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


Montana

Average Temperature Rankings, September 1999

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1999
1-Month
51.6°F
(10.9°C)
53.8°F
(12.1°C)
-2.2°F
(-1.2°C)
24th Coolest Coolest since: 1993 1965
102nd Warmest Warmest since: 1998 1998
Ties: 1993
Aug–Sep 1999
2-Month
59.0°F
(15.0°C)
58.9°F
(14.9°C)
0.1°F
(0.1°C)
60th Coolest Coolest since: 1993 1965
66th Warmest Warmest since: 1998 1998
Ties: 1923, 1957, 1960
Jul–Sep 1999
3-Month
60.7°F
(15.9°C)
61.2°F
(16.2°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1993 1912
86th Warmest Warmest since: 1998 1998
Ties: 1901, 1941, 1956, 1975, 2010
Jun–Sep 1999
4-Month
59.8°F
(15.4°C)
60.5°F
(15.8°C)
-0.7°F
(-0.4°C)
34th Coolest Coolest since: 1993 1993
92nd Warmest Warmest since: 1998 1936
Ties: 1908, 1943
May–Sep 1999
5-Month
57.5°F
(14.2°C)
58.4°F
(14.7°C)
-0.9°F
(-0.5°C)
27th Coolest Coolest since: 1993 1907
99th Warmest Warmest since: 1998 1936
Ties: 1954, 1964, 1974
Apr–Sep 1999
6-Month
54.6°F
(12.6°C)
55.4°F
(13.0°C)
-0.8°F
(-0.4°C)
27th Coolest Coolest since: 1995 1907
99th Warmest Warmest since: 1998 1936
Ties: 1929, 1935, 1959, 1964, 1972, 1995, 2010
Mar–Sep 1999
7-Month
51.8°F
(11.0°C)
51.7°F
(10.9°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1996 1965
67th Warmest Warmest since: 1998 2012
Ties: 1989
Feb–Sep 1999
8-Month
49.1°F
(9.5°C)
47.9°F
(8.8°C)
1.2°F
(0.7°C)
91st Coolest Coolest since: 1997 1899
35th Warmest Warmest since: 1998 2012, 2016
Ties: 1997, 2004
Jan–Sep 1999
9-Month
46.1°F
(7.8°C)
44.4°F
(6.9°C)
1.7°F
(0.9°C)
94th Coolest Coolest since: 1997 1899
32nd Warmest Warmest since: 1998 2012
Ties: 1921, 1941
Dec 1998–Sep 1999
10-Month
43.6°F
(6.4°C)
42.0°F
(5.6°C)
1.6°F
(0.8°C)
91st Coolest Coolest since: 1997 1950
34th Warmest Warmest since: 1998 2012
Ties: 1946, 1953
Nov 1998–Sep 1999
11-Month
42.7°F
(5.9°C)
41.0°F
(5.0°C)
1.7°F
(0.9°C)
98th Coolest Coolest since: 1997 1899
27th Warmest Warmest since: 1998 2012
Ties: 1994
Oct 1998–Sep 1999
12-Month
42.8°F
(6.0°C)
41.1°F
(5.1°C)
1.7°F
(0.9°C)
101st Coolest Coolest since: 1997 1899
24th Warmest Warmest since: 1998 2012
Ties: 1958, 1994
Apr 1998–Sep 1999
18-Month
48.0°F
(8.9°C)
46.0°F
(7.8°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1998 1917
13th Warmest Warmest since: 1992 2016
Ties: 2017
Oct 1997–Sep 1999
24-Month
43.4°F
(6.3°C)
41.2°F
(5.1°C)
2.2°F
(1.2°C)
115th Coolest Coolest since: 1998 1917
9th Warmest Warmest since: 1988 2016
Oct 1996–Sep 1999
36-Month
42.4°F
(5.8°C)
41.1°F
(5.1°C)
1.3°F
(0.7°C)
101st Coolest Coolest since: 1998 1951
22nd Warmest Warmest since: 1992 2017
Ties: 1935, 1942, 2003
Oct 1995–Sep 1999
48-Month
41.9°F
(5.5°C)
41.1°F
(5.1°C)
0.8°F
(0.4°C)
87th Coolest Coolest since: 1998 1952
35th Warmest Warmest since: 1995 2007, 2017, 2018
Ties: 1936, 1940, 1963, 1995
Oct 1994–Sep 1999
60-Month
41.9°F
(5.5°C)
41.1°F
(5.1°C)
0.8°F
(0.4°C)
88th Coolest Coolest since: 1998 1952
33rd Warmest Warmest since: 1998 2016
Ties: 1943, 1964, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2020, retrieved on March 28, 2020 from https://www.ncdc.noaa.gov/cag/