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 2021. 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
Anomaly Rank
(1895-2020)
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
41st 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)
116th Coolest Coolest since: 2014 2000
11th 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)
119th Coolest Coolest since: 2014 1898
8th 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)
117th Coolest Coolest since: 2014 1976
10th 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)
112th Coolest Coolest since: 2014 1976
15th 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)
114th Coolest Coolest since: 2014 1976
13th 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)
116th Coolest Coolest since: 2014 1976
11th 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)
113th Coolest Coolest since: 2014 1976
14th 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)
118th Coolest Coolest since: 2014 1917
9th 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)
121st Coolest Coolest since: 2014 1917
6th 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)
124th 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)
124th 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)
123rd 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)
125th 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)
124th 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)
122nd 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
5th Warmest Warmest since: 2016 2019, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2021, retrieved on September 23, 2021 from https://www.ncdc.noaa.gov/cag/