Climate at a Glance

City 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 September 2021. For more information, please see Climatological Rankings.


Great Falls, Montana

Average Temperature Rankings, May 1991

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 1991
1-Month
50.0°F
(10.0°C)
51.4°F
(10.8°C)
-1.4°F
(-0.8°C)
43rd Coolest Coolest since: 1990 1927
85th Warmest Warmest since: 1988 1936
Ties: 1920
Apr–May 1991
2-Month
45.9°F
(7.7°C)
47.0°F
(8.3°C)
-1.1°F
(-0.6°C)
42nd Coolest Coolest since: 1990 1975
86th Warmest Warmest since: 1989 1934
Ties: 1916, 1961, 1989
Mar–May 1991
3-Month
41.9°F
(5.5°C)
42.7°F
(5.9°C)
-0.8°F
(-0.4°C)
57th Coolest Coolest since: 1989 1975, 2002
71st Warmest Warmest since: 1990 1910
Ties: 1902, 1968
Feb–May 1991
4-Month
40.9°F
(4.9°C)
38.8°F
(3.8°C)
2.1°F
(1.1°C)
110th Coolest Coolest since: 1990 1899
18th Warmest Warmest since: 1988 1987
Ties: 1998, 2004
Jan–May 1991
5-Month
36.3°F
(2.4°C)
36.0°F
(2.2°C)
0.3°F
(0.2°C)
92nd Coolest Coolest since: 1990 1899
36th Warmest Warmest since: 1990 1934
Ties: 1973, 1990
Dec 1990–May 1991
6-Month
33.0°F
(0.6°C)
34.1°F
(1.2°C)
-1.1°F
(-0.6°C)
70th Coolest Coolest since: 1989 1969
57th Warmest Warmest since: 1990 1992
Ties: 1968
Nov 1990–May 1991
7-Month
33.5°F
(0.8°C)
34.0°F
(1.1°C)
-0.5°F
(-0.3°C)
77th Coolest Coolest since: 1989 1979
50th Warmest Warmest since: 1990 1992
Ties: 1925
Oct 1990–May 1991
8-Month
34.9°F
(1.6°C)
35.3°F
(1.8°C)
-0.4°F
(-0.2°C)
74th Coolest Coolest since: 1989 1899
52nd Warmest Warmest since: 1990 1987
Ties: 1945, 2020
Sep 1990–May 1991
9-Month
37.8°F
(3.2°C)
37.6°F
(3.1°C)
0.2°F
(0.1°C)
85th Coolest Coolest since: 1989 1899
41st Warmest Warmest since: 1990 1987, 1992
Ties: 1914, 2017
Aug 1990–May 1991
10-Month
40.7°F
(4.8°C)
40.4°F
(4.7°C)
0.3°F
(0.1°C)
91st Coolest Coolest since: 1990 1899
35th Warmest Warmest since: 1988 1992
Ties: 1902, 1976
Jul 1990–May 1991
11-Month
43.1°F
(6.2°C)
42.9°F
(6.1°C)
0.2°F
(0.1°C)
89th Coolest Coolest since: 1989 1899
37th Warmest Warmest since: 1990 1992
Ties: 1902, 1953, 1954, 1983, 2002
Jun 1990–May 1991
12-Month
44.4°F
(6.9°C)
44.3°F
(6.8°C)
0.1°F
(0.1°C)
86th Coolest Coolest since: 1989 1899
40th Warmest Warmest since: 1990 1934
Ties: 1914, 1932, 1953, 1995, 2005
Dec 1989–May 1991
18-Month
41.1°F
(5.1°C)
40.9°F
(4.9°C)
0.2°F
(0.2°C)
92nd Coolest Coolest since: 1990 1979
33rd Warmest Warmest since: 1988 2016
Ties: 1984, 2012
Jun 1989–May 1991
24-Month
44.4°F
(6.9°C)
44.2°F
(6.8°C)
0.2°F
(0.1°C)
91st Coolest Coolest since: 1990 1979
33rd Warmest Warmest since: 1989 2016
Ties: 1993
Jun 1988–May 1991
36-Month
44.2°F
(6.8°C)
44.3°F
(6.8°C)
-0.1°F
(0.0°C)
90th Coolest Coolest since: 1987 1952
32nd Warmest Warmest since: 1990 2017
Ties: 1977, 1999, 2003
Jun 1987–May 1991
48-Month
44.5°F
(6.9°C)
44.1°F
(6.7°C)
0.4°F
(0.2°C)
95th Coolest Coolest since: 1988 1952
25th Warmest Warmest since: 1990 2016
Ties: 1933
Jun 1986–May 1991
60-Month
45.1°F
(7.3°C)
44.2°F
(6.8°C)
0.9°F
(0.5°C)
110th Coolest Coolest since: 1990 1952
8th Warmest Warmest since: 1935 2016
Ties: 2002

Citing This Page

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