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 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, December 2021

View Period (Months):All1234567891011121824364860
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2021
1-Month
39.33°F
(4.07°C)
32.68°F
(0.38°C)
6.65°F
(3.69°C)
127th Coolest Coolest since: 2020 1983
1st Warmest Warmest to Date 2021
Nov–Dec 2021
2-Month
42.21°F
(5.67°C)
37.19°F
(2.88°C)
5.02°F
(2.79°C)
127th Coolest Coolest since: 2020 2000
1st Warmest Warmest to Date 2021
Oct–Dec 2021
3-Month
47.12°F
(8.40°C)
42.83°F
(6.02°C)
4.29°F
(2.38°C)
127th Coolest Coolest since: 2020 1898
1st Warmest Warmest to Date 2021
Sep–Dec 2021
4-Month
52.29°F
(11.27°C)
48.33°F
(9.07°C)
3.96°F
(2.20°C)
127th Coolest Coolest since: 2020 1976
1st Warmest Warmest to Date 2021
Aug–Dec 2021
5-Month
56.63°F
(13.68°C)
53.09°F
(11.72°C)
3.54°F
(1.96°C)
127th Coolest Coolest since: 2020 1976
1st Warmest Warmest to Date 2021
Jul–Dec 2021
6-Month
59.76°F
(15.42°C)
56.51°F
(13.62°C)
3.25°F
(1.80°C)
127th Coolest Coolest since: 2020 1976
1st Warmest Warmest to Date 2021
Jun–Dec 2021
7-Month
61.59°F
(16.44°C)
58.22°F
(14.57°C)
3.37°F
(1.87°C)
127th Coolest Coolest since: 2020 1976
1st Warmest Warmest to Date 2021
May–Dec 2021
8-Month
61.44°F
(16.36°C)
58.47°F
(14.71°C)
2.97°F
(1.65°C)
127th Coolest Coolest since: 2020 1976
1st Warmest Warmest to Date 2021
Apr–Dec 2021
9-Month
60.37°F
(15.76°C)
57.64°F
(14.24°C)
2.73°F
(1.52°C)
127th Coolest Coolest since: 2020 1917
1st Warmest Warmest to Date 2021
Mar–Dec 2021
10-Month
58.89°F
(14.94°C)
56.03°F
(13.35°C)
2.86°F
(1.59°C)
126th Coolest Coolest since: 2020 1917
2nd Warmest Warmest since: 2012 2012
Feb–Dec 2021
11-Month
56.32°F
(13.51°C)
54.01°F
(12.23°C)
2.31°F
(1.28°C)
123rd Coolest Coolest since: 2020 1917
5th Warmest Warmest since: 2017 2012
Jan–Dec 2021
12-Month
54.50°F
(12.50°C)
52.02°F
(11.12°C)
2.48°F
(1.38°C)
124th Coolest Coolest since: 2020 1917
4th Warmest Warmest since: 2017 2012
Jul 2020–Dec 2021
18-Month
55.92°F
(13.29°C)
53.52°F
(11.96°C)
2.40°F
(1.33°C)
123rd Coolest Coolest since: 2020 1917
4th Warmest Warmest since: 2017 2012, 2016
Jan 2020–Dec 2021
24-Month
54.44°F
(12.47°C)
52.02°F
(11.12°C)
2.42°F
(1.35°C)
124th Coolest Coolest since: 2020 1917
3rd Warmest Warmest since: 2017 2017
Jan 2019–Dec 2021
36-Month
53.85°F
(12.14°C)
52.01°F
(11.12°C)
1.84°F
(1.02°C)
122nd Coolest Coolest since: 2020 1917
4th Warmest Warmest since: 2018 2017
Ties: 2007
Jan 2018–Dec 2021
48-Month
53.77°F
(12.09°C)
52.00°F
(11.11°C)
1.77°F
(0.98°C)
120th Coolest Coolest since: 2016 1917
5th Warmest Warmest since: 2020 2018
Ties: 2001
Jan 2017–Dec 2021
60-Month
53.92°F
(12.18°C)
51.98°F
(11.10°C)
1.94°F
(1.08°C)
120th Coolest Coolest since: 2017 1920
4th Warmest Warmest since: 2020 2019, 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, Average Temperature, published September 2022, retrieved on October 2, 2022 from https://www.ncdc.noaa.gov/cag/