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 April 2020. For more information, please see Climatological Rankings.


Montana

Average Temperature Rankings, September 1940

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1940
1-Month
59.6°F
(15.3°C)
53.8°F
(12.1°C)
5.8°F
(3.2°C)
120th Coolest Coolest since: 1939 1965
6th Warmest Warmest since: 1938 1998
Aug–Sep 1940
2-Month
62.9°F
(17.2°C)
58.9°F
(14.9°C)
4.0°F
(2.3°C)
121st Coolest Coolest since: 1939 1965
5th Warmest Warmest to Date 1998
Jul–Sep 1940
3-Month
64.6°F
(18.1°C)
61.2°F
(16.2°C)
3.4°F
(1.9°C)
119th Coolest Coolest since: 1939 1912
7th Warmest Warmest since: 1936 1998
Jun–Sep 1940
4-Month
63.7°F
(17.6°C)
60.5°F
(15.8°C)
3.2°F
(1.8°C)
123rd Coolest Coolest since: 1939 1993
3rd Warmest Warmest since: 1936 1936
Ties: 1988, 2007
May–Sep 1940
5-Month
61.7°F
(16.5°C)
58.4°F
(14.7°C)
3.3°F
(1.8°C)
123rd Coolest Coolest since: 1939 1907
3rd Warmest Warmest since: 1936 1936
Apr–Sep 1940
6-Month
57.9°F
(14.4°C)
55.5°F
(13.1°C)
2.4°F
(1.3°C)
118th Coolest Coolest since: 1939 1907
8th Warmest Warmest since: 1936 1936
Ties: 2001, 2003, 2017
Mar–Sep 1940
7-Month
54.3°F
(12.4°C)
51.7°F
(10.9°C)
2.6°F
(1.5°C)
114th Coolest Coolest since: 1939 1965
12th Warmest Warmest since: 1936 2012
Feb–Sep 1940
8-Month
50.2°F
(10.1°C)
48.0°F
(8.9°C)
2.2°F
(1.2°C)
108th Coolest Coolest since: 1939 1899
18th Warmest Warmest since: 1934 2012, 2016
Jan–Sep 1940
9-Month
45.8°F
(7.7°C)
44.5°F
(6.9°C)
1.3°F
(0.8°C)
90th Coolest Coolest since: 1939 1899
36th Warmest Warmest since: 1934 2012
Ties: 1953, 1963, 1977
Dec 1939–Sep 1940
10-Month
44.2°F
(6.8°C)
42.1°F
(5.6°C)
2.1°F
(1.2°C)
102nd Coolest Coolest since: 1939 1950
23rd Warmest Warmest since: 1934 2012
Ties: 2013
Nov 1939–Sep 1940
11-Month
43.4°F
(6.3°C)
40.9°F
(4.9°C)
2.5°F
(1.4°C)
107th Coolest Coolest since: 1939 1899
18th Warmest Warmest since: 1934 2012
Ties: 2017
Oct 1939–Sep 1940
12-Month
43.4°F
(6.3°C)
41.2°F
(5.1°C)
2.2°F
(1.2°C)
109th Coolest Coolest since: 1939 1899
16th Warmest Warmest since: 1934 2012
Ties: 1963, 1990, 2003, 2017
Apr 1939–Sep 1940
18-Month
47.9°F
(8.8°C)
45.9°F
(7.7°C)
2.0°F
(1.1°C)
110th Coolest Coolest since: 1939 1917
15th Warmest Warmest since: 1934 2016
Ties: 1998
Oct 1938–Sep 1940
24-Month
42.8°F
(6.0°C)
41.1°F
(5.1°C)
1.7°F
(0.9°C)
108th Coolest Coolest since: 1939 1917
16th Warmest Warmest since: 1935 2016
Ties: 2004, 2005, 2008, 2015
Oct 1937–Sep 1940
36-Month
42.6°F
(5.9°C)
41.1°F
(5.1°C)
1.5°F
(0.8°C)
104th Coolest Coolest since: 1939 1951
19th Warmest Warmest to Date 2017
Oct 1936–Sep 1940
48-Month
41.9°F
(5.5°C)
41.0°F
(5.0°C)
0.9°F
(0.5°C)
87th Coolest Coolest since: 1939 1952
35th Warmest Warmest since: 1936 2007, 2017, 2018
Ties: 1936, 1963, 1995, 1999
Oct 1935–Sep 1940
60-Month
41.6°F
(5.3°C)
41.0°F
(5.0°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 1939 1952
43rd Warmest Warmest since: 1938 2016
Ties: 1963, 1985, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2020, retrieved on June 2, 2020 from https://www.ncdc.noaa.gov/cag/