Idaho December Temperature by Year

This page is a list of the average statewide temperature in the month of December in Idaho for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Hottest December in Idaho History?

1917 was the warmest December in Idaho history. Statewide, the average daily high temperature was 40.5 °F, and the average low was 27.7 °F.

What Was the Coldest December in Idaho History?

1990 was the coolest December in Idaho history. Statewide, the average daily high temperature was 24.1 °F, and the average low was 4.9 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	5	38.0	22.3
2022	87	30.2	15.1
2021	31	33.7	19.5
2020	35	35.2	17.3
2019	31	33.4	19.8
2018	69	32.0	16.6
2017	53	33.5	16.9
2016	113	27.6	10.7
2015	69	31.5	17.1
2014	10	36.2	22.0
2013	104	29.8	12.4
2012	42	32.6	18.9
2011	63	34.7	15.0
2010	31	33.7	19.6
2009	110	28.1	11.5
2008	89	30.9	14.2
2007	77	30.4	16.4
2006	50	34.0	16.6
2005	84	30.8	15.2
2004	15	35.8	21.2
2003	19	35.0	21.1
2002	14	35.8	21.9
2001	98	29.7	14.5
2000	71	32.1	16.3
1999	38	33.5	18.3
1998	89	30.1	15.0
1997	77	31.7	15.2
1996	50	31.9	18.8
1995	29	34.4	19.4
1994	66	31.6	17.4
1993	55	32.8	17.3
1992	108	27.8	12.6
1991	42	34.1	17.5
1990	129	24.1	4.9
1989	36	34.8	17.5
1988	101	29.5	14.3
1987	67	32.1	16.6
1986	67	33.6	15.2
1985	128	24.4	7.0
1984	117	26.7	9.4
1983	121	24.4	10.2
1982	76	30.4	16.5
1981	24	34.6	20.6
1980	10	36.8	21.4
1979	16	36.4	20.3
1978	119	26.4	9.0
1977	22	34.1	21.8
1976	59	35.9	14.1
1975	23	34.7	20.9
1974	62	32.2	17.6
1973	20	34.3	21.6
1972	115	26.1	10.6
1971	105	28.1	13.5
1970	89	29.8	15.5
1969	29	34.1	19.6
1968	82	30.3	15.9
1967	105	28.4	13.3
1966	55	31.8	18.5
1965	53	33.3	17.1
1964	59	31.8	18.3
1963	98	30.0	14.3
1962	16	36.1	20.7
1961	93	29.4	15.4
1960	81	32.2	14.3
1959	65	34.6	14.6
1958	4	37.7	23.4
1957	26	34.8	19.8
1956	59	33.3	16.6
1955	42	32.9	18.7
1954	93	31.4	13.3
1953	46	32.9	18.2
1952	47	32.2	18.6
1951	109	27.2	12.9
1950	6	36.2	23.6
1949	72	32.4	15.8
1948	122	25.3	8.5
1947	42	32.8	18.8
1946	13	36.0	21.8
1945	86	30.3	15.4
1944	97	30.6	13.8
1943	47	34.0	16.8
1942	38	32.4	19.4
1941	26	34.2	20.4
1940	24	35.8	19.3
1939	3	40.4	23.2
1938	31	34.5	18.8
1937	20	35.2	20.9
1936	37	34.0	18.0
1935	84	31.1	14.8
1934	47	32.4	18.5
1933	2	39.3	24.6
1932	124	25.8	7.2
1931	110	28.1	11.6
1930	123	25.8	7.8
1929	6	38.1	21.8
1928	112	28.5	10.3
1927	118	26.7	8.9
1926	77	30.1	16.6
1925	12	35.0	23.0
1924	127	24.4	7.5
1923	92	31.1	14.0
1922	102	28.8	13.8
1921	55	33.2	17.0
1920	50	31.6	19.1
1919	126	25.6	6.9
1918	77	31.8	15.0
1917	1	40.5	27.7
1916	114	26.4	10.9
1915	73	31.4	16.6
1914	124	26.3	6.7
1913	102	30.1	12.6
1912	82	31.4	14.9
1911	95	30.3	14.3
1910	28	33.7	20.8
1909	120	24.2	10.5
1908	87	29.8	15.6
1907	38	32.9	18.8
1906	9	35.5	23.7
1905	107	28.7	12.3
1904	55	33.7	16.5
1903	75	32.0	15.7
1902	64	32.2	17.1
1901	38	33.6	18.2
1900	18	34.6	21.9
1899	95	30.2	14.4
1898	115	26.6	10.1
1897	74	30.8	17.0
1896	8	36.4	23.0
1895	98	29.7	14.5