San Luis Obispo July 4 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of July 4.
July 4 All-Time Records
1893–2024
Highest temperature 96 °F 1985
Lowest temperature 44 °F 1999
Lowest daily high 63 °F 1955
Highest daily low 64 °F 1985
Most precipitation none -
July 4 Average Weather
1991–2020 1
Average high 78.1 °F
Average low 53.3 °F
Chance precipitation 1.1%
San Luis Obispo July 4 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 55 0.00 n/a
2022 77 48 0.00 n/a
2021 75 56 0.00 n/a
2020 86 50 0.00 0.0
2019 75 51 0.00 0.0
2018 73 55 0.00 0.0
2017 79 50 0.00 0.0
2016 76 53 0.00 0.0
2015 78 58 0.00 0.0
2014 81 52 0.00 0.0
2013 81 56 0.00 0.0
2012 68 56 0.00 0.0
2011 85 56 0.00 n/a
2010 70 51 0.00 n/a
2009 78 60 0.00 n/a
2008 76 54 0.00 n/a
2007 81 52 0.00 n/a
2006 79 52 0.00 n/a
2005 73 54 0.00 n/a
2004 75 57 0.00 n/a
2003 79 50 0.00 n/a
2002 79 46 0.00 n/a
2001 83 59 0.00 n/a
2000 70 48 0.00 n/a
1999 74 44 0.00 n/a
1998 72 54 0.00 0.0
1997 93 51 0.00 0.0
1996 81 50 0.00 0.0
1995 70 55 0.00 0.0
1994 71 51 0.00 0.0
1993 75 52 0.00 0.0
1992 74 52 0.00 0.0
1991 82 54 0.00 0.0
1990 78 48 0.00 0.0
1989 83 50 0.00 0.0
1988 76 50 0.00 0.0
1987 70 49 0.00 0.0
1986 86 49 0.00 0.0
1985 96 64 0.00 0.0
1984 82 53 0.00 0.0
1983 88 55 0.00 0.0
1982 78 48 0.00 0.0
1981 82 53 0.00 0.0
1980 73 50 0.00 0.0
1979 70 48 0.00 0.0
1978 73 51 0.00 0.0
1977 69 47 0.00 0.0
1976 72 51 0.00 0.0
1975 70 47 0.00 0.0
1974 74 50 0.00 0.0
1973 86 49 0.00 0.0
1972 74 50 0.00 0.0
1971 70 45 0.00 0.0
1970 92 53 0.00 0.0
1969 88 50 0.00 0.0
1968 75 51 0.00 0.0
1967 78 53 0.00 0.0
1966 85 49 0.00 0.0
1965 72 49 0.00 0.0
1964 65 48 0.00 0.0
1963 75 50 0.00 0.0
1962 73 48 0.00 0.0
1961 70 52 0.00 0.0
1960 77 52 0.00 0.0
1959 75 51 0.00 0.0
1958 76 52 0.00 0.0
1957 80 53 0.00 0.0
1956 69 52 0.00 0.0
1955 63 48 0.00 0.0
1954 82 52 0.00 0.0
1953 74 48 0.00 0.0
1952 76 51 0.00 0.0
1951 68 48 0.00 0.0
1950 80 54 0.00 0.0
1949 68 51 0.00 0.0
1948 69 52 0.00 0.0
1947 73 49 0.00 0.0
1946 71 49 0.00 0.0
1945 75 55 0.00 0.0
1944 72 52 0.00 0.0
1943 73 52 0.00 n/a
1942 76 56 0.00 n/a
1941 76 51 0.00 n/a
1940 78 52 0.00 n/a
1939 70 54 0.00 n/a
1938 69 50 0.00 n/a
1937 78 54 0.00 n/a
1936 88 56 0.00 n/a
1935 70 53 0.00 n/a
1934 80 55 0.00 n/a
1933 82 49 0.00 n/a
1932 78 53 0.00 n/a
1931 91 52 0.00 n/a
1930 82 52 0.00 n/a
1929 84 52 0.00 n/a
1928 84 52 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 7/4?
For the date of Jul 4, the highest temperature ever reached in San Luis Obispo history is 96 °F which happened in 1985.
Highest Temperatures in San Luis Obispo on July 4
Rank Temperature Year
1 96 °F 1985
2 93 °F 1997
3 92 °F 1970
4 91 °F 1931
5 88 °F 1983
5 88 °F 1969
5 88 °F 1936
8 86 °F 1986
8 86 °F 1973
8 86 °F 2020
What's the all-time low for San Luis Obispo on 7/4?
For the date of Jul 4, the lowest temperature ever reached in San Luis Obispo history is 44 °F which happened in 1999.
Lowest Temperatures in San Luis Obispo on July 4
Rank Temperature Year
1 44 °F 1999
2 45 °F 1971
3 46 °F 2002
4 47 °F 1975
4 47 °F 1977
6 48 °F 2000
6 48 °F 1979
6 48 °F 1951
6 48 °F 1982
6 48 °F 1990
6 48 °F 1964
6 48 °F 1955
6 48 °F 2022
6 48 °F 1953
6 48 °F 1962
Lowest High Temperatures in San Luis Obispo on July 4
Rank Temperature Year
1 63 °F 1955
2 65 °F 1964
3 68 °F 1949
3 68 °F 1951
3 68 °F 2012
6 69 °F 1938
6 69 °F 1956
6 69 °F 1948
6 69 °F 1977
10 70 °F 1987
10 70 °F 1979
10 70 °F 2000
10 70 °F 1971
10 70 °F 1939
10 70 °F 2010
10 70 °F 1995
10 70 °F 1975
10 70 °F 1961
10 70 °F 1935
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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