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 May 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, May 2021

View Period (Months):All1234567891011121824364860
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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 2021
1-Month
60.35°F
(15.75°C)
60.20°F
(15.67°C)
0.15°F
(0.08°C)
65th Coolest Coolest since: 2019 1917
63rd Warmest Warmest since: 2020 2018
Ties: 1975
Apr–May 2021
2-Month
56.13°F
(13.41°C)
55.63°F
(13.13°C)
0.50°F
(0.28°C)
73rd Coolest Coolest since: 2020 1907
55th Warmest Warmest since: 2019 1934
Mar–May 2021
3-Month
52.60°F
(11.44°C)
50.92°F
(10.51°C)
1.68°F
(0.93°C)
107th Coolest Coolest since: 2019 1917
21st Warmest Warmest since: 2020 2012
Feb–May 2021
4-Month
47.10°F
(8.39°C)
46.65°F
(8.14°C)
0.45°F
(0.25°C)
79th Coolest Coolest since: 2019 1917
49th Warmest Warmest since: 2020 2012
Ties: 1926
Jan–May 2021
5-Month
44.60°F
(7.00°C)
43.34°F
(6.30°C)
1.26°F
(0.70°C)
98th Coolest Coolest since: 2019 1917
30th Warmest Warmest since: 2020 2012
Dec 2020–May 2021
6-Month
43.12°F
(6.18°C)
41.57°F
(5.32°C)
1.55°F
(0.86°C)
106th Coolest Coolest since: 2019 1917
21st Warmest Warmest since: 2020 2012
Nov 2020–May 2021
7-Month
43.58°F
(6.43°C)
41.60°F
(5.33°C)
1.98°F
(1.10°C)
116th Coolest Coolest since: 2019 1917
11th Warmest Warmest since: 2020 2012
Oct 2020–May 2021
8-Month
44.92°F
(7.18°C)
43.16°F
(6.20°C)
1.76°F
(0.98°C)
114th Coolest Coolest since: 2020 1917
13th Warmest Warmest since: 2018 2012
Sep 2020–May 2021
9-Month
47.25°F
(8.47°C)
45.57°F
(7.54°C)
1.68°F
(0.93°C)
114th Coolest Coolest since: 2019 1917
13th Warmest Warmest since: 2020 2012
Aug 2020–May 2021
10-Month
50.00°F
(10.00°C)
48.23°F
(9.02°C)
1.77°F
(0.98°C)
117th Coolest Coolest since: 2019 1917
10th Warmest Warmest since: 2020 2012
Jul 2020–May 2021
11-Month
52.33°F
(11.29°C)
50.53°F
(10.29°C)
1.80°F
(1.00°C)
118th Coolest Coolest since: 2019 1917
9th Warmest Warmest since: 2020 2012
Jun 2020–May 2021
12-Month
53.83°F
(12.13°C)
52.03°F
(11.13°C)
1.80°F
(1.00°C)
119th Coolest Coolest since: 2020 1917
8th Warmest Warmest since: 2017 2012
Dec 2019–May 2021
18-Month
50.66°F
(10.37°C)
48.53°F
(9.18°C)
2.13°F
(1.19°C)
117th Coolest Coolest since: 2020 1918
9th Warmest Warmest since: 2018 2017
Jun 2019–May 2021
24-Month
53.77°F
(12.09°C)
52.01°F
(11.12°C)
1.76°F
(0.97°C)
118th Coolest Coolest since: 2020 1918
8th Warmest Warmest since: 2018 2017
Jun 2018–May 2021
36-Month
53.47°F
(11.93°C)
52.00°F
(11.11°C)
1.47°F
(0.82°C)
111th Coolest Coolest since: 2020 1918
14th Warmest Warmest since: 2019 2018
Jun 2017–May 2021
48-Month
53.52°F
(11.96°C)
51.99°F
(11.11°C)
1.53°F
(0.85°C)
116th Coolest Coolest since: 2016 1918
8th Warmest Warmest since: 2020 2018
Ties: 2006
Jun 2016–May 2021
60-Month
53.85°F
(12.14°C)
51.99°F
(11.11°C)
1.86°F
(1.03°C)
119th Coolest Coolest since: 2017 1920
4th Warmest Warmest since: 2020 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published June 2021, retrieved on June 12, 2021 from https://www.ncdc.noaa.gov/cag/