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.

Maximum Temperature Rankings, July 2021

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
July 2021
1-Month		87.66°F
(30.92°C)		86.68°F
(30.38°C)		0.98°F
(0.54°C)		99th Coolest
Coolest since:
1992
30th Warmest
Warmest since:
1936
Jun–Jul 2021
2-Month		86.64°F
(30.36°C)		84.01°F
(28.89°C)		2.63°F
(1.47°C)		122nd Coolest
Coolest since:
1915
7th Warmest
Warmest since:
1936
May–Jul 2021
3-Month		82.05°F
(27.81°C)		80.32°F
(26.84°C)		1.73°F
(0.97°C)		118th Coolest
Coolest since:
1907
11th Warmest
Warmest since:
1934
Apr–Jul 2021
4-Month		77.76°F
(25.42°C)		76.12°F
(24.51°C)		1.64°F
(0.91°C)		116th Coolest
Coolest since:
1907
13th Warmest
Warmest since:
1934
Mar–Jul 2021
5-Month		73.78°F
(23.21°C)		71.49°F
(21.94°C)		2.29°F
(1.27°C)		122nd Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2012
Feb–Jul 2021
6-Month		68.29°F
(20.16°C)		67.05°F
(19.47°C)		1.24°F
(0.69°C)		104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2012
Ties: 1918, 1931
Jan–Jul 2021
7-Month		64.82°F
(18.23°C)		63.25°F
(17.36°C)		1.57°F
(0.87°C)		110th Coolest
Coolest since:
1979
19th Warmest
Warmest since:
2012
Dec 2020–Jul 2021
8-Month		62.54°F
(16.97°C)		60.70°F
(15.94°C)		1.84°F
(1.03°C)		115th Coolest
Coolest since:
1979
13th Warmest
Warmest since:
2012
Nov 2020–Jul 2021
9-Month		62.07°F
(16.71°C)		59.82°F
(15.46°C)		2.25°F
(1.25°C)		119th Coolest
Coolest since:
1912
9th Warmest
Warmest since:
2012
Oct 2020–Jul 2021
10-Month		62.56°F
(16.98°C)		60.52°F
(15.84°C)		2.04°F
(1.14°C)		117th Coolest
Coolest since:
1912
11th Warmest
Warmest since:
2012
Sep 2020–Jul 2021
11-Month		64.04°F
(17.80°C)		62.09°F
(16.72°C)		1.95°F
(1.08°C)		117th Coolest
Coolest since:
1912
11th Warmest
Warmest since:
2012
Aug 2020–Jul 2021
12-Month		66.02°F
(18.90°C)		64.01°F
(17.78°C)		2.01°F
(1.12°C)		118th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
2012
Feb 2020–Jul 2021
18-Month		66.92°F
(19.40°C)		65.01°F
(18.34°C)		1.91°F
(1.06°C)		118th Coolest
Coolest since:
1979
10th Warmest
Warmest since:
2017
Aug 2019–Jul 2021
24-Month		65.80°F
(18.78°C)		63.99°F
(17.77°C)		1.81°F
(1.01°C)		116th Coolest
Coolest since:
1913
11th Warmest
Warmest since:
2017
Aug 2018–Jul 2021
36-Month		65.09°F
(18.38°C)		63.98°F
(17.77°C)		1.11°F
(0.61°C)		106th Coolest
Coolest since:
1905
20th Warmest
Warmest since:
2018
Aug 2017–Jul 2021
48-Month		65.25°F
(18.47°C)		63.97°F
(17.76°C)		1.28°F
(0.71°C)		108th Coolest
Coolest since:
1915
17th Warmest
Warmest since:
2018
Ties: 2012
Aug 2016–Jul 2021
60-Month		65.55°F
(18.64°C)		63.96°F
(17.76°C)		1.59°F
(0.88°C)		118th Coolest
Coolest since:
1907
6th Warmest
Warmest since:
2016
Ties: 2002, 2003

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