Idaho May Temperature by Year

This page is a list of the average statewide temperature in the month of May 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 May in Idaho History?

1897 was the warmest May in Idaho history. Statewide, the average daily high temperature was 70.2 °F, and the average low was 42.0 °F.

What Was the Coldest May in Idaho History?

1896 was the coolest May in Idaho history. Statewide, the average daily high temperature was 54.3 °F, and the average low was 33.1 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	5	67.4	41.3
2022	114	57.6	34.6
2021	56	63.0	36.7
2020	41	63.5	37.8
2019	56	61.7	37.8
2018	7	66.5	41.4
2017	41	64.1	37.0
2016	41	63.0	38.2
2015	25	63.8	39.8
2014	27	65.2	37.8
2013	37	64.4	37.6
2012	71	62.2	35.8
2011	119	57.2	34.4
2010	127	55.3	32.9
2009	40	64.7	37.0
2008	74	61.7	36.1
2007	24	66.3	37.6
2006	25	66.0	37.6
2005	53	61.6	38.2
2004	74	60.6	37.2
2003	53	62.8	37.0
2002	77	61.8	35.7
2001	17	67.5	37.8
2000	48	62.5	38.1
1999	106	59.1	34.1
1998	71	60.6	37.4
1997	22	66.2	38.5
1996	108	57.3	35.7
1995	82	59.7	37.0
1994	16	65.7	39.7
1993	9	67.1	40.5
1992	4	70.2	40.3
1991	108	57.5	35.5
1990	97	59.2	35.4
1989	81	61.2	35.8
1988	60	62.9	36.5
1987	13	65.9	40.4
1986	56	63.0	36.7
1985	32	64.9	37.8
1984	91	59.3	36.1
1983	84	60.7	35.6
1982	100	60.0	34.1
1981	86	58.7	37.6
1980	66	59.7	38.7
1979	52	63.2	36.7
1978	111	57.2	35.5
1977	120	56.0	35.3
1976	34	65.3	36.9
1975	121	57.2	33.9
1974	103	59.3	34.4
1973	46	65.0	35.7
1972	51	64.1	36.1
1971	56	62.4	37.1
1970	76	62.0	35.7
1969	14	67.5	38.2
1968	91	60.3	35.0
1967	82	61.4	35.2
1966	18	68.2	36.8
1965	108	58.6	34.3
1964	91	60.2	35.3
1963	34	63.6	38.6
1962	94	58.3	36.9
1961	53	62.9	36.9
1960	94	60.2	35.0
1959	123	56.8	33.6
1958	2	71.1	40.4
1957	38	61.8	40.0
1956	27	63.8	39.3
1955	103	59.1	34.4
1954	31	66.2	36.8
1953	124	56.7	33.1
1952	41	63.5	37.7
1951	60	62.2	37.2
1950	114	59.6	32.6
1949	21	65.4	39.4
1948	66	61.6	36.7
1947	10	67.5	39.3
1946	69	62.3	35.9
1945	65	61.6	36.9
1944	49	63.6	36.9
1943	106	58.7	34.5
1942	118	56.7	35.1
1941	38	63.1	38.7
1940	10	68.7	38.0
1939	18	66.9	38.2
1938	87	60.0	36.1
1937	27	66.6	36.6
1936	7	68.8	39.2
1935	98	59.8	34.4
1934	3	71.0	40.1
1933	126	56.2	33.4
1932	63	61.2	37.7
1931	33	66.2	36.3
1930	87	60.1	35.8
1929	84	62.2	34.2
1928	5	69.1	39.6
1927	114	56.4	35.8
1926	46	63.4	37.3
1925	18	65.9	39.1
1924	12	69.5	37.2
1923	71	60.7	37.2
1922	89	60.6	35.0
1921	62	61.2	37.8
1920	101	59.5	34.3
1919	45	65.0	36.1
1918	103	59.9	33.6
1917	114	57.0	35.2
1916	127	56.3	31.8
1915	96	57.5	37.3
1914	23	66.2	38.0
1913	49	62.6	37.8
1912	89	59.9	35.7
1911	111	57.8	34.7
1910	34	65.0	37.2
1909	113	58.7	33.6
1908	122	55.7	35.1
1907	77	62.0	35.4
1906	79	60.4	36.9
1905	101	58.3	35.5
1904	69	61.9	36.3
1903	98	60.0	34.1
1902	64	61.8	37.1
1901	14	65.8	40.0
1900	27	65.3	37.9
1899	124	56.4	33.5
1898	66	62.9	35.4
1897	1	70.2	42.0
1896	129	54.3	33.1
1895	79	61.7	35.6