Kennewick May 15 Weather Records

Daily averages and all-time records for weather in Kennewick, Washington for the date of May 15.
May 15 All-Time Records
1894–2024
Highest temperature 97 °F 1939
Lowest temperature 33 °F 2017
Lowest daily high 54 °F 1959
Highest daily low 64 °F 1921
Most precipitation 0.49 inches 2005
May 15 Average Weather
1991–2020 1
Average high 75.9 °F
Average low 46.8 °F
Chance precipitation 22.6%
Kennewick May 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 91 61 0.00 n/a
2022 79 52 0.00 n/a
2021 89 50 0.00 n/a
2020 75 52 0.00 n/a
2019 72 43 0.07 n/a
2018 92 49 0.00 0.0
2017 69 33 0.00 0.0
2016 62 54 0.36 0.0
2015 77 45 0.00 0.0
2014 91 47 0.00 0.0
2013 72 40 0.00 0.0
2012 94 45 0.00 0.0
2011 64 51 0.44 n/a
2010 87 46 0.00 n/a
2009 73 34 0.00 n/a
2008 86 46 0.00 n/a
2007 87 42 0.00 n/a
2006 93 47 0.00 n/a
2005 74 58 0.49 n/a
2004 70 42 0.10 n/a
2003 68 41 0.00 n/a
2002 71 43 0.00 n/a
2001 70 53 0.00 n/a
2000 81 42 0.00 n/a
1999 69 43 0.00 n/a
1998 62 47 0.02 0.0
1997 91 58 0.00 0.0
1996 76 56 0.15 0.0
1995 80 48 0.00 0.0
1994 71 51 0.23 0.0
1993 85 52 0.00 0.0
1992 83 50 0.00 0.0
1991 74 44 0.00 0.0
1990 66 48 0.00 0.0
1989 76 48 0.00 0.0
1988 73 49 0.00 0.0
1987 78 56 0.00 0.0
1986 66 39 0.00 0.0
1985 69 43 0.00 0.0
1984 65 46 0.00 0.0
1983 70 45 0.02 0.0
1982 79 41 0.00 0.0
1981 61 44 0.30 0.0
1980 65 48 0.06 0.0
1979 87 52 0.00 0.0
1978 62 48 0.31 0.0
1977 65 44 0.03 0.0
1976 n/a n/a n/a n/a
1975 83 50 0.00 0.0
1974 62 39 0.00 0.0
1973 93 55 0.00 0.0
1972 82 55 0.00 0.0
1971 70 48 0.07 0.0
1970 86 41 0.00 0.0
1969 74 49 0.00 0.0
1968 73 48 0.00 0.0
1967 79 51 0.00 0.0
1966 63 46 0.00 0.0
1965 72 55 0.00 n/a
1964 77 39 0.00 0.0
1963 74 55 0.00 0.0
1962 70 48 0.00 0.0
1961 74 51 0.02 0.0
1960 72 39 0.00 0.0
1959 54 48 0.11 0.0
1958 84 43 0.00 0.0
1957 72 55 0.06 0.0
1956 82 46 0.00 0.0
1955 60 47 0.18 0.0
1954 85 46 0.00 0.0
1953 77 48 0.00 0.0
1952 77 50 0.00 0.0
1951 80 43 0.00 0.0
1950 78 41 0.00 0.0
1949 80 62 0.01 0.0
1948 74 38 0.00 0.0
1947 81 42 0.00 0.0
1946 76 38 0.00 0.0
1945 70 48 0.00 0.0
1944 88 55 0.00 0.0
1943 65 39 0.05 0.0
1942 71 51 0.00 n/a
1941 74 47 0.00 n/a
1940 77 46 0.00 n/a
1939 97 53 n/a n/a
1938 82 40 0.00 n/a
1937 71 39 n/a n/a
1936 70 52 0.00 n/a
1935 75 52 0.00 n/a
1934 89 55 0.00 0.0
1933 n/a n/a 0.00 n/a
1932 72 39 0.00 n/a
1931 87 53 0.00 n/a
1930 79 53 0.00 n/a
1929 75 40 0.00 n/a
1928 82 50 0.00 n/a
1927 84 52 0.00 n/a
1926 n/a 42 0.00 n/a
1925 85 50 0.00 0.0
1924 95 59 0.00 n/a
1923 73 54 0.00 0.0
1922 88 43 0.00 0.0
1921 80 64 0.02 n/a
1920 80 36 0.00 n/a
1919 73 53 0.00 0.0
1918 63 43 0.00 0.0
1917 67 46 0.13 n/a
1916 78 40 0.00 0.0
1915 67 44 0.00 0.0
1914 79 55 0.13 0.0
1913 73 49 0.00 n/a
1912 90 57 0.00 n/a
1911 80 50 0.20 n/a
1910 76 37 0.00 0.0
1909 70 46 0.10 n/a
1908 60 41 0.00 0.0
1907 n/a n/a n/a n/a
1906 66 48 0.01 n/a
1905 77 36 0.00 0.0
1904 75 44 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 74 38 0.00 n/a
1898 85 55 0.00 n/a
1897 91 51 0.00 n/a
1896 70 39 0.00 n/a
1895 85 57 0.00 n/a
1894 63 48 0.07 n/a
What's the all-time high for Kennewick on 5/15?
For the date of May 15, the highest temperature ever reached in Kennewick history is 97 °F which happened in 1939.
Highest Temperatures in Kennewick on May 15
Rank Temperature Year
1 97 °F 1939
2 95 °F 1924
3 94 °F 2012
4 93 °F 1973
4 93 °F 2006
6 92 °F 2018
7 91 °F 1897
7 91 °F 2023
7 91 °F 1997
7 91 °F 2014
What's the all-time low for Kennewick on 5/15?
For the date of May 15, the lowest temperature ever reached in Kennewick history is 33 °F which happened in 2017.
Lowest Temperatures in Kennewick on May 15
Rank Temperature Year
1 33 °F 2017
2 34 °F 2009
3 36 °F 1920
3 36 °F 1905
5 37 °F 1910
6 38 °F 1946
6 38 °F 1899
6 38 °F 1948
9 39 °F 1896
9 39 °F 1937
9 39 °F 1960
9 39 °F 1986
9 39 °F 1932
9 39 °F 1964
9 39 °F 1943
9 39 °F 1974
Lowest High Temperatures in Kennewick on May 15
Rank Temperature Year
1 54 °F 1959
2 60 °F 1908
2 60 °F 1955
4 61 °F 1981
5 62 °F 2016
5 62 °F 1978
5 62 °F 1998
5 62 °F 1974
9 63 °F 1966
9 63 °F 1894
9 63 °F 1918
What's the most it has ever rained in Kennewick on 5/15?
For the date of May 15, the most precipitation ever recorded in Kennewick history is 0.49 inches which happened in 2005.
All-Time Most Precipitation in Kennewick on May 15
Rank Precipitation Year
1 0.49 inches 2005
2 0.44 inches 2011
3 0.36 inches 2016
4 0.31 inches 1978
5 0.30 inches 1981
6 0.23 inches 1994
7 0.20 inches 1911
8 0.18 inches 1955
9 0.15 inches 1996
10 0.13 inches 1917
10 0.13 inches 1914
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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