Average Temperature in Lewiston by Year

This page contains a list of the average yearly high and low temperatures in Lewiston, Idaho for each year between 1894 and 2023. It is based on NOAA data.
Change:
Month:
What Was the Hottest Year Ever in Lewiston?
1934 was the warmest year in the history of Lewiston, Idaho. The average daily high temperature was 70.2 °F, and the average low was 44.3 °F.
What Was the Coldest Year Ever in Lewiston?
1955 was the coolest year in the history of Lewiston, Idaho. The average daily high temperature was 60.1 °F, and the average low was 37.9 °F.
* click column headers to sort
Year Rank High (°F) Low (°F)
2023 7 66.2 45.3
2022 33 64.1 43.3
2021 4 66.8 45.1
2020 14 65.4 44.0
2019 57 62.8 42.7
2018 12 65.4 44.1
2017 51 63.3 42.6
2016 9 65.5 44.4
2015 2 67.4 45.5
2014 10 65.3 44.2
2013 36 64.5 42.7
2012 13 65.4 44.0
2011 72 62.3 41.8
2010 41 63.4 43.1
2009 62 63.1 42.0
2008 56 63.6 41.9
2007 27 64.6 43.1
2006 16 65.5 43.6
2005 31 64.4 43.0
2004 17 65.0 44.2
2003 21 65.0 43.7
2002 63 63.0 42.0
2001 43 63.7 42.7
2000 70 62.2 42.1
1999 46 63.4 42.8
1998 20 64.6 44.2
1997 53 62.7 43.2
1996 79 61.8 41.4
1995 55 62.5 43.3
1994 23 64.9 43.7
1993 87 60.8 40.9
1992 19 65.2 43.7
1991 45 63.8 42.4
1990 5 66.2 45.6
1989 28 63.7 44.0
1988 26 64.8 42.9
1987 22 65.4 43.3
1986 30 64.0 43.4
1985 92 59.6 39.0
1984 69 62.9 41.5
1983 54 63.7 42.1
1982 73 62.2 41.8
1981 38 63.9 42.9
1980 66 62.6 42.4
1979 67 62.9 42.0
1978 78 61.4 42.1
1977 48 63.2 42.9
1976 49 63.8 42.2
1975 76 61.9 41.8
1974 37 64.5 42.3
1973 32 64.9 42.4
1972 75 62.8 41.0
1971 74 62.7 41.2
1970 64 63.2 41.8
1969 80 61.9 40.9
1968 60 63.1 42.3
1967 24 65.3 43.0
1966 34 64.8 42.5
1965 61 63.6 41.5
1964 85 61.5 40.3
1963 59 63.4 41.9
1962 77 62.6 41.2
1961 52 64.0 42.0
1960 81 62.3 39.7
1959 86 61.9 39.9
1958 18 65.6 43.3
1957 84 61.6 40.2
1956 88 62.0 39.7
1955 93 60.1 37.9
1954 89 62.4 39.0
1953 39 64.8 41.9
1952 71 63.8 40.3
1951 83 62.9 39.0
1950 90 61.4 39.9
1949 82 62.5 39.4
1948 91 60.5 39.3
1947 15 67.3 42.0
1946 29 66.9 40.7
1945 40 65.9 40.8
1944 25 67.7 40.6
1943 58 65.6 39.9
1942 50 65.7 40.3
1941 11 66.3 43.2
1940 3 68.0 44.3
1939 6 68.9 42.8
1938 8 67.7 42.9
1937 44 65.7 40.5
1936 42 66.5 40.0
1935 47 66.1 40.1
1934 1 70.2 44.3
1899 35 63.9 43.2
1895 65 66.5 38.5
1894 68 64.4 40.4
Weather Station Details
Years Station Coordinates
1948–2024 Lewiston Nez Perce County Airport location
1894–1947 Lewiston WTP location