Lewiston May 21 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of May 21.
May 21 All-Time Records
1894–2024
Highest temperature 91 °F 1958
Lowest temperature 35 °F 2010
Lowest daily high 51 °F 1986
Highest daily low 65 °F 2023
Most precipitation 0.65 inches 1998
Most snow none -
May 21 Average Weather
1991–2020 1
Average high 73.3 °F
Average low 49.2 °F
Chance precipitation 34.3%
Chance snow 0%
Lewiston May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 89 65 0.06 0.0
2022 65 43 0.00 0.0
2021 60 45 0.00 0.0
2020 64 48 0.00 0.0
2019 60 51 0.00 0.0
2018 80 60 0.00 0.0
2017 82 49 0.00 0.0
2016 63 47 0.45 0.0
2015 81 56 0.00 0.0
2014 82 49 0.00 0.0
2013 78 45 0.20 0.0
2012 70 54 0.30 0.0
2011 72 54 0.02 0.0
2010 59 35 0.00 0.0
2009 74 39 0.00 0.0
2008 66 46 0.00 0.0
2007 55 46 0.24 0.0
2006 75 53 0.14 0.0
2005 67 46 0.00 n/a
2004 68 54 0.17 n/a
2003 68 50 0.00 n/a
2002 63 47 0.04 n/a
2001 76 40 0.00 n/a
2000 83 58 0.00 n/a
1999 68 44 0.00 n/a
1998 59 49 0.65 n/a
1997 71 42 0.00 n/a
1996 64 43 0.08 n/a
1995 73 52 0.00 0.0
1994 72 47 0.00 0.0
1993 71 54 0.14 0.0
1992 68 38 0.00 0.0
1991 72 48 0.00 0.0
1990 71 50 0.01 0.0
1989 73 45 0.00 0.0
1988 87 47 0.00 0.0
1987 68 37 0.00 0.0
1986 51 44 0.41 0.0
1985 84 53 0.00 0.0
1984 66 46 0.00 0.0
1983 75 55 0.00 0.0
1982 80 46 0.00 0.0
1981 58 53 0.05 0.0
1980 80 56 0.05 0.0
1979 82 48 0.00 0.0
1978 78 49 0.13 0.0
1977 74 54 0.01 0.0
1976 78 44 0.00 0.0
1975 75 39 0.00 0.0
1974 71 46 0.00 0.0
1973 76 37 0.00 0.0
1972 63 50 0.07 0.0
1971 72 35 0.00 0.0
1970 78 47 0.00 0.0
1969 77 45 0.00 0.0
1968 62 50 0.12 0.0
1967 88 53 0.00 0.0
1966 71 49 0.00 0.0
1965 67 44 0.02 0.0
1964 66 46 0.00 0.0
1963 88 52 0.00 0.0
1962 65 45 0.00 0.0
1961 68 49 0.21 0.0
1960 55 35 0.03 0.0
1959 69 49 0.00 0.0
1958 91 60 0.00 0.0
1957 61 45 0.00 0.0
1956 78 53 0.00 0.0
1955 70 41 0.00 0.0
1954 69 51 0.00 0.0
1953 59 39 0.21 0.0
1952 68 46 0.01 0.0
1951 81 42 0.00 0.0
1950 81 45 0.00 0.0
1949 68 50 0.01 0.0
1948 67 52 0.13 0.0
1947 80 55 0.00 0.0
1946 87 41 0.00 0.0
1945 70 49 0.01 0.0
1944 79 45 0.00 0.0
1943 75 45 0.09 0.0
1942 83 53 0.00 0.0
1941 75 49 0.00 0.0
1940 85 50 0.00 0.0
1939 77 49 0.00 n/a
1938 78 41 0.00 n/a
1937 73 48 0.00 n/a
1936 70 49 0.00 n/a
1935 87 40 0.00 n/a
1934 82 39 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 68 45 n/a 0.0
1899 72 58 0.00 n/a
1898 72 44 0.00 n/a
1897 75 49 0.00 n/a
1896 79 44 0.00 n/a
1895 60 47 0.30 n/a
1894 74 51 0.00 n/a
What's the all-time high for Lewiston on 5/21?
For the date of May 21, the highest temperature ever reached in Lewiston history is 91 °F which happened in 1958.
Highest Temperatures in Lewiston on May 21
Rank Temperature Year
1 91 °F 1958
2 89 °F 2023
3 88 °F 1963
3 88 °F 1967
5 87 °F 1935
5 87 °F 1946
5 87 °F 1988
8 85 °F 1940
9 84 °F 1985
10 83 °F 2000
10 83 °F 1942
What's the all-time low for Lewiston on 5/21?
For the date of May 21, the lowest temperature ever reached in Lewiston history is 35 °F which has happened 3 times, most recently in 2010.
Lowest Temperatures in Lewiston on May 21
Rank Temperature Year
1 35 °F 1960
1 35 °F 1971
1 35 °F 2010
4 37 °F 1987
4 37 °F 1973
6 38 °F 1992
7 39 °F 1953
7 39 °F 1975
7 39 °F 2009
7 39 °F 1934
Lowest High Temperatures in Lewiston on May 21
Rank Temperature Year
1 51 °F 1986
2 55 °F 1960
2 55 °F 2007
4 58 °F 1981
5 59 °F 1998
5 59 °F 2010
5 59 °F 1953
8 60 °F 1895
8 60 °F 2021
8 60 °F 2019
What's the most it has ever rained in Lewiston on 5/21?
For the date of May 21, the most precipitation ever recorded in Lewiston history is 0.65 inches which happened in 1998.
All-Time Most Precipitation in Lewiston on May 21
Rank Precipitation Year
1 0.65 inches 1998
2 0.45 inches 2016
3 0.41 inches 1986
4 0.30 inches 1895
4 0.30 inches 2012
6 0.24 inches 2007
7 0.21 inches 1953
7 0.21 inches 1961
9 0.20 inches 2013
10 0.17 inches 2004
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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