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.

Idaho

Average Temperature Rankings, December 2020

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2020 1-Month	26.2°F (-3.2°C)	23.9°F (-4.5°C)	2.3°F (1.3°C)	95th Coolest	Coolest since: 2018	1990
December 2020 1-Month	26.2°F (-3.2°C)	23.9°F (-4.5°C)	2.3°F (1.3°C)	34th Warmest	Warmest since: 2019	1917
Nov–Dec 2020 2-Month	29.4°F (-1.4°C)	27.7°F (-2.4°C)	1.7°F (1.0°C)	88th Coolest	Coolest since: 2018	1985
	29.4°F (-1.4°C)	27.7°F (-2.4°C)	1.7°F (1.0°C)	41st Warmest	Warmest since: 2019	1917
	Ties: 1976, 1977, 1996
Oct–Dec 2020 3-Month	34.8°F (1.6°C)	33.3°F (0.7°C)	1.5°F (0.9°C)	100th Coolest	Coolest since: 2019	1985
	34.8°F (1.6°C)	33.3°F (0.7°C)	1.5°F (0.9°C)	29th Warmest	Warmest since: 2015	1917
	Ties: 1926, 1988
Sep–Dec 2020 4-Month	40.8°F (4.9°C)	38.6°F (3.7°C)	2.2°F (1.2°C)	115th Coolest	Coolest since: 2019	1985
	40.8°F (4.9°C)	38.6°F (3.7°C)	2.2°F (1.2°C)	14th Warmest	Warmest since: 2014	1917
	Ties: 1987
Aug–Dec 2020 5-Month	46.0°F (7.8°C)	43.6°F (6.4°C)	2.4°F (1.4°C)	121st Coolest	Coolest since: 2019	1985
	46.0°F (7.8°C)	43.6°F (6.4°C)	2.4°F (1.4°C)	8th Warmest	Warmest since: 2014	1917
	Ties: 1953, 2014
Jul–Dec 2020 6-Month	49.2°F (9.6°C)	47.2°F (8.4°C)	2.0°F (1.2°C)	116th Coolest	Coolest since: 2019	1985
Jul–Dec 2020 6-Month	49.2°F (9.6°C)	47.2°F (8.4°C)	2.0°F (1.2°C)	13th Warmest	Warmest since: 2014	1917
Jun–Dec 2020 7-Month	50.2°F (10.1°C)	48.6°F (9.2°C)	1.6°F (0.9°C)	112th Coolest	Coolest since: 2019	1985
	50.2°F (10.1°C)	48.6°F (9.2°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 2017	2021
	Ties: 1934
May–Dec 2020 8-Month	50.2°F (10.1°C)	48.6°F (9.2°C)	1.6°F (0.9°C)	112th Coolest	Coolest since: 2019	1916
	50.2°F (10.1°C)	48.6°F (9.2°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 2018	2021
	Ties: 1936, 1988, 2013, 2018, 2022
Apr–Dec 2020 9-Month	49.3°F (9.6°C)	47.8°F (8.8°C)	1.5°F (0.8°C)	111th Coolest	Coolest since: 2019	1916
	49.3°F (9.6°C)	47.8°F (8.8°C)	1.5°F (0.8°C)	18th Warmest	Warmest since: 2018	2021
	Ties: 1910, 1937, 2018
Mar–Dec 2020 10-Month	47.8°F (8.8°C)	46.2°F (7.9°C)	1.6°F (0.9°C)	111th Coolest	Coolest since: 2019	1916, 1985
	47.8°F (8.8°C)	46.2°F (7.9°C)	1.6°F (0.9°C)	18th Warmest	Warmest since: 2018	1934
	Ties: 1958, 1994, 2006, 2018
Feb–Dec 2020 11-Month	45.9°F (7.7°C)	44.5°F (6.9°C)	1.4°F (0.8°C)	111th Coolest	Coolest since: 2019	1985
	45.9°F (7.7°C)	44.5°F (6.9°C)	1.4°F (0.8°C)	18th Warmest	Warmest since: 2017	1934
	Ties: 1925, 1963
Jan–Dec 2020 12-Month	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	115th Coolest	Coolest since: 2019	1985
	44.3°F (6.8°C)	42.6°F (5.9°C)	1.7°F (0.9°C)	14th Warmest	Warmest since: 2018	1934
	Ties: 1981, 1994, 1998, 2017
Jul 2019–Dec 2020 18-Month	45.3°F (7.4°C)	44.1°F (6.7°C)	1.2°F (0.7°C)	103rd Coolest	Coolest since: 2019	1985
	45.3°F (7.4°C)	44.1°F (6.7°C)	1.2°F (0.7°C)	25th Warmest	Warmest since: 2018	1934
	Ties: 1939, 1941, 1953, 1958
Jan 2019–Dec 2020 24-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 2012	1985
	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 2019	2015, 2016
	Ties: 1939, 1954, 2012
Jan 2018–Dec 2020 36-Month	43.9°F (6.6°C)	42.5°F (5.8°C)	1.4°F (0.8°C)	111th Coolest	Coolest since: 2019	1913
	43.9°F (6.6°C)	42.5°F (5.8°C)	1.4°F (0.8°C)	16th Warmest	Warmest since: 2019	2016
	Ties: 1936, 1992, 2000, 2001, 2019
Jan 2017–Dec 2020 48-Month	44.0°F (6.7°C)	42.5°F (5.8°C)	1.5°F (0.9°C)	113th Coolest	Coolest since: 2013	1985
	44.0°F (6.7°C)	42.5°F (5.8°C)	1.5°F (0.9°C)	13th Warmest	Warmest since: 2019	2017
	Ties: 1941, 2001, 2005
Jan 2016–Dec 2020 60-Month	44.2°F (6.8°C)	42.5°F (5.8°C)	1.7°F (1.0°C)	117th Coolest	Coolest since: 2014	1913, 1916
	44.2°F (6.8°C)	42.5°F (5.8°C)	1.7°F (1.0°C)	8th Warmest	Warmest since: 2019	2016, 2018
	Ties: 2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings