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


Montana

Average Temperature Rankings, May 2021

View Period (Months):All1234567891011121824364860
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 2021
1-Month
48.7°F
(9.3°C)
50.2°F
(10.1°C)
-1.5°F
(-0.8°C)
40th Coolest Coolest since: 2019 1907, 1927
88th Warmest Warmest since: 2020 1934
Ties: 1999
Apr–May 2021
2-Month
44.6°F
(7.0°C)
45.5°F
(7.5°C)
-0.9°F
(-0.5°C)
47th Coolest Coolest since: 2020 1975
81st Warmest Warmest since: 2019 1934
Ties: 1956
Mar–May 2021
3-Month
41.7°F
(5.4°C)
40.1°F
(4.5°C)
1.6°F
(0.9°C)
91st Coolest Coolest since: 2020 1899
37th Warmest Warmest since: 2017 1910
Feb–May 2021
4-Month
34.7°F
(1.5°C)
35.4°F
(1.9°C)
-0.7°F
(-0.4°C)
54th Coolest Coolest since: 2019 1899
74th Warmest Warmest since: 2020 1992
Ties: 1943
Jan–May 2021
5-Month
33.1°F
(0.6°C)
31.7°F
(-0.2°C)
1.4°F
(0.8°C)
82nd Coolest Coolest since: 2019 1899
46th Warmest Warmest since: 2020 1992
Dec 2020–May 2021
6-Month
32.3°F
(0.2°C)
29.8°F
(-1.2°C)
2.5°F
(1.4°C)
96th Coolest Coolest since: 2019 1917
31st Warmest Warmest since: 2020 1992
Nov 2020–May 2021
7-Month
32.4°F
(0.2°C)
29.8°F
(-1.2°C)
2.6°F
(1.4°C)
106th Coolest Coolest since: 2020 1899
21st Warmest Warmest since: 2016 1992
Ties: 1990
Oct 2020–May 2021
8-Month
33.3°F
(0.7°C)
31.5°F
(-0.3°C)
1.8°F
(1.0°C)
96th Coolest Coolest since: 2020 1899
31st Warmest Warmest since: 2017 1934, 2000
Ties: 1976
Sep 2020–May 2021
9-Month
35.9°F
(2.2°C)
34.0°F
(1.1°C)
1.9°F
(1.1°C)
100th Coolest Coolest since: 2020 1899
27th Warmest Warmest since: 2017 2016
Ties: 2003, 2017
Aug 2020–May 2021
10-Month
39.0°F
(3.9°C)
36.9°F
(2.7°C)
2.1°F
(1.2°C)
106th Coolest Coolest since: 2020 1917
21st Warmest Warmest since: 2016 1992, 2016
Jul 2020–May 2021
11-Month
41.5°F
(5.3°C)
39.6°F
(4.2°C)
1.9°F
(1.1°C)
106th Coolest Coolest since: 2020 1917
21st Warmest Warmest since: 2016 1992, 2016
Ties: 1964, 1990
Jun 2020–May 2021
12-Month
43.0°F
(6.1°C)
41.2°F
(5.1°C)
1.8°F
(1.0°C)
108th Coolest Coolest since: 2020 1917
19th Warmest Warmest since: 2017 2016
Ties: 1958, 2005, 2017
Dec 2019–May 2021
18-Month
39.5°F
(4.2°C)
37.4°F
(3.0°C)
2.1°F
(1.2°C)
110th Coolest Coolest since: 2020 1917
16th Warmest Warmest since: 2017 2016
Ties: 1935, 1941
Jun 2019–May 2021
24-Month
42.4°F
(5.8°C)
41.1°F
(5.1°C)
1.3°F
(0.7°C)
97th Coolest Coolest since: 2020 1917
29th Warmest Warmest since: 2018 2016
Ties: 1954, 1990, 2018
Jun 2018–May 2021
36-Month
41.8°F
(5.4°C)
41.1°F
(5.1°C)
0.7°F
(0.3°C)
85th Coolest Coolest since: 2020 1918
40th Warmest Warmest since: 2019 2017
Ties: 1926, 1933, 1955, 2019
Jun 2017–May 2021
48-Month
41.8°F
(5.4°C)
41.1°F
(5.1°C)
0.7°F
(0.3°C)
85th Coolest Coolest since: 2020 1899, 1952
39th Warmest Warmest since: 2020 2016
Ties: 1961, 2020
Jun 2016–May 2021
60-Month
42.0°F
(5.6°C)
41.0°F
(5.0°C)
1.0°F
(0.6°C)
89th Coolest Coolest since: 2011 1952
34th Warmest Warmest since: 2020 2016
Ties: 1944, 1964, 1988, 1989

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2021, retrieved on August 5, 2021 from https://www.ncdc.noaa.gov/cag/