San Luis Obispo March 20 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of March 20.
March 20 All-Time Records
1893–2024
Highest temperature 87 °F 1997
Lowest temperature 34 °F 1982
Lowest daily high 47 °F 1982
Highest daily low 57 °F 1931
Most precipitation 2.74 inches 2011
March 20 Average Weather
1991–2020 1
Average high 67.6 °F
Average low 45.1 °F
Chance precipitation 26.5%
San Luis Obispo March 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 79 48 0.00 n/a
2023 59 52 0.01 n/a
2022 66 47 0.00 n/a
2021 64 45 0.00 n/a
2020 61 44 0.01 n/a
2019 60 45 0.33 n/a
2018 63 48 0.28 n/a
2017 68 54 0.02 0.0
2016 73 50 0.00 0.0
2015 73 45 0.00 0.0
2014 73 43 0.00 0.0
2013 70 49 0.00 0.0
2012 71 40 0.00 0.0
2011 53 44 2.74 n/a
2010 72 40 0.00 n/a
2009 68 46 0.00 n/a
2008 68 42 0.00 n/a
2007 57 51 0.27 n/a
2006 57 39 0.27 n/a
2005 64 50 0.16 n/a
2004 62 51 0.00 n/a
2003 64 44 0.00 n/a
2002 68 36 0.00 n/a
2001 76 47 0.00 n/a
2000 67 47 0.00 n/a
1999 55 43 0.45 n/a
1998 62 48 0.00 0.0
1997 87 50 0.00 0.0
1996 73 50 0.00 0.0
1995 70 50 0.00 0.0
1994 63 49 0.00 0.0
1993 73 53 0.00 0.0
1992 66 50 0.24 0.0
1991 60 45 1.02 0.0
1990 72 48 0.00 0.0
1989 67 45 0.00 0.0
1988 84 48 0.00 0.0
1987 67 n/a 0.00 0.0
1986 76 40 0.00 0.0
1985 65 40 0.00 0.0
1984 81 49 0.00 0.0
1983 64 42 0.00 0.0
1982 47 34 0.00 0.0
1981 57 39 0.70 0.0
1980 73 42 n/a 0.0
1979 56 39 0.10 0.0
1978 70 47 0.00 0.0
1977 63 45 0.00 0.0
1976 66 44 0.00 0.0
1975 66 40 0.00 0.0
1974 55 45 0.01 0.0
1973 60 38 2.33 0.0
1972 81 47 0.00 0.0
1971 76 38 0.00 0.0
1970 72 42 0.00 0.0
1969 70 40 0.00 0.0
1968 67 41 0.00 0.0
1967 65 40 0.00 0.0
1966 70 44 0.00 0.0
1965 73 46 0.00 0.0
1964 70 44 0.00 0.0
1963 71 46 0.00 0.0
1962 56 46 0.16 0.0
1961 70 47 0.00 0.0
1960 85 45 0.00 0.0
1959 75 53 0.00 0.0
1958 69 44 0.12 0.0
1957 70 47 0.00 0.0
1956 63 47 0.00 0.0
1955 62 39 0.00 0.0
1954 50 43 1.20 0.0
1953 58 41 0.89 0.0
1952 55 41 0.20 0.0
1951 80 42 0.00 0.0
1950 68 49 0.00 0.0
1949 58 43 0.98 0.0
1948 58 40 0.03 0.0
1947 63 48 0.03 0.0
1946 57 40 0.20 0.0
1945 69 41 0.00 0.0
1944 75 45 0.00 0.0
1943 64 45 0.00 n/a
1942 67 45 0.00 n/a
1941 62 46 n/a n/a
1940 71 53 n/a n/a
1939 60 46 0.04 n/a
1938 55 50 0.03 n/a
1937 64 43 0.00 n/a
1936 69 47 0.00 n/a
1935 59 35 0.00 n/a
1934 70 46 0.00 n/a
1933 66 45 0.00 n/a
1932 65 42 0.00 n/a
1931 83 57 0.00 n/a
1930 62 47 0.00 n/a
1929 74 42 0.00 n/a
1928 84 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 0.75 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 0.00 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 n/a n/a
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 0.28 n/a
1894 n/a n/a 0.00 n/a
1893 n/a n/a 2.17 n/a
What's the all-time high for San Luis Obispo on 3/20?
For the date of Mar 20, the highest temperature ever reached in San Luis Obispo history is 87 °F which happened in 1997.
Highest Temperatures in San Luis Obispo on March 20
Rank Temperature Year
1 87 °F 1997
2 85 °F 1960
3 84 °F 1988
3 84 °F 1928
5 83 °F 1931
6 81 °F 1972
6 81 °F 1984
8 80 °F 1951
9 79 °F 2024
10 76 °F 1971
10 76 °F 1986
10 76 °F 2001
What's the all-time low for San Luis Obispo on 3/20?
For the date of Mar 20, the lowest temperature ever reached in San Luis Obispo history is 34 °F which happened in 1982.
Lowest Temperatures in San Luis Obispo on March 20
Rank Temperature Year
1 34 °F 1982
2 35 °F 1935
3 36 °F 2002
4 38 °F 1973
4 38 °F 1971
6 39 °F 2006
6 39 °F 1981
6 39 °F 1955
6 39 °F 1979
10 40 °F 1985
10 40 °F 1975
10 40 °F 1948
10 40 °F 2012
10 40 °F 2010
10 40 °F 1969
10 40 °F 1986
10 40 °F 1946
10 40 °F 1967
Lowest High Temperatures in San Luis Obispo on March 20
Rank Temperature Year
1 47 °F 1982
2 50 °F 1954
3 53 °F 2011
4 55 °F 1974
4 55 °F 1999
4 55 °F 1938
4 55 °F 1952
8 56 °F 1962
8 56 °F 1979
10 57 °F 2007
10 57 °F 2006
10 57 °F 1981
10 57 °F 1946
What's the most it has ever rained in San Luis Obispo on 3/20?
For the date of Mar 20, the most precipitation ever recorded in San Luis Obispo history is 2.74 inches which happened in 2011.
All-Time Most Precipitation in San Luis Obispo on March 20
Rank Precipitation Year
1 2.74 inches 2011
2 2.33 inches 1973
3 2.17 inches 1893
4 1.20 inches 1954
5 1.02 inches 1991
6 0.98 inches 1949
7 0.89 inches 1953
8 0.75 inches 1916
9 0.70 inches 1981
10 0.45 inches 1999
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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