San Luis Obispo August 9 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of August 9.
August 9 All-Time Records
1893–2024
Highest temperature 99 °F 1971
Lowest temperature 41 °F 1970
Lowest daily high 68 °F 1949
Highest daily low 60 °F 1947
Most precipitation 0.04 inches 1947
August 9 Average Weather
1991–2020 1
Average high 79.6 °F
Average low 55.0 °F
Chance precipitation 1.1%
San Luis Obispo August 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 58 0.00 n/a
2022 80 53 0.00 n/a
2021 78 55 0.00 n/a
2020 78 53 0.00 0.0
2019 83 51 0.00 0.0
2018 92 53 0.00 0.0
2017 78 58 0.00 0.0
2016 71 56 0.00 0.0
2015 76 58 0.00 0.0
2014 79 58 0.00 0.0
2013 75 57 0.00 0.0
2012 86 54 0.00 0.0
2011 76 55 0.00 n/a
2010 74 55 0.00 n/a
2009 83 55 0.00 n/a
2008 83 54 0.00 n/a
2007 76 51 0.00 n/a
2006 91 53 0.00 n/a
2005 82 55 0.00 n/a
2004 73 54 0.00 n/a
2003 86 54 0.00 n/a
2002 90 50 0.00 n/a
2001 76 56 0.00 n/a
2000 74 54 0.00 n/a
1999 74 57 0.00 n/a
1998 80 56 0.00 0.0
1997 77 57 0.00 0.0
1996 81 52 0.00 0.0
1995 98 55 0.00 0.0
1994 79 51 0.00 0.0
1993 79 56 0.00 0.0
1992 86 52 0.00 0.0
1991 88 54 0.00 0.0
1990 80 49 0.00 0.0
1989 n/a n/a 0.00 0.0
1988 77 53 0.00 0.0
1987 75 47 0.00 0.0
1986 75 47 0.00 0.0
1985 80 49 0.00 0.0
1984 87 56 0.00 0.0
1983 87 58 0.00 0.0
1982 79 52 0.00 0.0
1981 81 53 0.00 0.0
1980 79 53 0.00 0.0
1979 78 52 0.00 0.0
1978 n/a n/a n/a n/a
1977 72 55 0.00 0.0
1976 73 51 0.00 0.0
1975 89 55 0.00 0.0
1974 72 55 0.00 0.0
1973 72 54 0.00 0.0
1972 78 57 0.00 0.0
1971 99 50 0.00 0.0
1970 90 41 0.00 0.0
1969 90 52 0.00 0.0
1968 77 50 0.00 0.0
1967 77 55 0.00 0.0
1966 79 53 0.00 0.0
1965 86 50 0.00 0.0
1964 78 52 0.00 0.0
1963 80 54 0.00 0.0
1962 80 50 0.00 0.0
1961 78 55 0.00 0.0
1960 70 54 0.00 0.0
1959 81 56 0.00 0.0
1958 79 55 0.00 0.0
1957 76 54 0.00 0.0
1956 74 50 0.00 0.0
1955 78 54 0.00 0.0
1954 74 51 0.00 0.0
1953 77 51 0.00 0.0
1952 74 52 0.00 0.0
1951 74 52 0.00 0.0
1950 72 48 0.00 0.0
1949 68 52 0.00 0.0
1948 71 50 0.00 0.0
1947 87 60 0.04 0.0
1946 79 52 0.00 0.0
1945 73 52 0.00 0.0
1944 71 51 0.00 0.0
1943 74 50 0.00 n/a
1942 78 54 0.00 n/a
1941 73 55 0.00 n/a
1940 78 53 0.00 n/a
1939 72 55 0.00 n/a
1938 71 54 0.00 n/a
1937 81 52 0.00 n/a
1936 69 60 0.00 n/a
1935 84 49 0.00 n/a
1934 75 53 0.00 n/a
1933 76 52 0.00 n/a
1932 78 49 0.00 n/a
1931 85 52 0.00 n/a
1930 76 52 0.00 n/a
1929 77 52 0.00 n/a
1928 83 50 0.00 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 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 8/9?
For the date of Aug 9, the highest temperature ever reached in San Luis Obispo history is 99 °F which happened in 1971.
Highest Temperatures in San Luis Obispo on August 9
Rank Temperature Year
1 99 °F 1971
2 98 °F 1995
3 92 °F 2018
4 91 °F 2006
5 90 °F 1970
5 90 °F 2002
5 90 °F 1969
8 89 °F 1975
9 88 °F 1991
10 87 °F 1984
10 87 °F 1983
10 87 °F 1947
What's the all-time low for San Luis Obispo on 8/9?
For the date of Aug 9, the lowest temperature ever reached in San Luis Obispo history is 41 °F which happened in 1970.
Lowest Temperatures in San Luis Obispo on August 9
Rank Temperature Year
1 41 °F 1970
2 47 °F 1986
2 47 °F 1987
4 48 °F 1950
5 49 °F 1990
5 49 °F 1985
5 49 °F 1932
5 49 °F 1935
9 50 °F 2002
9 50 °F 1943
9 50 °F 1965
9 50 °F 1956
9 50 °F 1968
9 50 °F 1962
9 50 °F 1948
9 50 °F 1928
9 50 °F 1971
Lowest High Temperatures in San Luis Obispo on August 9
Rank Temperature Year
1 68 °F 1949
2 69 °F 1936
3 70 °F 1960
4 71 °F 1948
4 71 °F 1938
4 71 °F 2016
4 71 °F 1944
8 72 °F 1973
8 72 °F 1950
8 72 °F 1977
8 72 °F 1939
8 72 °F 1974
What's the most it has ever rained in San Luis Obispo on 8/9?
For the date of Aug 9, the most precipitation ever recorded in San Luis Obispo history is 0.04 inches which happened in 1947.
All-Time Most Precipitation in San Luis Obispo on August 9
Rank Precipitation Year
1 0.04 inches 1947
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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