San Luis Obispo April 9 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of April 9.
April 9 All-Time Records
1893–2024
Highest temperature 98 °F 1989
Lowest temperature 31 °F 1984
Lowest daily high 52 °F 1945
Highest daily low 60 °F 1932
Most precipitation 1.28 inches 1950
April 9 Average Weather
1991–2020 1
Average high 68.7 °F
Average low 45.5 °F
Chance precipitation 18.9%
San Luis Obispo April 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 79 45 0.00 n/a
2023 79 48 0.00 n/a
2022 73 48 0.00 n/a
2021 69 43 0.00 n/a
2020 58 47 0.17 n/a
2019 66 51 0.00 0.0
2018 91 56 0.00 0.0
2017 72 48 0.00 0.0
2016 72 57 0.04 0.0
2015 73 46 0.00 0.0
2014 73 49 0.00 0.0
2013 72 42 0.00 0.0
2012 68 35 0.00 0.0
2011 60 35 0.00 n/a
2010 66 43 0.00 n/a
2009 64 43 0.00 n/a
2008 62 37 0.00 n/a
2007 69 44 0.00 n/a
2006 64 45 0.00 n/a
2005 64 39 0.02 n/a
2004 66 49 0.00 n/a
2003 80 41 0.00 n/a
2002 67 51 0.00 n/a
2001 55 37 0.11 n/a
2000 68 44 0.00 n/a
1999 56 34 0.01 n/a
1998 64 41 0.00 0.0
1997 69 43 0.00 0.0
1996 67 45 0.00 0.0
1995 69 45 0.00 0.0
1994 63 47 0.49 0.0
1993 71 46 0.00 0.0
1992 80 47 0.00 0.0
1991 74 41 0.00 0.0
1990 68 43 0.00 0.0
1989 98 55 0.00 0.0
1988 n/a n/a n/a n/a
1987 82 53 n/a 0.0
1986 72 42 0.00 0.0
1985 73 43 0.00 0.0
1984 62 31 0.00 0.0
1983 65 42 0.00 0.0
1982 65 44 0.00 0.0
1981 64 n/a 0.00 0.0
1980 82 48 0.00 0.0
1979 66 45 0.00 0.0
1978 61 41 0.00 0.0
1977 65 48 0.06 0.0
1976 59 39 0.03 0.0
1975 60 34 0.00 0.0
1974 70 45 0.20 0.0
1973 75 47 0.00 0.0
1972 73 47 0.00 0.0
1971 70 44 0.00 0.0
1970 70 41 0.00 0.0
1969 63 46 0.00 0.0
1968 81 53 0.00 0.0
1967 61 45 0.00 0.0
1966 63 48 0.00 0.0
1965 55 40 0.52 0.0
1964 75 47 0.00 0.0
1963 61 43 0.08 0.0
1962 67 48 0.00 0.0
1961 76 46 0.00 0.0
1960 72 50 0.00 0.0
1959 70 50 0.00 0.0
1958 65 50 0.00 0.0
1957 67 41 0.00 0.0
1956 73 45 0.00 0.0
1955 77 45 0.00 0.0
1954 68 49 0.00 0.0
1953 56 37 0.00 0.0
1952 68 48 0.02 0.0
1951 67 46 0.00 0.0
1950 54 41 1.28 0.0
1949 65 48 0.00 0.0
1948 61 47 0.32 0.0
1947 63 43 0.00 0.0
1946 67 43 0.00 0.0
1945 52 33 0.12 0.0
1944 56 38 0.02 0.0
1943 57 36 0.00 n/a
1942 60 50 0.02 n/a
1941 61 49 0.00 n/a
1940 74 50 n/a n/a
1939 73 52 0.00 n/a
1938 65 42 n/a n/a
1937 67 48 0.00 n/a
1936 82 46 0.00 n/a
1935 58 36 0.00 n/a
1934 68 43 0.00 n/a
1933 66 41 0.00 n/a
1932 81 60 0.00 n/a
1931 82 47 0.00 n/a
1930 70 49 0.00 n/a
1929 61 37 0.05 n/a
1928 78 45 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 0.62 n/a
1911 n/a n/a n/a n/a
1910 n/a n/a 0.00 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 0.07 n/a
What's the all-time high for San Luis Obispo on 4/9?
For the date of Apr 9, the highest temperature ever reached in San Luis Obispo history is 98 °F which happened in 1989.
Highest Temperatures in San Luis Obispo on April 9
Rank Temperature Year
1 98 °F 1989
2 91 °F 2018
3 82 °F 1987
3 82 °F 1980
3 82 °F 1936
3 82 °F 1931
7 81 °F 1968
7 81 °F 1932
9 80 °F 2003
9 80 °F 1992
What's the all-time low for San Luis Obispo on 4/9?
For the date of Apr 9, the lowest temperature ever reached in San Luis Obispo history is 31 °F which happened in 1984.
Lowest Temperatures in San Luis Obispo on April 9
Rank Temperature Year
1 31 °F 1984
2 33 °F 1945
3 34 °F 1975
3 34 °F 1999
5 35 °F 2012
5 35 °F 2011
7 36 °F 1935
7 36 °F 1943
9 37 °F 2001
9 37 °F 1953
9 37 °F 1929
9 37 °F 2008
Lowest High Temperatures in San Luis Obispo on April 9
Rank Temperature Year
1 52 °F 1945
2 54 °F 1950
3 55 °F 1965
3 55 °F 2001
5 56 °F 1999
5 56 °F 1953
5 56 °F 1944
8 57 °F 1943
9 58 °F 2020
9 58 °F 1935
What's the most it has ever rained in San Luis Obispo on 4/9?
For the date of Apr 9, the most precipitation ever recorded in San Luis Obispo history is 1.28 inches which happened in 1950.
All-Time Most Precipitation in San Luis Obispo on April 9
Rank Precipitation Year
1 1.28 inches 1950
2 0.62 inches 1912
3 0.52 inches 1965
4 0.49 inches 1994
5 0.32 inches 1948
6 0.20 inches 1974
7 0.17 inches 2020
8 0.12 inches 1945
9 0.11 inches 2001
10 0.08 inches 1963
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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