San Luis Obispo January 31 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of January 31.
January 31 All-Time Records
1893–2024
Highest temperature 86 °F 2018
Lowest temperature 29 °F 2002
Lowest daily high 45 °F 1939
Highest daily low 58 °F 1931
Most precipitation 2.30 inches 1963
January 31 Average Weather
1991–2020 1
Average high 66.0 °F
Average low 42.5 °F
Chance precipitation 31.6%
San Luis Obispo January 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 64 46 0.43 n/a
2023 64 35 0.00 n/a
2022 69 39 0.00 n/a
2021 66 37 0.00 n/a
2020 77 45 0.00 0.0
2019 61 49 0.92 n/a
2018 86 42 0.00 n/a
2017 76 41 0.00 0.0
2016 56 47 1.17 n/a
2015 74 47 0.00 0.0
2014 64 45 0.00 0.0
2013 72 37 0.00 0.0
2012 70 46 0.00 0.0
2011 62 42 0.00 n/a
2010 64 42 0.00 n/a
2009 75 37 0.00 n/a
2008 60 39 0.00 n/a
2007 59 43 0.00 n/a
2006 64 46 0.00 n/a
2005 67 36 0.00 n/a
2004 58 44 0.00 n/a
2003 85 48 0.00 n/a
2002 58 29 0.00 n/a
2001 65 33 0.00 n/a
2000 63 45 0.00 n/a
1999 56 45 0.65 n/a
1998 68 43 0.07 0.0
1997 74 41 0.00 0.0
1996 61 40 0.60 0.0
1995 68 47 0.00 0.0
1994 69 40 0.00 0.0
1993 66 44 0.00 0.0
1992 79 42 0.00 0.0
1991 68 n/a 0.00 0.0
1990 55 39 n/a n/a
1989 73 37 0.00 0.0
1988 63 41 0.00 0.0
1987 57 43 0.09 0.0
1986 64 55 0.31 0.0
1985 56 35 0.00 0.0
1984 74 42 0.00 0.0
1983 63 40 0.00 0.0
1982 68 38 0.00 0.0
1981 55 38 0.05 0.0
1980 67 44 0.00 0.0
1979 50 37 0.76 0.0
1978 65 44 0.00 0.0
1977 67 43 0.00 0.0
1976 74 48 0.00 0.0
1975 56 30 0.00 0.0
1974 64 39 0.00 0.0
1973 56 40 0.40 0.0
1972 65 38 0.00 0.0
1971 72 41 0.00 0.0
1970 61 38 0.00 0.0
1969 53 37 0.04 0.0
1968 56 41 1.07 0.0
1967 58 48 0.99 0.0
1966 56 33 0.01 0.0
1965 74 41 0.00 0.0
1964 60 45 0.00 0.0
1963 59 52 2.30 0.0
1962 82 45 0.00 0.0
1961 70 42 0.01 0.0
1960 71 43 0.00 0.0
1959 65 48 0.00 0.0
1958 62 44 0.00 0.0
1957 56 36 0.00 0.0
1956 60 40 0.00 0.0
1955 59 42 0.73 0.0
1954 65 55 0.00 0.0
1953 72 48 0.00 0.0
1952 65 44 0.00 0.0
1951 54 38 0.00 0.0
1950 54 39 0.00 0.0
1949 54 36 0.00 0.0
1948 66 40 0.00 0.0
1947 62 41 0.00 0.0
1946 64 35 0.00 0.0
1945 62 40 0.16 0.0
1944 60 46 0.00 0.0
1943 54 43 0.11 n/a
1942 60 48 0.02 n/a
1941 64 41 n/a n/a
1940 62 53 0.18 n/a
1939 45 35 0.79 n/a
1938 55 36 n/a n/a
1937 56 38 0.52 n/a
1936 64 42 0.01 n/a
1935 78 52 0.00 n/a
1934 59 41 0.00 n/a
1933 60 40 0.00 n/a
1932 51 44 0.60 n/a
1931 58 58 0.00 n/a
1930 61 50 n/a n/a
1929 56 44 0.00 n/a
1928 69 45 0.09 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 2.13 n/a
1910 n/a n/a 0.00 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 0.00 n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 0.02 n/a
What's the all-time high for San Luis Obispo on 1/31?
For the date of Jan 31, the highest temperature ever reached in San Luis Obispo history is 86 °F which happened in 2018.
Highest Temperatures in San Luis Obispo on January 31
Rank Temperature Year
1 86 °F 2018
2 85 °F 2003
3 82 °F 1962
4 79 °F 1992
5 78 °F 1935
6 77 °F 2020
7 76 °F 2017
8 75 °F 2009
9 74 °F 2015
9 74 °F 1997
9 74 °F 1976
9 74 °F 1984
9 74 °F 1965
What's the all-time low for San Luis Obispo on 1/31?
For the date of Jan 31, the lowest temperature ever reached in San Luis Obispo history is 29 °F which happened in 2002.
Lowest Temperatures in San Luis Obispo on January 31
Rank Temperature Year
1 29 °F 2002
2 30 °F 1975
3 33 °F 2001
3 33 °F 1966
5 35 °F 1946
5 35 °F 1939
5 35 °F 2023
5 35 °F 1985
9 36 °F 1949
9 36 °F 1957
9 36 °F 2005
9 36 °F 1938
Lowest High Temperatures in San Luis Obispo on January 31
Rank Temperature Year
1 45 °F 1939
2 50 °F 1979
3 51 °F 1932
4 53 °F 1969
5 54 °F 1951
5 54 °F 1943
5 54 °F 1950
5 54 °F 1949
9 55 °F 1990
9 55 °F 1981
9 55 °F 1938
What's the most it has ever rained in San Luis Obispo on 1/31?
For the date of Jan 31, the most precipitation ever recorded in San Luis Obispo history is 2.30 inches which happened in 1963.
All-Time Most Precipitation in San Luis Obispo on January 31
Rank Precipitation Year
1 2.30 inches 1963
2 2.13 inches 1911
3 1.17 inches 2016
4 1.07 inches 1968
5 0.99 inches 1967
6 0.92 inches 2019
7 0.79 inches 1939
8 0.76 inches 1979
9 0.73 inches 1955
10 0.65 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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