Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Montana

Average Temperature Rankings, July 2021

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
July 2021
1-Month 		72.5°F
(22.5°C)		 65.7°F
(18.7°C)		 6.8°F
(3.8°C)		 126th Coolest
Coolest since:
 1993
3rd Warmest
Warmest since:
 1936
Jun–Jul 2021
2-Month 		68.9°F
(20.5°C)		 62.0°F
(16.7°C)		 6.9°F
(3.8°C)		 128th Coolest
Coolest since:
 1915
1st Warmest
Warmest to Date
 2021
May–Jul 2021
3-Month 		62.1°F
(16.7°C)		 58.0°F
(14.4°C)		 4.1°F
(2.3°C)		 126th Coolest
Coolest since:
 1915
3rd Warmest
Warmest since:
 1936
Apr–Jul 2021
4-Month 		56.7°F
(13.7°C)		 53.7°F
(12.1°C)		 3.0°F
(1.6°C)		 119th Coolest
Coolest since:
 1907
10th Warmest
Warmest since:
 1988
Mar–Jul 2021
5-Month 		52.6°F
(11.4°C)		 48.9°F
(9.4°C)		 3.7°F
(2.0°C)		 123rd Coolest
Coolest since:
 1899
6th Warmest
Warmest since:
 1910
Feb–Jul 2021
6-Month 		46.1°F
(7.8°C)		 44.3°F
(6.8°C)		 1.8°F
(1.0°C)		 101st Coolest
Coolest since:
 1899
28th Warmest
Warmest since:
 2016
Ties: 1974, 1980, 1986
Jan–Jul 2021
7-Month 		43.3°F
(6.3°C)		 40.3°F
(4.6°C)		 3.0°F
(1.7°C)		 113th Coolest
Coolest since:
 1899
16th Warmest
Warmest since:
 1934
Ties: 1900, 2017
Dec 2020–Jul 2021
8-Month 		41.5°F
(5.3°C)		 37.9°F
(3.3°C)		 3.6°F
(2.0°C)		 114th Coolest
Coolest since:
 1899
14th Warmest
Warmest since:
 1992
Nov 2020–Jul 2021
9-Month 		40.5°F
(4.7°C)		 36.9°F
(2.7°C)		 3.6°F
(2.0°C)		 116th Coolest
Coolest since:
 1899
12th Warmest
Warmest since:
 1934
Oct 2020–Jul 2021
10-Month 		40.4°F
(4.7°C)		 37.6°F
(3.1°C)		 2.8°F
(1.6°C)		 115th Coolest
Coolest since:
 1899
13th Warmest
Warmest since:
 2016
Ties: 1931
Sep 2020–Jul 2021
11-Month 		41.9°F
(5.5°C)		 39.1°F
(3.9°C)		 2.8°F
(1.6°C)		 116th Coolest
Coolest since:
 1899
12th Warmest
Warmest since:
 2016
Ties: 2007
Aug 2020–Jul 2021
12-Month 		44.0°F
(6.7°C)		 41.1°F
(5.1°C)		 2.9°F
(1.6°C)		 119th Coolest
Coolest since:
 1899
9th Warmest
Warmest since:
 2016
Feb 2020–Jul 2021
18-Month 		44.4°F
(6.9°C)		 42.2°F
(5.7°C)		 2.2°F
(1.2°C)		 115th Coolest
Coolest since:
 1899
13th Warmest
Warmest since:
 2016
Ties: 1981
Aug 2019–Jul 2021
24-Month 		43.0°F
(6.1°C)		 41.1°F
(5.1°C)		 1.9°F
(1.0°C)		 111th Coolest
Coolest since:
 1917
16th Warmest
Warmest since:
 2016
Aug 2018–Jul 2021
36-Month 		42.1°F
(5.6°C)		 41.1°F
(5.1°C)		 1.0°F
(0.5°C)		 95th Coolest
Coolest since:
 1899, 1952
31st Warmest
Warmest since:
 2017
Ties: 1936, 1982
Aug 2017–Jul 2021
48-Month 		41.9°F
(5.5°C)		 41.1°F
(5.1°C)		 0.8°F
(0.4°C)		 88th Coolest
Coolest since:
 1952
37th Warmest
Warmest since:
 2007, 2017, 2018
Ties: 1940, 1999
Aug 2016–Jul 2021
60-Month 		42.2°F
(5.7°C)		 41.1°F
(5.1°C)		 1.1°F
(0.6°C)		 100th Coolest
Coolest since:
 1952
24th Warmest
Warmest since:
 2016
Ties: 1941, 1984, 1988, 1993, 1994, 2013, 2014

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