Lewiston August 31 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of August 31.
August 31 All-Time Records
1894–2024
Highest temperature 106 °F 2022
Lowest temperature 45 °F 2006
Lowest daily high 66 °F 1964
Highest daily low 66 °F 1967
Most precipitation 0.90 inches 1896
Most snow none -
August 31 Average Weather
1991–2020 1
Average high 85.0 °F
Average low 56.3 °F
Chance precipitation 11.6%
Chance snow 0%
Lewiston August 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 77 54 0.00 0.0
2022 106 65 0.00 0.0
2021 75 52 0.00 0.0
2020 78 61 0.00 0.0
2019 96 64 0.00 0.0
2018 79 59 0.00 0.0
2017 87 61 0.00 0.0
2016 86 55 0.00 0.0
2015 79 53 0.00 0.0
2014 78 60 0.00 0.0
2013 95 58 0.00 0.0
2012 88 53 0.00 0.0
2011 75 53 0.00 0.0
2010 72 51 0.19 0.0
2009 88 62 0.00 0.0
2008 70 53 0.00 0.0
2007 97 61 0.08 0.0
2006 76 45 0.00 0.0
2005 83 52 0.00 n/a
2004 94 62 0.00 n/a
2003 93 58 0.00 n/a
2002 87 57 0.00 n/a
2001 89 59 0.00 n/a
2000 83 52 0.07 n/a
1999 68 47 0.01 n/a
1998 99 63 0.00 n/a
1997 86 61 0.00 n/a
1996 80 57 0.00 n/a
1995 92 54 0.00 0.0
1994 89 57 0.00 0.0
1993 82 50 0.00 0.0
1992 83 55 0.00 0.0
1991 89 59 0.00 0.0
1990 83 55 0.00 0.0
1989 79 55 0.00 0.0
1988 87 51 0.00 0.0
1987 99 61 0.00 0.0
1986 71 58 0.17 0.0
1985 76 51 0.00 0.0
1984 68 57 0.52 0.0
1983 94 61 0.00 0.0
1982 81 51 0.00 0.0
1981 85 52 0.00 0.0
1980 72 53 0.11 0.0
1979 79 60 0.00 0.0
1978 74 57 0.00 0.0
1977 70 49 0.00 0.0
1976 98 62 0.00 0.0
1975 70 47 0.00 0.0
1974 95 60 0.00 0.0
1973 71 53 0.00 0.0
1972 82 48 0.00 0.0
1971 68 51 0.54 0.0
1970 92 61 0.02 0.0
1969 88 51 0.00 0.0
1968 92 55 0.00 0.0
1967 106 66 0.00 0.0
1966 77 45 0.00 0.0
1965 82 47 0.00 0.0
1964 66 47 0.00 0.0
1963 88 60 0.00 0.0
1962 88 50 0.00 0.0
1961 80 58 0.14 0.0
1960 80 50 0.00 0.0
1959 71 55 0.21 0.0
1958 88 53 0.00 0.0
1957 80 52 0.00 0.0
1956 81 46 0.00 0.0
1955 91 57 0.00 0.0
1954 77 52 0.06 0.0
1953 84 53 0.00 0.0
1952 83 51 0.00 0.0
1951 74 46 0.00 0.0
1950 94 54 0.00 0.0
1949 99 60 0.00 0.0
1948 81 52 0.00 0.0
1947 91 49 0.01 0.0
1946 86 58 0.00 0.0
1945 96 49 0.00 0.0
1944 100 54 0.00 0.0
1943 66 50 0.00 0.0
1942 85 48 0.00 0.0
1941 81 45 0.01 0.0
1940 102 60 0.00 0.0
1939 87 53 0.00 n/a
1938 99 52 0.00 n/a
1937 82 45 0.00 n/a
1936 90 58 0.00 n/a
1935 97 65 0.09 n/a
1934 92 51 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 96 60 0.00 n/a
1898 79 46 0.00 n/a
1897 75 51 0.33 n/a
1896 71 63 0.90 n/a
1895 97 55 0.00 n/a
1894 81 54 n/a n/a
What's the all-time high for Lewiston on 8/31?
For the date of Aug 31, the highest temperature ever reached in Lewiston history is 106 °F which has happened 2 times, most recently in 2022.
Highest Temperatures in Lewiston on August 31
Rank Temperature Year
1 106 °F 2022
1 106 °F 1967
3 102 °F 1940
4 100 °F 1944
5 99 °F 1987
5 99 °F 1998
5 99 °F 1949
5 99 °F 1938
9 98 °F 1976
10 97 °F 1935
10 97 °F 1895
10 97 °F 2007
What's the all-time low for Lewiston on 8/31?
For the date of Aug 31, the lowest temperature ever reached in Lewiston history is 45 °F which has happened 4 times, most recently in 2006.
Lowest Temperatures in Lewiston on August 31
Rank Temperature Year
1 45 °F 1937
1 45 °F 2006
1 45 °F 1941
1 45 °F 1966
5 46 °F 1956
5 46 °F 1898
5 46 °F 1951
8 47 °F 1999
8 47 °F 1965
8 47 °F 1964
8 47 °F 1975
Lowest High Temperatures in Lewiston on August 31
Rank Temperature Year
1 66 °F 1964
1 66 °F 1943
3 68 °F 1971
3 68 °F 1984
3 68 °F 1999
6 70 °F 2008
6 70 °F 1977
6 70 °F 1975
9 71 °F 1896
9 71 °F 1959
9 71 °F 1986
9 71 °F 1973
What's the most it has ever rained in Lewiston on 8/31?
For the date of Aug 31, the most precipitation ever recorded in Lewiston history is 0.90 inches which happened in 1896.
All-Time Most Precipitation in Lewiston on August 31
Rank Precipitation Year
1 0.90 inches 1896
2 0.54 inches 1971
3 0.52 inches 1984
4 0.33 inches 1897
5 0.21 inches 1959
6 0.19 inches 2010
7 0.17 inches 1986
8 0.14 inches 1961
9 0.11 inches 1980
10 0.09 inches 1935
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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