San Luis Obispo April 15 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of April 15.
April 15 All-Time Records
1893–2024
Highest temperature 94 °F 1964
Lowest temperature 36 °F 2009
Lowest daily high 56 °F 1970
Highest daily low 64 °F 1966
Most precipitation 0.47 inches 1963
April 15 Average Weather
1991–2020 1
Average high 69.6 °F
Average low 46.0 °F
Chance precipitation 17.7%
San Luis Obispo April 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 73 49 0.00 n/a
2023 66 42 0.00 n/a
2022 71 44 0.00 n/a
2021 65 40 0.00 n/a
2020 80 44 0.00 0.0
2019 66 49 0.00 n/a
2018 70 51 0.01 0.0
2017 81 49 0.00 0.0
2016 71 49 0.00 0.0
2015 78 47 0.00 n/a
2014 75 51 0.00 0.0
2013 61 41 0.00 0.0
2012 64 42 0.00 0.0
2011 79 47 0.00 n/a
2010 68 43 0.00 n/a
2009 59 36 0.00 n/a
2008 63 44 0.00 n/a
2007 64 43 0.00 n/a
2006 63 48 0.04 n/a
2005 80 50 0.00 n/a
2004 67 43 0.00 n/a
2003 63 37 0.01 n/a
2002 62 48 0.00 n/a
2001 63 37 0.00 n/a
2000 62 47 0.00 n/a
1999 83 46 0.01 n/a
1998 59 40 0.17 0.0
1997 78 44 0.00 0.0
1996 81 47 0.00 0.0
1995 61 40 0.00 0.0
1994 70 48 0.00 0.0
1993 67 41 0.00 0.0
1992 72 50 0.00 0.0
1991 62 41 0.00 0.0
1990 64 53 0.00 0.0
1989 67 45 0.00 0.0
1988 n/a n/a n/a n/a
1987 78 48 n/a 0.0
1986 70 45 0.00 0.0
1985 83 51 0.00 0.0
1984 88 50 0.00 0.0
1983 63 40 0.00 0.0
1982 65 45 0.00 0.0
1981 74 45 0.00 0.0
1980 72 53 0.00 0.0
1979 75 49 0.00 0.0
1978 59 50 0.45 0.0
1977 71 43 0.00 0.0
1976 61 48 0.00 0.0
1975 58 40 0.30 0.0
1974 77 41 0.00 0.0
1973 63 46 0.00 0.0
1972 69 42 0.00 0.0
1971 62 42 0.00 0.0
1970 56 36 0.00 0.0
1969 62 45 0.00 0.0
1968 71 45 0.00 0.0
1967 62 40 0.07 0.0
1966 87 64 0.00 0.0
1965 60 42 0.00 0.0
1964 94 52 0.00 0.0
1963 63 49 0.47 0.0
1962 69 46 0.00 0.0
1961 80 49 0.00 0.0
1960 72 49 0.00 0.0
1959 64 48 0.00 0.0
1958 79 49 0.00 0.0
1957 66 43 0.10 0.0
1956 n/a 48 0.04 0.0
1955 66 40 0.00 0.0
1954 76 50 0.00 0.0
1953 71 45 0.00 0.0
1952 65 47 0.00 0.0
1951 66 49 0.00 0.0
1950 66 47 0.00 0.0
1949 58 46 0.00 0.0
1948 78 48 0.00 0.0
1947 86 49 0.00 0.0
1946 64 49 0.00 0.0
1945 68 43 0.00 0.0
1944 63 48 0.00 0.0
1943 66 47 0.00 n/a
1942 61 46 0.04 n/a
1941 62 44 0.00 n/a
1940 59 48 n/a n/a
1939 63 48 0.00 n/a
1938 64 42 n/a n/a
1937 67 53 0.00 n/a
1936 58 50 0.00 n/a
1935 62 54 0.24 n/a
1934 65 47 0.00 n/a
1933 69 42 0.00 n/a
1932 74 44 0.00 n/a
1931 79 45 0.00 n/a
1930 68 47 0.00 n/a
1929 78 41 0.00 n/a
1928 74 48 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 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 0.00 n/a
What's the all-time high for San Luis Obispo on 4/15?
For the date of Apr 15, the highest temperature ever reached in San Luis Obispo history is 94 °F which happened in 1964.
Highest Temperatures in San Luis Obispo on April 15
Rank Temperature Year
1 94 °F 1964
2 88 °F 1984
3 87 °F 1966
4 86 °F 1947
5 83 °F 1985
5 83 °F 1999
7 81 °F 1996
7 81 °F 2017
9 80 °F 2005
9 80 °F 1961
9 80 °F 2020
What's the all-time low for San Luis Obispo on 4/15?
For the date of Apr 15, the lowest temperature ever reached in San Luis Obispo history is 36 °F which has happened 2 times, most recently in 2009.
Lowest Temperatures in San Luis Obispo on April 15
Rank Temperature Year
1 36 °F 2009
1 36 °F 1970
3 37 °F 2003
3 37 °F 2001
5 40 °F 1967
5 40 °F 1983
5 40 °F 1995
5 40 °F 2021
5 40 °F 1975
5 40 °F 1998
5 40 °F 1955
Lowest High Temperatures in San Luis Obispo on April 15
Rank Temperature Year
1 56 °F 1970
2 58 °F 1936
2 58 °F 1949
2 58 °F 1975
5 59 °F 2009
5 59 °F 1978
5 59 °F 1940
5 59 °F 1998
9 60 °F 1965
10 61 °F 1942
10 61 °F 1976
10 61 °F 1995
10 61 °F 2013
What's the most it has ever rained in San Luis Obispo on 4/15?
For the date of Apr 15, the most precipitation ever recorded in San Luis Obispo history is 0.47 inches which happened in 1963.
All-Time Most Precipitation in San Luis Obispo on April 15
Rank Precipitation Year
1 0.47 inches 1963
2 0.45 inches 1978
3 0.30 inches 1975
4 0.24 inches 1935
5 0.17 inches 1998
6 0.10 inches 1957
7 0.07 inches 1967
8 0.04 inches 1942
8 0.04 inches 2006
8 0.04 inches 1956
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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