Average July Temperature in Lewiston by Year

This page contains a list of the average monthly high and low temperatures in Lewiston, Idaho for the month of July each year between 1894 and 2023. It is based on NOAA data.

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What Was the Hottest July Ever in Lewiston?

2021 was the warmest July in the history of Lewiston, Idaho. The average daily high temperature was 97.6 °F, and the average low was 66.5 °F.

What Was the Coldest July Ever in Lewiston?

1993 was the coolest July in the history of Lewiston, Idaho. The average daily high temperature was 76.7 °F, and the average low was 54.1 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	10	95.4	63.0
2022	19	93.4	63.0
2021	1	97.6	66.5
2020	48	89.5	59.9
2019	50	89.0	60.0
2018	27	93.6	60.8
2017	11	95.3	62.4
2016	66	87.2	59.5
2015	14	93.2	64.2
2014	2	96.3	64.3
2013	16	95.4	61.8
2012	23	92.6	62.6
2011	86	85.6	56.1
2010	61	89.2	58.2
2009	36	91.6	61.0
2008	45	90.4	59.6
2007	3	95.8	64.8
2006	8	95.7	63.0
2005	33	92.2	61.0
2004	24	92.8	62.3
2003	12	95.3	62.3
2002	28	92.3	61.9
2001	63	87.1	60.1
2000	62	88.3	58.8
1999	80	86.9	56.8
1998	15	93.2	64.1
1997	81	85.3	58.0
1996	47	91.1	58.5
1994	20	92.8	62.7
1993	93	76.7	54.1
1992	77	85.6	59.2
1991	78	86.9	57.7
1990	26	92.0	62.8
1989	51	88.7	60.3
1988	60	89.1	58.5
1987	84	83.7	59.2
1986	91	82.6	55.2
1985	5	96.7	63.2
1984	43	91.5	58.9
1983	87	83.9	57.1
1982	74	86.8	58.5
1981	85	86.4	55.4
1980	64	88.1	58.9
1979	39	91.5	60.6
1978	55	89.0	59.2
1977	69	87.1	59.1
1976	59	88.3	59.5
1975	21	91.5	64.0
1974	58	88.4	59.5
1973	29	94.0	60.1
1972	67	88.3	58.1
1971	49	90.7	58.4
1970	38	90.7	61.4
1969	70	88.1	57.5
1968	35	92.2	60.6
1967	37	92.4	60.1
1966	71	87.6	57.9
1965	54	89.5	58.8
1964	73	86.7	58.7
1963	89	84.7	55.9
1962	79	87.3	56.9
1961	31	92.3	61.0
1960	22	95.2	60.2
1959	57	90.7	57.3
1958	42	91.4	59.6
1957	83	86.6	56.3
1956	56	90.5	57.5
1955	88	85.0	55.9
1954	82	87.6	55.6
1953	72	89.3	56.2
1952	68	89.4	56.8
1951	52	91.1	57.4
1950	76	87.7	57.2
1949	75	87.9	57.2
1948	92	83.0	54.5
1947	46	92.7	57.2
1946	44	93.2	57.2
1945	30	96.6	57.1
1944	41	93.7	57.5
1943	40	93.2	58.0
1942	25	95.1	59.9
1941	6	96.4	63.4
1940	18	94.4	62.5
1939	9	95.5	62.9
1938	4	97.6	62.5
1937	7	96.2	62.8
1936	13	96.2	61.4
1935	34	93.3	59.5
1934	32	93.4	59.9
1898	17	94.7	62.6
1897	90	87.7	51.1
1895	65	90.4	56.5
1894	53	93.6	55.0

Weather Station Details

Years	Station	Coordinates
1948–2024	Lewiston Nez Perce County Airport	location
1894–1947	Lewiston WTP	location