Statewide Rankings

Parameter:

Year:

Month:

State:

Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Montana

Average Temperature Rankings, September 2018

View Period (Months):

All

Download:

Record Coolest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2018 1-Month	53.0°F (11.7°C)	53.8°F (12.1°C)	-0.8°F (-0.4°C)	39th Coolest	Coolest since: 1999	1965
	53.0°F (11.7°C)	53.8°F (12.1°C)	-0.8°F (-0.4°C)	90th Warmest	Warmest since: 2017	1998
	Ties: 1946, 1973
Aug–Sep 2018 2-Month	58.8°F (14.9°C)	59.0°F (15.0°C)	-0.2°F (-0.1°C)	54th Coolest	Coolest since: 2004	1965
	58.8°F (14.9°C)	59.0°F (15.0°C)	-0.2°F (-0.1°C)	75th Warmest	Warmest since: 2017	2022
	Ties: 1908, 1942, 1970
Jul–Sep 2018 3-Month	61.4°F (16.3°C)	61.2°F (16.2°C)	0.2°F (0.1°C)	56th Coolest	Coolest since: 2010	1912
	61.4°F (16.3°C)	61.2°F (16.2°C)	0.2°F (0.1°C)	73rd Warmest	Warmest since: 2017	2022
	Ties: 1908, 1955, 1971, 1984
Jun–Sep 2018 4-Month	60.9°F (16.1°C)	60.5°F (15.8°C)	0.4°F (0.3°C)	77th Coolest	Coolest since: 2010	1993
	60.9°F (16.1°C)	60.5°F (15.8°C)	0.4°F (0.3°C)	52nd Warmest	Warmest since: 2017	2021
	Ties: 1909, 1918, 1948, 1952, 1956, 1973, 1976
May–Sep 2018 5-Month	59.8°F (15.4°C)	58.4°F (14.7°C)	1.4°F (0.7°C)	101st Coolest	Coolest since: 2016	1907
	59.8°F (15.4°C)	58.4°F (14.7°C)	1.4°F (0.7°C)	28th Warmest	Warmest since: 2017	1936
	Ties: 1930, 1997, 2000
Apr–Sep 2018 6-Month	56.2°F (13.4°C)	55.5°F (13.1°C)	0.7°F (0.3°C)	84th Coolest	Coolest since: 2014	1907
	56.2°F (13.4°C)	55.5°F (13.1°C)	0.7°F (0.3°C)	45th Warmest	Warmest since: 2017	1936
	Ties: 1977
Mar–Sep 2018 7-Month	52.2°F (11.2°C)	51.7°F (10.9°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 2014	1965
	52.2°F (11.2°C)	51.7°F (10.9°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 2017	2012
	Ties: 1983, 2014
Feb–Sep 2018 8-Month	47.1°F (8.4°C)	47.9°F (8.8°C)	-0.8°F (-0.4°C)	32nd Coolest	Coolest since: 1993	1899
	47.1°F (8.4°C)	47.9°F (8.8°C)	-0.8°F (-0.4°C)	97th Warmest	Warmest since: 2017	2012, 2016
	Ties: 1897, 1942
Jan–Sep 2018 9-Month	44.3°F (6.8°C)	44.5°F (6.9°C)	-0.2°F (-0.1°C)	55th Coolest	Coolest since: 2011	1899
	44.3°F (6.8°C)	44.5°F (6.9°C)	-0.2°F (-0.1°C)	74th Warmest	Warmest since: 2017	2012
	Ties: 1901, 1923, 1932, 1944, 1970, 1971
Dec 2017–Sep 2018 10-Month	42.0°F (5.6°C)	42.1°F (5.6°C)	-0.1°F (0.0°C)	56th Coolest	Coolest since: 2011	1950
	42.0°F (5.6°C)	42.1°F (5.6°C)	-0.1°F (0.0°C)	72nd Warmest	Warmest since: 2017	2012
	Ties: 1933, 1942, 1964
Nov 2017–Sep 2018 11-Month	40.9°F (4.9°C)	40.9°F (4.9°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 2011	1899
	40.9°F (4.9°C)	40.9°F (4.9°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 2017	2012
	Ties: 1955
Oct 2017–Sep 2018 12-Month	41.1°F (5.1°C)	41.2°F (5.1°C)	-0.1°F (0.0°C)	59th Coolest	Coolest since: 2014	1899
	41.1°F (5.1°C)	41.2°F (5.1°C)	-0.1°F (0.0°C)	69th Warmest	Warmest since: 2017	2012
	Ties: 1970
Apr 2017–Sep 2018 18-Month	46.7°F (8.2°C)	45.9°F (7.7°C)	0.8°F (0.5°C)	85th Coolest	Coolest since: 2014	1917
Apr 2017–Sep 2018 18-Month	46.7°F (8.2°C)	45.9°F (7.7°C)	0.8°F (0.5°C)	43rd Warmest	Warmest since: 2017	2016
Oct 2016–Sep 2018 24-Month	42.3°F (5.7°C)	41.2°F (5.1°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 2014	1917
	42.3°F (5.7°C)	41.2°F (5.1°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 2017	2016
	Ties: 1990, 1995
Oct 2015–Sep 2018 36-Month	43.2°F (6.2°C)	41.2°F (5.1°C)	2.0°F (1.1°C)	116th Coolest	Coolest since: 2015	1951
	43.2°F (6.2°C)	41.2°F (5.1°C)	2.0°F (1.1°C)	10th Warmest	Warmest since: 2017	2017
	Ties: 1989
Oct 2014–Sep 2018 48-Month	43.5°F (6.4°C)	41.1°F (5.1°C)	2.4°F (1.3°C)	124th Coolest	Coolest since: 2017	1952
	43.5°F (6.4°C)	41.1°F (5.1°C)	2.4°F (1.3°C)	1st Warmest	Warmest since: 2017	2007, 2017, 2018
	Ties: 2007, 2017
Oct 2013–Sep 2018 60-Month	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	115th Coolest	Coolest since: 2015	1952
	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	9th Warmest	Warmest since: 2017	2016
	Ties: 1992, 2003

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings