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 May 2021. For more information, please see Climatological Rankings.


Montana

Average Temperature Rankings, May 1940

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 1940
1-Month
53.8°F
(12.1°C)
50.2°F
(10.1°C)
3.6°F
(2.0°C)
115th Coolest Coolest since: 1938 1907, 1927
13th Warmest Warmest since: 1939 1934
Apr–May 1940
2-Month
46.4°F
(8.0°C)
45.5°F
(7.5°C)
0.9°F
(0.5°C)
82nd Coolest Coolest since: 1938 1975
46th Warmest Warmest since: 1939 1934
Ties: 1928, 1943
Mar–May 1940
3-Month
41.8°F
(5.4°C)
40.1°F
(4.5°C)
1.7°F
(0.9°C)
93rd Coolest Coolest since: 1938 1899
35th Warmest Warmest since: 1939 1910
Ties: 1998
Feb–May 1940
4-Month
36.6°F
(2.6°C)
35.4°F
(1.9°C)
1.2°F
(0.7°C)
85th Coolest Coolest since: 1939 1899
43rd Warmest Warmest since: 1934 1992
Ties: 1958, 1985
Jan–May 1940
5-Month
31.4°F
(-0.3°C)
31.6°F
(-0.2°C)
-0.2°F
(-0.1°C)
58th Coolest Coolest since: 1937 1899
70th Warmest Warmest since: 1939 1992
Ties: 1930, 1993
Dec 1939–May 1940
6-Month
31.2°F
(-0.4°C)
29.9°F
(-1.2°C)
1.3°F
(0.8°C)
83rd Coolest Coolest since: 1938 1917
44th Warmest Warmest since: 1939 1992
Nov 1939–May 1940
7-Month
31.8°F
(-0.1°C)
29.8°F
(-1.2°C)
2.0°F
(1.1°C)
98th Coolest Coolest since: 1939 1899
29th Warmest Warmest since: 1934 1992
Ties: 1946, 2013
Oct 1939–May 1940
8-Month
33.2°F
(0.7°C)
31.4°F
(-0.3°C)
1.8°F
(1.0°C)
95th Coolest Coolest since: 1939 1899
32nd Warmest Warmest since: 1934 1934, 2000
Ties: 1964, 1980, 2021
Sep 1939–May 1940
9-Month
35.8°F
(2.1°C)
34.0°F
(1.1°C)
1.8°F
(1.0°C)
97th Coolest Coolest since: 1938 1899
30th Warmest Warmest since: 1939 2016
Ties: 1944, 2004
Aug 1939–May 1940
10-Month
38.6°F
(3.7°C)
36.9°F
(2.7°C)
1.7°F
(1.0°C)
95th Coolest Coolest since: 1938 1917
32nd Warmest Warmest since: 1939 1992, 2016
Ties: 1944, 1954, 1983, 1995
Jul 1939–May 1940
11-Month
41.3°F
(5.2°C)
39.5°F
(4.2°C)
1.8°F
(1.0°C)
101st Coolest Coolest since: 1939 1917
26th Warmest Warmest since: 1939 1992, 2016
Ties: 1939, 1980, 2003
Jun 1939–May 1940
12-Month
42.4°F
(5.8°C)
41.1°F
(5.1°C)
1.3°F
(0.7°C)
94th Coolest Coolest since: 1938 1917
33rd Warmest Warmest since: 1939 2016
Ties: 1900, 1921, 1954, 1963, 2002
Dec 1938–May 1940
18-Month
38.9°F
(3.8°C)
37.3°F
(2.9°C)
1.6°F
(0.9°C)
96th Coolest Coolest since: 1939 1917
30th Warmest Warmest since: 1935 2016
Ties: 1931, 1954, 1961
Jun 1938–May 1940
24-Month
42.7°F
(5.9°C)
41.2°F
(5.1°C)
1.5°F
(0.8°C)
106th Coolest Coolest since: 1939 1917
20th Warmest Warmest since: 1935 2016
Jun 1937–May 1940
36-Month
42.5°F
(5.8°C)
41.1°F
(5.1°C)
1.4°F
(0.7°C)
102nd Coolest Coolest since: 1939 1918
23rd Warmest Warmest to Date 2017
Ties: 1942, 1991
Jun 1936–May 1940
48-Month
42.0°F
(5.6°C)
41.1°F
(5.1°C)
0.9°F
(0.5°C)
92nd Coolest Coolest since: 1939 1899, 1952
32nd Warmest Warmest since: 1935 2016
Ties: 1984, 1988, 1999
Jun 1935–May 1940
60-Month
41.5°F
(5.3°C)
41.1°F
(5.1°C)
0.4°F
(0.2°C)
74th Coolest Coolest since: 1939 1952
49th Warmest Warmest since: 1938 2016
Ties: 1963, 1977

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2021, retrieved on June 18, 2021 from https://www.ncdc.noaa.gov/cag/