Kennewick May 20 Weather Records

Daily averages and all-time records for weather in Kennewick, Washington for the date of May 20.
May 20 All-Time Records
1894–2024
Highest temperature 98 °F 2023
Lowest temperature 34 °F 1920
Lowest daily high 56 °F 1960
Highest daily low 66 °F 1895
Most precipitation 0.50 inches 2020
May 20 Average Weather
1991–2020 1
Average high 77.4 °F
Average low 48.3 °F
Chance precipitation 22.3%
Kennewick May 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 98 62 0.00 n/a
2022 72 43 0.00 n/a
2021 68 47 0.00 n/a
2020 74 52 0.50 n/a
2019 77 49 0.00 n/a
2018 81 53 0.00 0.0
2017 78 52 0.00 0.0
2016 69 43 0.00 0.0
2015 84 50 0.00 0.0
2014 81 44 0.00 0.0
2013 81 41 0.00 0.0
2012 78 49 0.00 0.0
2011 81 47 0.00 n/a
2010 65 44 0.00 n/a
2009 70 40 0.00 n/a
2008 72 51 0.02 n/a
2007 66 48 0.08 n/a
2006 79 57 0.39 n/a
2005 70 53 0.02 n/a
2004 79 55 0.05 n/a
2003 71 41 0.00 n/a
2002 70 49 0.01 n/a
2001 72 40 0.00 n/a
2000 82 43 0.00 n/a
1999 73 40 0.00 n/a
1998 79 53 0.00 0.0
1997 87 54 0.00 0.0
1996 69 47 0.00 0.0
1995 77 47 0.00 0.0
1994 66 55 0.07 0.0
1993 90 60 0.00 0.0
1992 80 53 0.00 0.0
1991 59 48 0.00 0.0
1990 72 52 0.03 0.0
1989 68 41 0.00 0.0
1988 74 47 0.00 0.0
1987 66 45 0.00 0.0
1986 87 55 0.00 0.0
1985 86 56 0.00 0.0
1984 68 45 0.08 0.0
1983 78 47 0.00 0.0
1982 73 39 0.00 0.0
1981 75 55 0.00 0.0
1980 82 53 0.00 0.0
1979 78 45 0.00 0.0
1978 84 51 0.00 0.0
1977 76 47 0.00 0.0
1976 n/a n/a n/a n/a
1975 75 41 0.00 0.0
1974 68 36 0.00 0.0
1973 78 45 0.00 0.0
1972 80 55 0.00 0.0
1971 66 43 0.00 0.0
1970 79 49 0.00 0.0
1969 75 54 0.00 0.0
1968 78 58 0.11 0.0
1967 88 48 0.00 0.0
1966 86 51 0.00 0.0
1965 68 50 0.22 n/a
1964 80 56 0.00 0.0
1963 90 45 0.00 0.0
1962 66 47 0.42 0.0
1961 87 50 0.00 0.0
1960 56 50 0.28 0.0
1959 70 47 0.00 0.0
1958 92 52 0.00 0.0
1957 64 50 0.00 0.0
1956 85 58 0.00 0.0
1955 82 52 0.00 0.0
1954 82 56 0.00 0.0
1953 70 45 0.00 0.0
1952 72 53 0.00 0.0
1951 82 43 0.00 0.0
1950 79 42 0.00 0.0
1949 73 55 0.00 0.0
1948 71 44 0.15 0.0
1947 89 46 0.00 0.0
1946 84 48 0.00 0.0
1945 70 50 0.00 0.0
1944 76 44 0.00 0.0
1943 77 57 0.00 0.0
1942 86 59 0.00 n/a
1941 80 45 0.00 n/a
1940 84 53 0.00 n/a
1939 77 47 n/a n/a
1938 80 42 0.00 n/a
1937 73 46 n/a n/a
1936 69 46 0.00 n/a
1935 85 41 n/a n/a
1934 73 40 0.00 0.0
1933 n/a n/a 0.00 n/a
1932 65 53 0.11 n/a
1931 71 39 0.00 n/a
1930 65 54 0.19 n/a
1929 87 36 0.00 n/a
1928 93 51 0.00 n/a
1927 62 39 0.00 n/a
1926 75 n/a 0.00 n/a
1925 77 63 0.04 0.0
1924 89 53 0.00 n/a
1923 77 43 0.00 0.0
1922 67 51 0.05 0.0
1921 73 55 0.05 n/a
1920 72 34 0.00 n/a
1919 91 40 0.00 0.0
1918 67 44 0.00 0.0
1917 71 47 0.00 n/a
1916 72 49 0.00 0.0
1915 69 52 0.00 0.0
1914 81 49 0.00 0.0
1913 76 41 0.00 n/a
1912 73 56 0.02 n/a
1911 77 45 0.00 n/a
1910 74 41 0.00 0.0
1909 73 41 0.00 n/a
1908 76 49 0.03 0.0
1907 n/a n/a n/a n/a
1906 75 51 0.00 n/a
1905 67 48 0.03 0.0
1904 90 45 0.00 0.0
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 77 38 0.00 n/a
1898 78 43 0.00 n/a
1897 89 55 0.00 n/a
1896 72 46 0.00 n/a
1895 n/a 66 0.00 n/a
1894 77 52 0.00 n/a
What's the all-time high for Kennewick on 5/20?
For the date of May 20, the highest temperature ever reached in Kennewick history is 98 °F which happened in 2023.
Highest Temperatures in Kennewick on May 20
Rank Temperature Year
1 98 °F 2023
2 93 °F 1928
3 92 °F 1958
4 91 °F 1919
5 90 °F 1904
5 90 °F 1963
5 90 °F 1993
8 89 °F 1947
8 89 °F 1924
8 89 °F 1897
What's the all-time low for Kennewick on 5/20?
For the date of May 20, the lowest temperature ever reached in Kennewick history is 34 °F which happened in 1920.
Lowest Temperatures in Kennewick on May 20
Rank Temperature Year
1 34 °F 1920
2 36 °F 1929
2 36 °F 1974
4 38 °F 1899
5 39 °F 1931
5 39 °F 1982
5 39 °F 1927
8 40 °F 1919
8 40 °F 2001
8 40 °F 2009
8 40 °F 1999
8 40 °F 1934
Lowest High Temperatures in Kennewick on May 20
Rank Temperature Year
1 56 °F 1960
2 59 °F 1991
3 62 °F 1927
4 64 °F 1957
5 65 °F 1930
5 65 °F 2010
5 65 °F 1932
8 66 °F 1971
8 66 °F 1994
8 66 °F 2007
8 66 °F 1987
8 66 °F 1962
What's the most it has ever rained in Kennewick on 5/20?
For the date of May 20, the most precipitation ever recorded in Kennewick history is 0.50 inches which happened in 2020.
All-Time Most Precipitation in Kennewick on May 20
Rank Precipitation Year
1 0.50 inches 2020
2 0.42 inches 1962
3 0.39 inches 2006
4 0.28 inches 1960
5 0.22 inches 1965
6 0.19 inches 1930
7 0.15 inches 1948
8 0.11 inches 1968
8 0.11 inches 1932
10 0.08 inches 1984
10 0.08 inches 2007
Weather Station Details
Years Station Coordinates
1999–2024 Pasco Tri Cities Airport location
1894–1998 Kennewick location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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