San Luis Obispo December 17 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of December 17.
December 17 All-Time Records
1893–2024
Highest temperature 85 °F 1980
Lowest temperature 28 °F 1984
Lowest daily high 53 °F 1965
Highest daily low 54 °F 1943
Most precipitation 1.40 inches 1988
December 17 Average Weather
1991–2020 1
Average high 65.1 °F
Average low 41.0 °F
Chance precipitation 27.3%
San Luis Obispo December 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 50 0.00 n/a
2022 66 29 0.00 n/a
2021 62 38 0.00 n/a
2020 60 48 0.03 n/a
2019 62 36 0.00 0.0
2018 65 48 0.20 n/a
2017 70 41 0.00 n/a
2016 58 38 0.00 0.0
2015 69 38 0.00 0.0
2014 59 43 0.00 n/a
2013 82 43 0.00 0.0
2012 61 53 0.25 0.0
2011 72 35 0.00 0.0
2010 60 50 0.65 n/a
2009 69 42 0.00 n/a
2008 54 38 0.00 n/a
2007 57 38 0.11 n/a
2006 57 36 0.01 n/a
2005 59 45 0.00 n/a
2004 72 36 0.00 n/a
2003 66 34 0.00 n/a
2002 56 41 0.27 n/a
2001 61 40 0.00 n/a
2000 74 42 0.00 n/a
1999 79 38 0.00 n/a
1998 78 45 0.00 0.0
1997 65 47 0.00 0.0
1996 68 39 0.00 0.0
1995 60 41 0.00 0.0
1994 65 41 0.00 0.0
1993 61 37 0.00 0.0
1992 64 40 0.00 0.0
1991 75 39 0.00 0.0
1990 55 33 0.00 0.0
1989 67 34 0.00 0.0
1988 62 33 1.40 n/a
1987 57 46 0.00 0.0
1986 68 47 0.00 0.0
1985 73 50 0.00 0.0
1984 55 28 0.00 0.0
1983 68 47 0.00 0.0
1982 63 n/a 0.00 0.0
1981 70 44 0.00 0.0
1980 85 51 0.00 0.0
1979 77 37 0.00 0.0
1978 62 40 0.08 0.0
1977 68 50 0.68 0.0
1976 82 39 0.00 0.0
1975 70 35 0.00 0.0
1974 67 45 0.00 0.0
1973 72 41 0.00 0.0
1972 69 40 0.00 0.0
1971 59 28 0.00 0.0
1970 55 41 0.53 0.0
1969 63 43 0.00 0.0
1968 55 40 0.00 0.0
1967 54 29 0.00 0.0
1966 72 42 0.00 0.0
1965 53 40 0.00 0.0
1964 60 41 0.00 0.0
1963 65 36 0.00 0.0
1962 61 50 0.60 0.0
1961 59 40 0.00 0.0
1960 65 42 0.00 0.0
1959 75 43 0.00 0.0
1958 81 43 0.00 0.0
1957 63 46 1.00 0.0
1956 72 52 0.00 0.0
1955 62 43 0.00 0.0
1954 71 42 0.00 0.0
1953 68 44 0.00 0.0
1952 55 48 0.00 0.0
1951 65 44 0.00 0.0
1950 70 53 0.00 0.0
1949 58 41 0.00 0.0
1948 56 32 1.12 0.0
1947 58 46 0.00 0.0
1946 58 37 0.00 0.0
1945 67 44 0.00 0.0
1944 68 43 0.00 0.0
1943 69 54 0.00 0.0
1942 70 37 0.00 n/a
1941 60 47 0.58 n/a
1940 64 54 0.53 n/a
1939 72 42 0.00 n/a
1938 66 46 n/a n/a
1937 73 53 0.00 n/a
1936 63 49 n/a n/a
1935 73 32 0.00 n/a
1934 59 46 0.00 n/a
1933 60 33 0.00 n/a
1932 65 37 0.05 n/a
1931 67 35 0.00 n/a
1930 64 42 0.00 n/a
1929 76 52 0.00 n/a
1928 n/a 33 0.00 n/a
1927 60 43 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 1.20 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 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 12/17?
For the date of Dec 17, the highest temperature ever reached in San Luis Obispo history is 85 °F which happened in 1980.
Highest Temperatures in San Luis Obispo on December 17
Rank Temperature Year
1 85 °F 1980
2 82 °F 1976
2 82 °F 2013
4 81 °F 1958
5 79 °F 1999
6 78 °F 2023
6 78 °F 1998
8 77 °F 1979
9 76 °F 1929
10 75 °F 1991
10 75 °F 1959
What's the all-time low for San Luis Obispo on 12/17?
For the date of Dec 17, the lowest temperature ever reached in San Luis Obispo history is 28 °F which has happened 2 times, most recently in 1984.
Lowest Temperatures in San Luis Obispo on December 17
Rank Temperature Year
1 28 °F 1984
1 28 °F 1971
3 29 °F 2022
3 29 °F 1967
5 32 °F 1935
5 32 °F 1948
7 33 °F 1990
7 33 °F 1933
7 33 °F 1988
7 33 °F 1928
Lowest High Temperatures in San Luis Obispo on December 17
Rank Temperature Year
1 53 °F 1965
2 54 °F 1967
2 54 °F 2008
4 55 °F 1984
4 55 °F 1952
4 55 °F 1970
4 55 °F 1990
4 55 °F 1968
9 56 °F 2002
9 56 °F 1948
What's the most it has ever rained in San Luis Obispo on 12/17?
For the date of Dec 17, the most precipitation ever recorded in San Luis Obispo history is 1.40 inches which happened in 1988.
All-Time Most Precipitation in San Luis Obispo on December 17
Rank Precipitation Year
1 1.40 inches 1988
2 1.20 inches 1914
3 1.12 inches 1948
4 1.00 inches 1957
5 0.68 inches 1977
6 0.65 inches 2010
7 0.60 inches 1962
8 0.58 inches 1941
9 0.53 inches 1970
9 0.53 inches 1940
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy