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, July 1940

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1940 1-Month	68.0°F (20.0°C)	65.7°F (18.7°C)	2.3°F (1.3°C)	104th Coolest	Coolest since: 1938	1993
	68.0°F (20.0°C)	65.7°F (18.7°C)	2.3°F (1.3°C)	25th Warmest	Warmest since: 1939	1936
	Ties: 1914, 1934
Jun–Jul 1940 2-Month	64.5°F (18.1°C)	62.0°F (16.7°C)	2.5°F (1.4°C)	114th Coolest	Coolest since: 1939	1915
	64.5°F (18.1°C)	62.0°F (16.7°C)	2.5°F (1.4°C)	15th Warmest	Warmest since: 1936	2021
	Ties: 1921, 1974
May–Jul 1940 3-Month	60.9°F (16.1°C)	58.1°F (14.5°C)	2.8°F (1.6°C)	118th Coolest	Coolest since: 1939	1915
May–Jul 1940 3-Month	60.9°F (16.1°C)	58.1°F (14.5°C)	2.8°F (1.6°C)	11th Warmest	Warmest since: 1936	1936
Apr–Jul 1940 4-Month	55.4°F (13.0°C)	53.7°F (12.1°C)	1.7°F (0.9°C)	105th Coolest	Coolest since: 1939	1907
	55.4°F (13.0°C)	53.7°F (12.1°C)	1.7°F (0.9°C)	24th Warmest	Warmest since: 1937	1988
	Ties: 1925, 1937, 1994
Mar–Jul 1940 5-Month	50.9°F (10.5°C)	48.9°F (9.4°C)	2.0°F (1.1°C)	105th Coolest	Coolest since: 1939	1899
	50.9°F (10.5°C)	48.9°F (9.4°C)	2.0°F (1.1°C)	24th Warmest	Warmest since: 1936	1910
	Ties: 1941
Feb–Jul 1940 6-Month	45.9°F (7.7°C)	44.3°F (6.8°C)	1.6°F (0.9°C)	95th Coolest	Coolest since: 1939	1899
	45.9°F (7.7°C)	44.3°F (6.8°C)	1.6°F (0.9°C)	34th Warmest	Warmest since: 1934	2016
	Ties: 1999
Jan–Jul 1940 7-Month	40.9°F (4.9°C)	40.3°F (4.6°C)	0.6°F (0.3°C)	75th Coolest	Coolest since: 1938	1899
	40.9°F (4.9°C)	40.3°F (4.6°C)	0.6°F (0.3°C)	54th Warmest	Warmest since: 1939	1934
	Ties: 1928, 2009
Dec 1939–Jul 1940 8-Month	39.5°F (4.2°C)	37.9°F (3.3°C)	1.6°F (0.9°C)	90th Coolest	Coolest since: 1939	1899
Dec 1939–Jul 1940 8-Month	39.5°F (4.2°C)	37.9°F (3.3°C)	1.6°F (0.9°C)	38th Warmest	Warmest since: 1934	1992
Nov 1939–Jul 1940 9-Month	39.1°F (3.9°C)	37.0°F (2.8°C)	2.1°F (1.1°C)	106th Coolest	Coolest since: 1939	1899
	39.1°F (3.9°C)	37.0°F (2.8°C)	2.1°F (1.1°C)	22nd Warmest	Warmest since: 1934	1934
	Ties: 1958, 1990, 1999
Oct 1939–Jul 1940 10-Month	39.5°F (4.2°C)	37.6°F (3.1°C)	1.9°F (1.1°C)	104th Coolest	Coolest since: 1939	1899
	39.5°F (4.2°C)	37.6°F (3.1°C)	1.9°F (1.1°C)	24th Warmest	Warmest since: 1934	2016
	Ties: 1963, 1977, 1990
Sep 1939–Jul 1940 11-Month	41.0°F (5.0°C)	39.1°F (3.9°C)	1.9°F (1.1°C)	105th Coolest	Coolest since: 1939	1899
	41.0°F (5.0°C)	39.1°F (3.9°C)	1.9°F (1.1°C)	23rd Warmest	Warmest since: 1934	2016
	Ties: 1964, 1977
Aug 1939–Jul 1940 12-Month	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	104th Coolest	Coolest since: 1939	1899, 1917
	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	24th Warmest	Warmest since: 1934	2016
	Ties: 2004, 2013, 2022
Feb 1939–Jul 1940 18-Month	43.3°F (6.3°C)	42.2°F (5.7°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 1939	1899
	43.3°F (6.3°C)	42.2°F (5.7°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1935	2016
	Ties: 1919, 1932, 1995
Aug 1938–Jul 1940 24-Month	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	107th Coolest	Coolest since: 1939	1917
	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	20th Warmest	Warmest since: 1935	2016
	Ties: 1964, 2004
Aug 1937–Jul 1940 36-Month	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	105th Coolest	Coolest since: 1939	1899, 1952
	42.5°F (5.8°C)	41.1°F (5.1°C)	1.4°F (0.7°C)	21st Warmest	Warmest to Date	2017
	Ties: 1942, 1999
Aug 1936–Jul 1940 48-Month	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1939	1952
	41.9°F (5.5°C)	41.1°F (5.1°C)	0.8°F (0.4°C)	37th Warmest	Warmest since: 1935	2007, 2017, 2018
	Ties: 1943, 1999, 2021
Aug 1935–Jul 1940 60-Month	41.5°F (5.3°C)	41.1°F (5.1°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1939	1952
	41.5°F (5.3°C)	41.1°F (5.1°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1938	2016
	Ties: 1937, 1945

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings