Lewiston April 20 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of April 20.
April 20 All-Time Records
1894–2024
Highest temperature 86 °F 2016
Lowest temperature 23 °F 1951
Lowest daily high 45 °F 1967
Highest daily low 57 °F 1894
Most precipitation 0.52 inches 1996
Most snow 0.5 inches 1961
April 20 Average Weather
1991–2020 1
Average high 63.5 °F
Average low 41.2 °F
Chance precipitation 35.6%
Chance snow 0%
Lewiston April 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 74 36 0.00 0.0
2023 56 32 0.14 0.0
2022 61 36 0.00 0.0
2021 66 34 0.00 0.0
2020 74 44 0.00 0.0
2019 61 50 0.08 0.0
2018 69 38 0.00 0.0
2017 59 44 0.33 0.0
2016 86 47 0.00 0.0
2015 76 43 0.00 0.0
2014 65 42 0.00 0.0
2013 62 46 0.00 0.0
2012 66 51 0.00 0.0
2011 57 30 0.00 0.0
2010 77 50 0.00 0.0
2009 80 46 0.00 0.0
2008 47 30 0.00 0.0
2007 61 34 0.00 0.0
2006 74 44 0.00 0.0
2005 67 40 0.00 n/a
2004 58 45 0.20 n/a
2003 74 38 0.00 n/a
2002 62 34 0.00 n/a
2001 57 34 0.02 n/a
2000 69 44 0.08 n/a
1999 57 39 0.00 n/a
1998 71 37 0.00 n/a
1997 61 41 0.19 n/a
1996 50 35 0.52 n/a
1995 50 36 0.00 0.0
1994 83 52 0.00 0.0
1993 67 37 0.00 0.0
1992 69 46 0.02 0.0
1991 76 43 0.00 0.0
1990 70 56 0.10 0.0
1989 79 50 0.00 0.0
1988 61 50 0.00 0.0
1987 66 32 0.00 0.0
1986 76 44 0.00 0.0
1985 48 31 0.00 0.0
1984 57 44 0.00 0.0
1983 76 49 0.00 0.0
1982 58 28 0.00 0.0
1981 64 47 0.00 0.0
1980 74 54 0.00 0.0
1979 59 35 0.00 0.0
1978 52 43 0.11 0.0
1977 64 40 0.00 0.0
1976 61 39 0.00 0.0
1975 57 34 0.00 0.0
1974 62 45 0.00 0.0
1973 63 30 0.00 0.0
1972 63 37 0.05 0.0
1971 63 41 0.00 0.0
1970 49 37 0.10 0.0
1969 59 35 0.00 0.0
1968 48 34 0.01 0.0
1967 45 35 0.38 0.0
1966 49 36 0.11 0.0
1965 69 49 0.10 0.0
1964 68 36 0.00 0.0
1963 52 36 0.15 0.0
1962 63 44 0.00 0.0
1961 48 32 0.06 0.5
1960 60 39 0.20 0.0
1959 67 36 0.00 0.0
1958 56 41 0.18 0.0
1957 67 34 0.01 0.0
1956 81 45 0.00 0.0
1955 56 38 0.00 0.0
1954 60 39 0.00 0.0
1953 79 46 0.00 0.0
1952 61 34 0.00 0.0
1951 54 23 0.00 0.0
1950 70 42 0.00 0.0
1949 65 43 0.01 0.0
1948 74 42 0.00 0.0
1947 62 42 0.16 0.0
1946 62 40 0.07 0.0
1945 77 42 0.00 0.0
1944 63 39 0.20 0.0
1943 61 41 0.00 0.0
1942 82 42 0.00 0.0
1941 71 38 0.00 0.0
1940 68 46 0.01 0.0
1939 73 38 0.00 n/a
1938 65 34 0.00 n/a
1937 63 43 0.00 n/a
1936 76 44 0.00 n/a
1935 75 43 0.00 n/a
1934 85 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 63 44 n/a 0.0
1899 58 38 0.00 n/a
1898 66 33 0.00 n/a
1897 81 39 0.00 n/a
1896 74 35 0.00 n/a
1895 69 34 0.00 n/a
1894 82 57 0.00 n/a
What's the all-time high for Lewiston on 4/20?
For the date of Apr 20, the highest temperature ever reached in Lewiston history is 86 °F which happened in 2016.
Highest Temperatures in Lewiston on April 20
Rank Temperature Year
1 86 °F 2016
2 85 °F 1934
3 83 °F 1994
4 82 °F 1942
4 82 °F 1894
6 81 °F 1956
6 81 °F 1897
8 80 °F 2009
9 79 °F 1953
9 79 °F 1989
What's the all-time low for Lewiston on 4/20?
For the date of Apr 20, the lowest temperature ever reached in Lewiston history is 23 °F which happened in 1951.
Lowest Temperatures in Lewiston on April 20
Rank Temperature Year
1 23 °F 1951
2 28 °F 1982
3 30 °F 1973
3 30 °F 2008
3 30 °F 2011
6 31 °F 1985
7 32 °F 1961
7 32 °F 1987
7 32 °F 2023
10 33 °F 1898
Lowest High Temperatures in Lewiston on April 20
Rank Temperature Year
1 45 °F 1967
2 47 °F 2008
3 48 °F 1968
3 48 °F 1985
3 48 °F 1961
6 49 °F 1970
6 49 °F 1966
8 50 °F 1995
8 50 °F 1996
10 52 °F 1978
10 52 °F 1963
What's the most it has ever rained in Lewiston on 4/20?
For the date of Apr 20, the most precipitation ever recorded in Lewiston history is 0.52 inches which happened in 1996.
All-Time Most Precipitation in Lewiston on April 20
Rank Precipitation Year
1 0.52 inches 1996
2 0.38 inches 1967
3 0.33 inches 2017
4 0.20 inches 1960
4 0.20 inches 1944
4 0.20 inches 2004
7 0.19 inches 1997
8 0.18 inches 1958
9 0.16 inches 1947
10 0.15 inches 1963
All-Time Most Snow in Lewiston on April 20
Rank Precipitation Year
1 0.5 inches 1961
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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