San Luis Obispo May 9 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of May 9.
May 9 All-Time Records
1893–2024
Highest temperature 95 °F 1984
Lowest temperature 36 °F 1933
Lowest daily high 54 °F 1980
Highest daily low 61 °F 1940
Most precipitation 1.23 inches 1977
May 9 Average Weather
1991–2020 1
Average high 72.4 °F
Average low 48.4 °F
Chance precipitation 10.8%
San Luis Obispo May 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 65 51 0.00 n/a
2022 63 48 0.00 n/a
2021 78 47 0.00 n/a
2020 74 50 0.00 0.0
2019 62 55 0.00 0.0
2018 74 50 0.00 0.0
2017 66 51 0.00 0.0
2016 72 56 0.00 0.0
2015 67 52 0.00 0.0
2014 71 53 0.00 0.0
2013 69 53 0.00 0.0
2012 73 46 0.00 0.0
2011 63 45 0.00 n/a
2010 63 49 0.00 n/a
2009 81 50 0.00 n/a
2008 68 46 0.00 n/a
2007 77 44 0.00 n/a
2006 71 46 0.00 n/a
2005 67 50 0.21 n/a
2004 73 52 0.00 n/a
2003 64 37 0.00 n/a
2002 70 43 0.00 n/a
2001 79 48 0.00 n/a
2000 71 52 0.00 n/a
1999 67 38 0.00 n/a
1998 63 52 0.00 0.0
1997 76 45 0.00 0.0
1996 72 45 0.00 0.0
1995 64 43 0.04 0.0
1994 75 50 0.00 0.0
1993 78 49 0.00 0.0
1992 72 49 0.00 0.0
1991 80 45 0.00 0.0
1990 72 51 0.00 0.0
1989 85 51 0.06 0.0
1988 65 40 0.00 0.0
1987 76 53 n/a 0.0
1986 75 45 0.00 0.0
1985 66 40 0.00 0.0
1984 95 52 0.00 0.0
1983 72 47 0.00 0.0
1982 63 45 0.00 0.0
1981 82 53 0.00 0.0
1980 54 48 0.00 0.0
1979 61 39 0.00 0.0
1978 85 51 0.00 0.0
1977 58 48 1.23 0.0
1976 69 49 0.00 0.0
1975 64 45 0.00 0.0
1974 64 48 0.00 0.0
1973 76 50 0.00 0.0
1972 67 45 0.00 0.0
1971 69 48 0.00 0.0
1970 69 49 0.00 0.0
1969 69 49 0.00 0.0
1968 65 45 0.00 0.0
1967 69 49 0.00 0.0
1966 60 51 0.00 0.0
1965 73 41 0.00 0.0
1964 64 43 0.00 0.0
1963 69 50 0.25 0.0
1962 69 51 0.00 0.0
1961 79 44 0.00 0.0
1960 68 45 0.00 0.0
1959 71 48 0.00 0.0
1958 64 47 0.00 0.0
1957 65 44 0.00 0.0
1956 68 48 0.44 0.0
1955 64 50 0.00 0.0
1954 59 50 0.07 0.0
1953 62 46 0.00 0.0
1952 67 47 0.00 0.0
1951 74 50 0.00 0.0
1950 66 43 0.00 0.0
1949 65 47 0.00 0.0
1948 64 43 0.00 0.0
1947 69 51 0.00 0.0
1946 64 50 0.00 0.0
1945 57 50 0.00 0.0
1944 64 50 0.00 0.0
1943 85 47 0.00 n/a
1942 64 49 0.00 n/a
1941 90 58 n/a n/a
1940 83 61 0.00 n/a
1939 68 49 0.00 n/a
1938 65 46 n/a n/a
1937 70 48 0.00 n/a
1936 78 48 0.00 n/a
1935 63 51 0.00 n/a
1934 90 53 0.00 n/a
1933 59 36 0.00 n/a
1932 69 45 0.00 n/a
1931 76 47 0.00 n/a
1930 68 39 0.00 n/a
1929 76 45 0.00 n/a
1928 59 50 0.13 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 0.00 n/a
1907 n/a n/a 0.00 0.0
1906 n/a n/a 0.00 0.0
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 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 0.00 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for San Luis Obispo on 5/9?
For the date of May 9, the highest temperature ever reached in San Luis Obispo history is 95 °F which happened in 1984.
Highest Temperatures in San Luis Obispo on May 9
Rank Temperature Year
1 95 °F 1984
2 90 °F 1941
2 90 °F 1934
4 85 °F 1943
4 85 °F 1989
4 85 °F 1978
7 83 °F 1940
8 82 °F 1981
9 81 °F 2009
10 80 °F 1991
What's the all-time low for San Luis Obispo on 5/9?
For the date of May 9, the lowest temperature ever reached in San Luis Obispo history is 36 °F which happened in 1933.
Lowest Temperatures in San Luis Obispo on May 9
Rank Temperature Year
1 36 °F 1933
2 37 °F 2003
3 38 °F 1999
4 39 °F 1979
4 39 °F 1930
6 40 °F 1988
6 40 °F 1985
8 41 °F 1965
9 43 °F 1995
9 43 °F 1964
9 43 °F 1948
9 43 °F 2002
9 43 °F 1950
Lowest High Temperatures in San Luis Obispo on May 9
Rank Temperature Year
1 54 °F 1980
2 57 °F 1945
3 58 °F 1977
4 59 °F 1933
4 59 °F 1954
4 59 °F 1928
7 60 °F 1966
8 61 °F 1979
9 62 °F 1953
9 62 °F 2019
What's the most it has ever rained in San Luis Obispo on 5/9?
For the date of May 9, the most precipitation ever recorded in San Luis Obispo history is 1.23 inches which happened in 1977.
All-Time Most Precipitation in San Luis Obispo on May 9
Rank Precipitation Year
1 1.23 inches 1977
2 0.44 inches 1956
3 0.25 inches 1963
4 0.21 inches 2005
5 0.13 inches 1928
6 0.07 inches 1954
7 0.06 inches 1989
8 0.04 inches 1995
Weather Station Details
Years Station Coordinates
1999–2024 San Luis Obispo Airport location
1893–1998 San Luis Obispo Poly location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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