 2012, 2016
Jan 2016–Dec 2017
24-Month
54.73°F
(12.63°C)
52.01°F
(11.12°C)
2.72°F
(1.51°C)
123rd Coolest Coolest since: 2016 1917
1st Warmest Warmest to Date 2017
Jan 2015–Dec 2017
36-Month
54.62°F
(12.57°C)
52.00°F
(11.11°C)
2.62°F
(1.46°C)
122nd Coolest Coolest since: 2016 1917
1st Warmest Warmest to Date 2017
Jan 2014–Dec 2017
48-Month
54.10°F
(12.28°C)
51.99°F
(11.11°C)
2.11°F
(1.17°C)
120th Coolest Coolest since: 2016 1917
2nd Warmest Warmest to Date 2018
Jan 2013–Dec 2017
60-Month
53.77°F
(12.09°C)
51.99°F
(11.11°C)
1.78°F
(0.98°C)
118th Coolest Coolest since: 2015 1920
3rd Warmest Warmest since: 2016 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/