San Luis Obispo December 23 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of December 23.
December 23 All-Time Records
1893–2024
Highest temperature 79 °F 1999
Lowest temperature 17 °F 1990
Lowest daily high 44 °F 1990
Highest daily low 57 °F 2021
Most precipitation 3.41 inches 1940
December 23 Average Weather
1991–2020 1
Average high 64.8 °F
Average low 40.7 °F
Chance precipitation 27.6%
San Luis Obispo December 23 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 69 49 0.00 n/a
2022 64 50 0.00 n/a
2021 59 57 1.49 n/a
2020 73 44 0.00 n/a
2019 58 47 0.00 0.0
2018 65 43 0.00 0.0
2017 66 34 0.00 n/a
2016 57 44 0.77 n/a
2015 63 47 0.00 0.0
2014 75 50 0.00 0.0
2013 75 36 0.00 0.0
2012 59 47 0.67 n/a
2011 69 29 0.00 0.0
2010 61 46 0.00 n/a
2009 62 39 0.00 n/a
2008 57 36 0.00 n/a
2007 71 40 0.00 n/a
2006 64 37 0.00 n/a
2005 74 55 0.01 n/a
2004 67 34 0.00 n/a
2003 58 48 0.25 n/a
2002 56 33 0.00 n/a
2001 64 48 0.00 n/a
2000 67 40 0.00 n/a
1999 79 42 0.00 n/a
1998 48 28 0.00 0.0
1997 57 34 0.00 0.0
1996 60 44 0.04 0.0
1995 57 39 0.47 0.0
1994 75 48 0.00 0.0
1993 70 34 0.00 0.0
1992 58 45 0.00 0.0
1991 68 35 0.00 0.0
1990 44 17 0.00 0.0
1989 77 n/a 0.00 0.0
1988 60 35 0.26 n/a
1987 57 35 0.00 0.0
1986 67 40 0.05 0.0
1985 74 42 0.00 0.0
1984 58 39 0.00 0.0
1983 57 38 0.00 0.0
1982 60 42 2.00 0.0
1981 60 43 0.00 0.0
1980 71 51 0.00 0.0
1979 58 37 0.00 0.0
1978 64 48 0.00 0.0
1977 68 46 0.65 0.0
1976 68 42 0.00 0.0
1975 64 43 0.00 0.0
1974 56 40 0.00 0.0
1973 57 40 0.00 0.0
1972 61 47 0.00 0.0
1971 59 38 0.69 0.0
1970 56 36 0.00 0.0
1969 62 49 0.00 0.0
1968 56 30 0.00 0.0
1967 58 45 0.00 0.0
1966 67 38 0.00 0.0
1965 55 35 0.00 0.0
1964 61 54 0.59 0.0
1963 67 36 0.00 0.0
1962 71 39 0.00 0.0
1961 67 50 0.00 0.0
1960 77 45 0.00 0.0
1959 58 46 0.00 0.0
1958 66 47 0.00 0.0
1957 58 44 0.00 0.0
1956 61 43 0.00 0.0
1955 59 44 1.24 0.0
1954 71 40 0.00 0.0
1953 66 34 0.00 0.0
1952 59 45 0.00 0.0
1951 64 47 0.00 0.0
1950 72 51 0.00 0.0
1949 65 38 0.00 0.0
1948 52 32 0.00 0.0
1947 73 50 0.00 0.0
1946 69 50 0.00 0.0
1945 60 55 0.93 0.0
1944 65 48 0.40 0.0
1943 63 51 0.00 0.0
1942 63 45 0.06 n/a
1941 55 45 0.09 n/a
1940 62 51 3.41 n/a
1939 54 44 0.03 n/a
1938 55 45 n/a n/a
1937 57 37 0.19 n/a
1936 64 45 n/a n/a
1935 65 34 0.00 n/a
1934 58 46 0.00 n/a
1933 74 39 0.00 n/a
1932 50 34 0.19 n/a
1931 52 45 1.72 n/a
1930 67 34 0.00 n/a
1929 68 33 0.00 n/a
1928 70 34 0.00 n/a
1927 58 35 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 0.30 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 0.12 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 0.03 n/a
1908 n/a n/a 0.00 n/a
1907 n/a n/a 0.00 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 0.00 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 12/23?
For the date of Dec 23, the highest temperature ever reached in San Luis Obispo history is 79 °F which happened in 1999.
Highest Temperatures in San Luis Obispo on December 23
Rank Temperature Year
1 79 °F 1999
2 77 °F 1989
2 77 °F 1960
4 75 °F 1994
4 75 °F 2013
4 75 °F 2014
7 74 °F 2005
7 74 °F 1933
7 74 °F 1985
10 73 °F 1947
10 73 °F 2020
What's the all-time low for San Luis Obispo on 12/23?
For the date of Dec 23, the lowest temperature ever reached in San Luis Obispo history is 17 °F which happened in 1990.
Lowest Temperatures in San Luis Obispo on December 23
Rank Temperature Year
1 17 °F 1990
2 28 °F 1998
3 29 °F 2011
4 30 °F 1968
5 32 °F 1948
6 33 °F 2002
6 33 °F 1929
8 34 °F 1932
8 34 °F 2004
8 34 °F 1928
8 34 °F 1993
8 34 °F 2017
8 34 °F 1997
8 34 °F 1953
8 34 °F 1930
8 34 °F 1935
Lowest High Temperatures in San Luis Obispo on December 23
Rank Temperature Year
1 44 °F 1990
2 48 °F 1998
3 50 °F 1932
4 52 °F 1931
4 52 °F 1948
6 54 °F 1939
7 55 °F 1938
7 55 °F 1941
7 55 °F 1965
10 56 °F 2002
10 56 °F 1968
10 56 °F 1974
10 56 °F 1970
What's the most it has ever rained in San Luis Obispo on 12/23?
For the date of Dec 23, the most precipitation ever recorded in San Luis Obispo history is 3.41 inches which happened in 1940.
All-Time Most Precipitation in San Luis Obispo on December 23
Rank Precipitation Year
1 3.41 inches 1940
2 2.00 inches 1982
3 1.72 inches 1931
4 1.49 inches 2021
5 1.24 inches 1955
6 0.93 inches 1945
7 0.77 inches 2016
8 0.69 inches 1971
9 0.67 inches 2012
10 0.65 inches 1977
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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