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, August 2021

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 2021
1-Month
64.7°F
(18.2°C)
64.1°F
(17.8°C)
0.6°F
(0.4°C)
69th Coolest
Coolest since:
1911
60th Warmest
Warmest since:
1971, 2003
Ties: 1932
Jul–Aug 2021
2-Month
68.6°F
(20.3°C)
64.9°F
(18.3°C)
3.7°F
(2.0°C)
123rd Coolest
Coolest since:
1993
6th Warmest
Warmest since:
2003
Ties: 1998, 2017
Jun–Aug 2021
3-Month
67.5°F
(19.7°C)
62.7°F
(17.1°C)
4.8°F
(2.6°C)
127th Coolest
Coolest since:
1993
2nd Warmest
Warmest since:
1936
May–Aug 2021
4-Month
62.8°F
(17.1°C)
59.6°F
(15.3°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1907
5th Warmest
Warmest since:
1936
Ties: 2006
Apr–Aug 2021
5-Month
58.3°F
(14.6°C)
55.8°F
(13.2°C)
2.5°F
(1.4°C)
118th Coolest
Coolest since:
1907
11th Warmest
Warmest since:
1936, 1988
Mar–Aug 2021
6-Month
54.6°F
(12.6°C)
51.4°F
(10.8°C)
3.2°F
(1.8°C)
122nd Coolest
Coolest since:
1899
7th Warmest
Warmest since:
1988
Ties: 2015, 2017
Feb–Aug 2021
7-Month
48.8°F
(9.3°C)
47.1°F
(8.4°C)
1.7°F
(0.9°C)
100th Coolest
Coolest since:
1899
29th Warmest
Warmest since:
2016
Ties: 1940, 1999
Jan–Aug 2021
8-Month
46.0°F
(7.8°C)
43.3°F
(6.3°C)
2.7°F
(1.5°C)
109th Coolest
Coolest since:
1899
20th Warmest
Warmest since:
1934
Dec 2020–Aug 2021
9-Month
44.1°F
(6.7°C)
40.8°F
(4.9°C)
3.3°F
(1.8°C)
114th Coolest
Coolest since:
1899
14th Warmest
Warmest since:
2012
Ties: 1981
Nov 2020–Aug 2021
10-Month
42.9°F
(6.1°C)
39.6°F
(4.2°C)
3.3°F
(1.9°C)
115th Coolest
Coolest since:
1899
13th Warmest
Warmest since:
2000
Ties: 1926, 2003
Oct 2020–Aug 2021
11-Month
42.6°F
(5.9°C)
40.0°F
(4.4°C)
2.6°F
(1.5°C)
114th Coolest
Coolest since:
1899
14th Warmest
Warmest since:
2000, 2016
Sep 2020–Aug 2021
12-Month
43.8°F
(6.6°C)
41.1°F
(5.1°C)
2.7°F
(1.5°C)
116th Coolest
Coolest since:
1899
12th Warmest
Warmest since:
2016
Mar 2020–Aug 2021
18-Month
46.6°F
(8.1°C)
44.6°F
(7.0°C)
2.0°F
(1.1°C)
110th Coolest
Coolest since:
1899
18th Warmest
Warmest since:
2016
Ties: 1961
Sep 2019–Aug 2021
24-Month
43.0°F
(6.1°C)
41.1°F
(5.1°C)
1.9°F
(1.0°C)
113th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2016
Ties: 1935
Sep 2018–Aug 2021
36-Month
42.1°F
(5.6°C)
41.1°F
(5.1°C)
1.0°F
(0.5°C)
93rd Coolest
Coolest since:
1899, 1952
33rd Warmest
Warmest since:
2017
Ties: 1963, 1993
Sep 2017–Aug 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:
2017, 2018
Ties: 1936, 1940, 1995
Sep 2016–Aug 2021
60-Month
42.2°F
(5.7°C)
41.1°F
(5.1°C)
1.1°F
(0.6°C)
98th Coolest
Coolest since:
1952
26th Warmest
Warmest since:
2016
Ties: 1941, 1984, 2014, 2022

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