Average January Temperature in Boise by Year

This page contains a list of the average monthly high and low temperatures in Boise, Idaho for the month of January each year between 1911 and 2024. It is based on NOAA data.

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What Was the Hottest January Ever in Boise?

1953 was the warmest January in the history of Boise, Idaho. The average daily high temperature was 47.8 °F, and the average low was 34.2 °F.

What Was the Coldest January Ever in Boise?

1949 was the coolest January in the history of Boise, Idaho. The average daily high temperature was 20.1 °F, and the average low was 0.5 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2024	34	40.7	25.7
2023	30	40.8	26.3
2022	74	34.9	22.9
2021	10	43.6	29.2
2020	6	44.1	30.9
2019	18	43.8	26.8
2018	5	45.4	30.2
2017	102	28.4	14.3
2016	29	40.2	26.9
2015	48	37.5	25.9
2014	57	36.2	24.9
2013	106	27.2	12.0
2012	20	43.2	26.5
2011	50	38.9	24.4
2010	7	43.2	31.5
2009	53	36.8	25.7
2008	72	35.5	22.6
2007	69	37.8	20.6
2006	11	42.6	30.2
2005	40	39.0	26.5
2004	75	33.6	23.2
2003	3	44.8	32.5
2002	51	37.6	25.5
2001	81	33.5	20.8
2000	24	40.8	27.5
1999	19	42.3	28.3
1998	2	46.2	31.5
1997	47	39.3	24.9
1996	43	39.0	26.0
1995	13	43.3	29.1
1994	41	38.4	27.0
1993	90	31.4	18.1
1992	35	41.7	24.5
1991	93	33.2	15.5
1990	25	42.0	26.3
1989	91	33.4	16.0
1988	85	34.6	17.6
1987	80	36.3	19.1
1986	66	37.8	20.9
1985	108	26.9	11.3
1984	103	27.4	15.0
1983	16	43.3	28.3
1982	89	33.3	16.3
1981	28	39.6	28.2
1980	60	37.3	23.2
1979	111	25.3	7.1
1978	8	43.5	30.5
1977	109	26.1	11.9
1976	46	38.8	25.5
1975	77	36.1	20.3
1974	67	36.1	22.6
1973	56	38.2	23.2
1972	55	37.7	24.1
1971	27	39.8	28.0
1970	15	41.6	30.7
1969	23	41.3	27.3
1968	65	37.5	21.4
1967	14	42.9	29.5
1966	44	39.9	24.9
1965	26	39.1	29.1
1964	86	33.8	18.2
1963	98	32.0	14.5
1962	104	28.0	14.2
1961	39	42.5	23.3
1960	95	32.5	15.4
1959	17	42.9	28.7
1958	52	37.9	25.0
1957	101	30.0	12.9
1956	31	40.6	26.3
1955	96	30.6	16.4
1954	9	44.1	28.9
1953	1	47.8	34.2
1952	82	33.7	19.5
1951	71	35.9	22.2
1950	87	33.2	17.5
1949	113	20.1	0.5
1948	37	41.8	24.2
1947	97	32.6	13.9
1946	73	36.9	21.1
1945	45	37.9	26.4
1944	88	34.0	16.1
1943	76	35.5	20.8
1942	105	28.7	12.8
1941	32	40.2	26.3
1940	36	39.8	26.3
1939	42	40.1	24.9
1938	21	41.9	27.4
1937	112	24.4	3.6
1936	68	34.1	24.3
1935	64	37.2	22.4
1934	4	46.9	30.2
1933	62	38.2	22.3
1932	79	37.1	18.3
1931	54	41.9	20.6
1930	107	31.0	7.9
1929	92	35.1	14.0
1928	70	35.5	22.8
1927	63	37.6	22.6
1926	61	37.6	22.8
1925	59	38.3	22.7
1924	99	31.3	12.2
1923	22	42.4	26.7
1922	110	27.1	10.7
1921	38	40.1	25.7
1920	78	36.0	20.0
1919	58	40.3	20.7
1918	33	40.5	25.9
1917	100	30.8	12.4
1916	94	32.7	15.7
1914	12	43.8	28.6
1913	83	34.0	19.1
1912	84	33.7	18.8
1911	49	40.3	23.1

Weather Station Details

Years	Station	Coordinates
1940–2024		location
1911–1939	Meridian 1 W	location