Lewiston May 15 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of May 15.
May 15 All-Time Records
1894–2024
Highest temperature 98 °F 1939
Lowest temperature 35 °F 1943
Lowest daily high 49 °F 1955
Highest daily low 63 °F 2023
Most precipitation 0.65 inches 1900
Most snow none -
May 15 Average Weather
1991–2020 1
Average high 71.3 °F
Average low 47.4 °F
Chance precipitation 34.3%
Chance snow 0%
Lewiston May 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 90 63 0.00 0.0
2022 77 49 0.20 0.0
2021 86 50 0.00 0.0
2020 67 46 0.00 0.0
2019 72 53 0.00 0.0
2018 90 55 0.00 0.0
2017 65 40 0.00 0.0
2016 55 51 0.30 0.0
2015 65 52 0.09 0.0
2014 86 51 0.00 0.0
2013 72 41 0.00 0.0
2012 89 55 0.00 0.0
2011 62 49 0.48 0.0
2010 84 54 0.00 0.0
2009 69 44 0.00 0.0
2008 82 50 0.00 0.0
2007 87 45 0.00 0.0
2006 95 53 0.00 0.0
2005 72 55 0.31 n/a
2004 68 44 0.16 n/a
2003 62 41 0.00 n/a
2002 68 41 0.00 n/a
2001 66 49 0.18 n/a
2000 79 47 0.00 n/a
1999 62 40 0.00 n/a
1998 61 43 0.00 n/a
1997 83 58 0.00 n/a
1996 67 54 0.41 n/a
1995 72 49 0.00 0.0
1994 61 46 0.14 0.0
1993 82 53 0.00 0.0
1992 75 53 0.00 0.0
1991 72 42 0.00 0.0
1990 65 47 0.04 0.0
1989 77 50 0.00 0.0
1988 86 46 0.00 0.0
1987 78 59 0.06 0.0
1986 63 39 0.00 0.0
1985 78 39 0.00 0.0
1984 50 44 0.07 0.0
1983 55 40 0.16 0.0
1982 69 50 0.11 0.0
1981 59 45 0.02 0.0
1980 55 40 0.51 0.0
1979 79 51 0.00 0.0
1978 58 47 0.33 0.0
1977 60 44 0.16 0.0
1976 75 42 0.00 0.0
1975 68 57 0.00 0.0
1974 58 36 0.00 0.0
1973 94 57 0.00 0.0
1972 78 56 0.00 0.0
1971 71 44 0.54 0.0
1970 81 46 0.00 0.0
1969 72 52 0.00 0.0
1968 67 45 0.00 0.0
1967 73 49 0.00 0.0
1966 65 39 0.08 0.0
1965 76 48 0.00 0.0
1964 76 41 0.00 0.0
1963 71 46 0.00 0.0
1962 65 46 0.00 0.0
1961 70 42 0.01 0.0
1960 70 37 0.00 0.0
1959 52 43 0.47 0.0
1958 82 46 0.00 0.0
1957 69 52 0.00 0.0
1956 78 45 0.00 0.0
1955 49 39 0.17 0.0
1954 85 50 0.00 0.0
1953 75 46 0.00 0.0
1952 72 47 0.00 0.0
1951 75 42 0.00 0.0
1950 70 47 0.00 0.0
1949 75 59 0.00 0.0
1948 74 38 0.00 0.0
1947 81 42 0.00 0.0
1946 80 38 0.00 0.0
1945 71 46 0.10 0.0
1944 92 57 0.00 0.0
1943 65 35 0.04 0.0
1942 72 48 0.25 0.0
1941 67 48 0.00 0.0
1940 69 44 0.01 0.0
1939 98 52 0.00 n/a
1938 82 39 0.00 n/a
1937 74 52 0.00 n/a
1936 84 50 0.08 n/a
1935 79 46 0.00 n/a
1934 89 52 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 74 42 0.65 0.0
1899 66 48 0.00 n/a
1898 84 43 0.00 n/a
1897 94 52 0.00 n/a
1896 n/a 41 0.00 n/a
1895 84 39 0.00 n/a
1894 54 46 0.15 n/a
What's the all-time high for Lewiston on 5/15?
For the date of May 15, the highest temperature ever reached in Lewiston history is 98 °F which happened in 1939.
Highest Temperatures in Lewiston on May 15
Rank Temperature Year
1 98 °F 1939
2 95 °F 2006
3 94 °F 1973
3 94 °F 1897
5 92 °F 1944
6 90 °F 2018
6 90 °F 2023
8 89 °F 1934
8 89 °F 2012
10 87 °F 2007
What's the all-time low for Lewiston on 5/15?
For the date of May 15, the lowest temperature ever reached in Lewiston history is 35 °F which happened in 1943.
Lowest Temperatures in Lewiston on May 15
Rank Temperature Year
1 35 °F 1943
2 36 °F 1974
3 37 °F 1960
4 38 °F 1946
4 38 °F 1948
6 39 °F 1938
6 39 °F 1985
6 39 °F 1986
6 39 °F 1966
6 39 °F 1955
6 39 °F 1895
Lowest High Temperatures in Lewiston on May 15
Rank Temperature Year
1 49 °F 1955
2 50 °F 1984
3 52 °F 1959
4 54 °F 1894
5 55 °F 2016
5 55 °F 1980
5 55 °F 1983
8 58 °F 1974
8 58 °F 1978
10 59 °F 1981
What's the most it has ever rained in Lewiston on 5/15?
For the date of May 15, the most precipitation ever recorded in Lewiston history is 0.65 inches which happened in 1900.
All-Time Most Precipitation in Lewiston on May 15
Rank Precipitation Year
1 0.65 inches 1900
2 0.54 inches 1971
3 0.51 inches 1980
4 0.48 inches 2011
5 0.47 inches 1959
6 0.41 inches 1996
7 0.33 inches 1978
8 0.31 inches 2005
9 0.30 inches 2016
10 0.25 inches 1942
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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