Lewiston July 20 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of July 20.
July 20 All-Time Records
1894–2024
Highest temperature 109 °F 1936
Lowest temperature 48 °F 1895
Lowest daily high 73 °F 1972
Highest daily low 73 °F 1971
Most precipitation 0.52 inches 2012
Most snow none -
July 20 Average Weather
1991–2020 1
Average high 91.4 °F
Average low 61.1 °F
Chance precipitation 12.3%
Chance snow 0%
Lewiston July 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 104 65 0.00 0.0
2022 99 60 0.00 0.0
2021 90 71 0.00 0.0
2020 97 65 0.00 0.0
2019 85 51 0.00 0.0
2018 88 57 0.00 0.0
2017 89 64 0.00 0.0
2016 90 55 0.00 0.0
2015 100 67 0.00 0.0
2014 88 72 0.00 0.0
2013 100 63 0.00 0.0
2012 92 66 0.52 0.0
2011 80 55 0.00 0.0
2010 92 56 0.00 0.0
2009 93 58 0.00 0.0
2008 98 60 0.00 0.0
2007 91 58 0.00 0.0
2006 99 61 0.00 0.0
2005 97 61 0.00 n/a
2004 89 62 0.00 n/a
2003 97 66 0.00 n/a
2002 90 59 0.00 n/a
2001 87 61 0.04 n/a
2000 96 62 0.00 n/a
1999 94 63 0.04 n/a
1998 97 59 0.00 n/a
1997 92 63 0.00 n/a
1996 81 51 0.00 n/a
1995 94 67 0.02 0.0
1994 100 62 0.00 0.0
1993 76 55 0.23 0.0
1992 88 63 0.00 0.0
1991 88 54 0.00 0.0
1990 97 63 0.00 0.0
1989 92 70 0.00 0.0
1988 103 61 0.00 0.0
1987 85 54 0.00 0.0
1986 96 60 0.00 0.0
1985 102 63 0.00 0.0
1984 87 55 0.00 0.0
1983 78 57 0.52 0.0
1982 94 63 0.00 0.0
1981 91 59 0.00 0.0
1980 92 60 0.00 0.0
1979 106 70 0.00 0.0
1978 91 55 0.00 0.0
1977 97 59 0.00 0.0
1976 85 65 0.00 0.0
1975 91 64 0.00 0.0
1974 94 63 0.00 0.0
1973 87 69 0.01 0.0
1972 73 54 0.25 0.0
1971 100 73 0.02 0.0
1970 100 66 0.00 0.0
1969 96 60 0.00 0.0
1968 78 56 0.00 0.0
1967 84 58 0.00 0.0
1966 81 59 0.00 0.0
1965 79 53 0.27 0.0
1964 91 56 0.00 0.0
1963 88 63 0.00 0.0
1962 93 57 0.00 0.0
1961 97 67 0.00 0.0
1960 97 67 0.00 0.0
1959 102 65 0.00 0.0
1958 96 63 0.00 0.0
1957 94 56 0.00 0.0
1956 97 65 0.08 0.0
1955 91 55 0.00 0.0
1954 76 58 0.00 0.0
1953 80 58 0.00 0.0
1952 87 55 0.00 0.0
1951 85 55 0.00 0.0
1950 85 52 0.00 0.0
1949 75 55 0.00 0.0
1948 83 55 0.00 0.0
1947 101 56 0.00 0.0
1946 108 56 0.00 0.0
1945 105 55 0.00 0.0
1944 97 65 0.00 0.0
1943 101 61 0.00 0.0
1942 92 58 0.00 0.0
1941 104 69 0.00 0.0
1940 98 68 0.00 0.0
1939 79 62 0.00 n/a
1938 104 62 0.00 n/a
1937 94 66 0.00 n/a
1936 109 66 0.00 n/a
1935 104 68 0.00 n/a
1934 74 66 0.00 n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 94 62 0.00 n/a
1897 87 50 0.00 n/a
1896 93 58 0.00 n/a
1895 90 48 0.00 n/a
1894 97 56 n/a n/a
What's the all-time high for Lewiston on 7/20?
For the date of Jul 20, the highest temperature ever reached in Lewiston history is 109 °F which happened in 1936.
Highest Temperatures in Lewiston on July 20
Rank Temperature Year
1 109 °F 1936
2 108 °F 1946
3 106 °F 1979
4 105 °F 1945
5 104 °F 1938
5 104 °F 1941
5 104 °F 1935
5 104 °F 2023
9 103 °F 1988
10 102 °F 1959
10 102 °F 1985
What's the all-time low for Lewiston on 7/20?
For the date of Jul 20, the lowest temperature ever reached in Lewiston history is 48 °F which happened in 1895.
Lowest Temperatures in Lewiston on July 20
Rank Temperature Year
1 48 °F 1895
2 50 °F 1897
3 51 °F 1996
3 51 °F 2019
5 52 °F 1950
6 53 °F 1965
7 54 °F 1991
7 54 °F 1972
7 54 °F 1987
10 55 °F 1993
10 55 °F 1949
10 55 °F 1945
10 55 °F 2011
10 55 °F 1955
10 55 °F 2016
10 55 °F 1978
10 55 °F 1952
10 55 °F 1948
10 55 °F 1984
10 55 °F 1951
Lowest High Temperatures in Lewiston on July 20
Rank Temperature Year
1 73 °F 1972
2 74 °F 1934
3 75 °F 1949
4 76 °F 1954
4 76 °F 1993
6 78 °F 1968
6 78 °F 1983
8 79 °F 1939
8 79 °F 1965
10 80 °F 2011
10 80 °F 1953
What's the most it has ever rained in Lewiston on 7/20?
For the date of Jul 20, the most precipitation ever recorded in Lewiston history is 0.52 inches which has happened 2 times, most recently in 2012.
All-Time Most Precipitation in Lewiston on July 20
Rank Precipitation Year
1 0.52 inches 2012
1 0.52 inches 1983
3 0.27 inches 1965
4 0.25 inches 1972
5 0.23 inches 1993
6 0.08 inches 1956
7 0.04 inches 2001
7 0.04 inches 1999
9 0.02 inches 1971
9 0.02 inches 1995
Weather Station Details
Years Station Coordinates
1948–2024 Lewiston Nez Perce County Airport location
1894–1947 Lewiston WTP location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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