Climate at a Glance

Statewide 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 January 2021. For more information, please see Climatological Rankings.


Montana

Average Temperature Rankings, September 2020

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 2020
1-Month
57.0°F
(13.9°C)
53.8°F
(12.1°C)
3.2°F
(1.8°C)
108th Coolest Coolest since: 2019 1965
19th Warmest Warmest since: 2015 1998
Aug–Sep 2020
2-Month
62.2°F
(16.8°C)
59.0°F
(15.0°C)
3.2°F
(1.8°C)
113th Coolest Coolest since: 2019 1965
14th Warmest Warmest since: 2013 1998
Jul–Sep 2020
3-Month
63.3°F
(17.4°C)
61.2°F
(16.2°C)
2.1°F
(1.2°C)
107th Coolest Coolest since: 2019 1912
20th Warmest Warmest since: 2017 1998
Ties: 1919
Jun–Sep 2020
4-Month
62.3°F
(16.8°C)
60.5°F
(15.8°C)
1.8°F
(1.0°C)
105th Coolest Coolest since: 2019 1993
22nd Warmest Warmest since: 2017 1936
Ties: 1937, 1963
May–Sep 2020
5-Month
59.9°F
(15.5°C)
58.4°F
(14.7°C)
1.5°F
(0.8°C)
107th Coolest Coolest since: 2019 1907
20th Warmest Warmest since: 2017 1936
Ties: 1922, 1934, 1938, 1963, 1990
Apr–Sep 2020
6-Month
56.3°F
(13.5°C)
55.4°F
(13.0°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 2019 1907
39th Warmest Warmest since: 2017 1936
Ties: 1922, 1925, 1958
Mar–Sep 2020
7-Month
52.8°F
(11.6°C)
51.8°F
(11.0°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 2019 1965
37th Warmest Warmest since: 2017 2012
Feb–Sep 2020
8-Month
49.4°F
(9.7°C)
48.0°F
(8.9°C)
1.4°F
(0.8°C)
98th Coolest Coolest since: 2019 1899
29th Warmest Warmest since: 2017 2012, 2016
Ties: 1926, 1946, 1976, 1984
Jan–Sep 2020
9-Month
46.5°F
(8.1°C)
44.5°F
(6.9°C)
2.0°F
(1.2°C)
104th Coolest Coolest since: 2019 1899
23rd Warmest Warmest since: 2017 2012
Ties: 1946, 1984, 1994
Dec 2019–Sep 2020
10-Month
44.4°F
(6.9°C)
42.1°F
(5.6°C)
2.3°F
(1.3°C)
105th Coolest Coolest since: 2019 1950
21st Warmest Warmest since: 2016 2012
Ties: 1958
Nov 2019–Sep 2020
11-Month
43.0°F
(6.1°C)
40.9°F
(4.9°C)
2.1°F
(1.2°C)
102nd Coolest Coolest since: 2019 1899
24th Warmest Warmest since: 2017 2012
Ties: 1958
Oct 2019–Sep 2020
12-Month
42.4°F
(5.8°C)
41.1°F
(5.1°C)
1.3°F
(0.7°C)
95th Coolest Coolest since: 2019 1899
31st Warmest Warmest since: 2017 2012
Ties: 1921, 1926, 1946, 1953, 1977
Apr 2019–Sep 2020
18-Month
46.8°F
(8.2°C)
45.9°F
(7.7°C)
0.9°F
(0.5°C)
87th Coolest Coolest since: 2019 1917
39th Warmest Warmest since: 2017 2016
Ties: 1964
Oct 2018–Sep 2020
24-Month
41.4°F
(5.2°C)
41.1°F
(5.1°C)
0.3°F
(0.1°C)
71st Coolest Coolest since: 2019 1917
54th Warmest Warmest since: 2018 2016
Ties: 1955, 2010
Oct 2017–Sep 2020
36-Month
41.3°F
(5.2°C)
41.1°F
(5.1°C)
0.2°F
(0.1°C)
58th Coolest Coolest since: 2011 1951
66th Warmest Warmest since: 2019 2017
Ties: 1921, 1927, 1943, 1948, 1954, 1984, 1995
Oct 2016–Sep 2020
48-Month
41.8°F
(5.4°C)
41.1°F
(5.1°C)
0.7°F
(0.3°C)
83rd Coolest Coolest since: 2011 1952
40th Warmest Warmest since: 2019 2007, 2017, 2018
Ties: 1933, 1943
Oct 2015–Sep 2020
60-Month
42.5°F
(5.8°C)
41.1°F
(5.1°C)
1.4°F
(0.7°C)
103rd Coolest Coolest since: 2014 1952
19th Warmest Warmest since: 2019 2016
Ties: 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 28, 2021 from https://www.ncdc.noaa.gov/cag/