Statewide Rankings

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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, August 2021

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 2021 1-Month	64.7°F (18.2°C)	64.1°F (17.8°C)	0.6°F (0.4°C)	69th Coolest	Coolest since: 2018	1911
	64.7°F (18.2°C)	64.1°F (17.8°C)	0.6°F (0.4°C)	60th Warmest	Warmest since: 2020	1971, 2003
	Ties: 1932
Jul–Aug 2021 2-Month	68.6°F (20.3°C)	64.9°F (18.3°C)	3.7°F (2.0°C)	123rd Coolest	Coolest since: 2020	1993
	68.6°F (20.3°C)	64.9°F (18.3°C)	3.7°F (2.0°C)	6th Warmest	Warmest since: 2017	2003
	Ties: 1998, 2017
Jun–Aug 2021 3-Month	67.5°F (19.7°C)	62.7°F (17.1°C)	4.8°F (2.6°C)	127th Coolest	Coolest since: 2020	1993
Jun–Aug 2021 3-Month	67.5°F (19.7°C)	62.7°F (17.1°C)	4.8°F (2.6°C)	2nd Warmest	Warmest since: 1936	1936
May–Aug 2021 4-Month	62.8°F (17.1°C)	59.6°F (15.3°C)	3.2°F (1.8°C)	124th Coolest	Coolest since: 2020	1907
	62.8°F (17.1°C)	59.6°F (15.3°C)	3.2°F (1.8°C)	5th Warmest	Warmest since: 2007	1936
	Ties: 2006
Apr–Aug 2021 5-Month	58.3°F (14.6°C)	55.8°F (13.2°C)	2.5°F (1.4°C)	118th Coolest	Coolest since: 2020	1907
Apr–Aug 2021 5-Month	58.3°F (14.6°C)	55.8°F (13.2°C)	2.5°F (1.4°C)	11th Warmest	Warmest since: 2017	1936, 1988
Mar–Aug 2021 6-Month	54.6°F (12.6°C)	51.4°F (10.8°C)	3.2°F (1.8°C)	122nd Coolest	Coolest since: 2020	1899
	54.6°F (12.6°C)	51.4°F (10.8°C)	3.2°F (1.8°C)	7th Warmest	Warmest since: 2017	1988
	Ties: 2015, 2017
Feb–Aug 2021 7-Month	48.8°F (9.3°C)	47.1°F (8.4°C)	1.7°F (0.9°C)	100th Coolest	Coolest since: 2020	1899
	48.8°F (9.3°C)	47.1°F (8.4°C)	1.7°F (0.9°C)	29th Warmest	Warmest since: 2017	2016
	Ties: 1940, 1999
Jan–Aug 2021 8-Month	46.0°F (7.8°C)	43.3°F (6.3°C)	2.7°F (1.5°C)	109th Coolest	Coolest since: 2020	1899
Jan–Aug 2021 8-Month	46.0°F (7.8°C)	43.3°F (6.3°C)	2.7°F (1.5°C)	20th Warmest	Warmest since: 2017	1934
Dec 2020–Aug 2021 9-Month	44.1°F (6.7°C)	40.8°F (4.9°C)	3.3°F (1.8°C)	114th Coolest	Coolest since: 2020	1899
	44.1°F (6.7°C)	40.8°F (4.9°C)	3.3°F (1.8°C)	14th Warmest	Warmest since: 2016	2012
	Ties: 1981
Nov 2020–Aug 2021 10-Month	42.9°F (6.1°C)	39.6°F (4.2°C)	3.3°F (1.9°C)	115th Coolest	Coolest since: 2020	1899
	42.9°F (6.1°C)	39.6°F (4.2°C)	3.3°F (1.9°C)	13th Warmest	Warmest since: 2016	2000
	Ties: 1926, 2003
Oct 2020–Aug 2021 11-Month	42.6°F (5.9°C)	40.0°F (4.4°C)	2.6°F (1.5°C)	114th Coolest	Coolest since: 2020	1899
Oct 2020–Aug 2021 11-Month	42.6°F (5.9°C)	40.0°F (4.4°C)	2.6°F (1.5°C)	14th Warmest	Warmest since: 2016	2000, 2016
Sep 2020–Aug 2021 12-Month	43.8°F (6.6°C)	41.1°F (5.1°C)	2.7°F (1.5°C)	116th Coolest	Coolest since: 2020	1899
Sep 2020–Aug 2021 12-Month	43.8°F (6.6°C)	41.1°F (5.1°C)	2.7°F (1.5°C)	12th Warmest	Warmest since: 2016	2016
Mar 2020–Aug 2021 18-Month	46.6°F (8.1°C)	44.6°F (7.0°C)	2.0°F (1.1°C)	110th Coolest	Coolest since: 2020	1899
	46.6°F (8.1°C)	44.6°F (7.0°C)	2.0°F (1.1°C)	18th Warmest	Warmest since: 2017	2016
	Ties: 1961
Sep 2019–Aug 2021 24-Month	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	113th Coolest	Coolest since: 2020	1917
	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	14th Warmest	Warmest since: 2017	2016
	Ties: 1935
Sep 2018–Aug 2021 36-Month	42.1°F (5.6°C)	41.1°F (5.1°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 2020	1899, 1952
	42.1°F (5.6°C)	41.1°F (5.1°C)	1.0°F (0.5°C)	33rd Warmest	Warmest since: 2018	2017
	Ties: 1963, 1993
Sep 2017–Aug 2021 48-Month	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 2020	1952
	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	37th Warmest	Warmest since: 2019	2017, 2018
	Ties: 1936, 1940, 1995
Sep 2016–Aug 2021 60-Month	42.2°F (5.7°C)	41.1°F (5.1°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 2014	1952
	42.2°F (5.7°C)	41.1°F (5.1°C)	1.1°F (0.6°C)	26th Warmest	Warmest since: 2020	2016
	Ties: 1941, 1984, 2014, 2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings