San Luis Obispo December 15 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of December 15.
December 15 All-Time Records
1893–2024
Highest temperature 82 °F 2013
Lowest temperature 31 °F 1987
Lowest daily high 46 °F 1967
Highest daily low 55 °F 1983
Most precipitation 1.60 inches 2016
December 15 Average Weather
1991–2020 1
Average high 65.3 °F
Average low 41.2 °F
Chance precipitation 27.1%
San Luis Obispo December 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 80 40 0.00 n/a
2022 59 38 0.00 n/a
2021 58 34 0.00 n/a
2020 70 40 0.00 n/a
2019 61 40 0.00 0.0
2018 66 36 0.00 0.0
2017 77 36 0.00 0.0
2016 61 54 1.60 0.0
2015 59 34 0.00 0.0
2014 62 47 0.52 n/a
2013 82 35 0.00 0.0
2012 56 33 0.05 n/a
2011 60 36 0.00 n/a
2010 61 47 0.00 n/a
2009 64 40 0.00 n/a
2008 58 43 0.24 n/a
2007 65 32 0.00 n/a
2006 63 49 0.00 n/a
2005 62 38 0.01 n/a
2004 69 42 0.00 n/a
2003 64 37 0.01 n/a
2002 62 48 0.00 n/a
2001 57 39 0.00 n/a
2000 67 43 0.00 n/a
1999 71 41 0.00 n/a
1998 76 43 0.00 0.0
1997 57 48 0.50 0.0
1996 n/a n/a 0.00 0.0
1995 63 46 0.00 0.0
1994 56 37 0.14 0.0
1993 51 37 0.49 0.0
1992 64 38 0.00 0.0
1991 72 37 0.00 0.0
1990 62 35 0.08 0.0
1989 68 37 0.00 0.0
1988 62 40 1.20 n/a
1987 57 31 0.00 0.0
1986 67 44 0.00 0.0
1985 65 35 0.00 0.0
1984 61 34 0.00 0.0
1983 66 55 0.00 0.0
1982 66 44 0.00 0.0
1981 74 45 0.00 0.0
1980 73 43 0.00 0.0
1979 77 36 0.00 0.0
1978 73 41 0.00 0.0
1977 70 48 0.90 0.0
1976 72 40 0.00 0.0
1975 56 33 0.00 0.0
1974 65 41 0.00 0.0
1973 61 48 0.00 0.0
1972 60 33 0.00 0.0
1971 56 39 0.00 0.0
1970 56 41 0.00 0.0
1969 65 43 0.00 0.0
1968 55 46 0.59 0.0
1967 46 32 0.00 0.0
1966 60 46 0.00 0.0
1965 52 34 0.00 0.0
1964 68 40 0.00 0.0
1963 70 33 0.00 0.0
1962 68 55 0.07 0.0
1961 56 42 0.00 0.0
1960 61 39 0.29 0.0
1959 62 43 0.00 0.0
1958 80 43 0.00 0.0
1957 63 42 0.37 0.0
1956 68 50 0.00 0.0
1955 60 47 0.00 0.0
1954 67 51 0.04 0.0
1953 82 45 0.00 0.0
1952 75 43 0.00 0.0
1951 67 39 0.00 0.0
1950 62 48 0.06 0.0
1949 64 44 0.74 0.0
1948 54 34 0.18 0.0
1947 68 53 0.00 0.0
1946 59 45 0.00 0.0
1945 64 34 0.00 0.0
1944 64 44 0.00 0.0
1943 68 36 0.00 0.0
1942 75 50 0.00 n/a
1941 64 51 1.16 n/a
1940 67 44 n/a n/a
1939 75 47 0.00 n/a
1938 65 50 0.17 n/a
1937 70 53 0.00 n/a
1936 62 50 0.49 n/a
1935 64 36 0.00 n/a
1934 59 48 0.00 n/a
1933 55 49 0.26 n/a
1932 60 35 0.00 n/a
1931 61 38 0.00 n/a
1930 70 35 0.00 n/a
1929 66 49 0.02 n/a
1928 53 38 0.00 n/a
1927 62 44 0.00 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 0.00 n/a
1915 n/a n/a n/a n/a
1914 n/a n/a 0.00 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 0.24 n/a
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 0.34 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 12/15?
For the date of Dec 15, the highest temperature ever reached in San Luis Obispo history is 82 °F which has happened 2 times, most recently in 2013.
Highest Temperatures in San Luis Obispo on December 15
Rank Temperature Year
1 82 °F 1953
1 82 °F 2013
3 80 °F 1958
3 80 °F 2023
5 77 °F 1979
5 77 °F 2017
7 76 °F 1998
8 75 °F 1942
8 75 °F 1939
8 75 °F 1952
What's the all-time low for San Luis Obispo on 12/15?
For the date of Dec 15, the lowest temperature ever reached in San Luis Obispo history is 31 °F which happened in 1987.
Lowest Temperatures in San Luis Obispo on December 15
Rank Temperature Year
1 31 °F 1987
2 32 °F 1967
2 32 °F 2007
4 33 °F 1963
4 33 °F 2012
4 33 °F 1975
4 33 °F 1972
8 34 °F 2015
8 34 °F 1948
8 34 °F 2021
8 34 °F 1945
8 34 °F 1965
8 34 °F 1984
Lowest High Temperatures in San Luis Obispo on December 15
Rank Temperature Year
1 46 °F 1967
2 51 °F 1993
3 52 °F 1965
4 53 °F 1928
5 54 °F 1948
6 55 °F 1968
6 55 °F 1933
8 56 °F 1961
8 56 °F 1971
8 56 °F 1970
8 56 °F 1994
8 56 °F 2012
8 56 °F 1975
What's the most it has ever rained in San Luis Obispo on 12/15?
For the date of Dec 15, the most precipitation ever recorded in San Luis Obispo history is 1.60 inches which happened in 2016.
All-Time Most Precipitation in San Luis Obispo on December 15
Rank Precipitation Year
1 1.60 inches 2016
2 1.20 inches 1988
3 1.16 inches 1941
4 0.90 inches 1977
5 0.74 inches 1949
6 0.59 inches 1968
7 0.52 inches 2014
8 0.50 inches 1997
9 0.49 inches 1936
9 0.49 inches 1993
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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