San Luis Obispo, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° -9.4° (1963) 31.1° (1976) 5.28" 0"
February 19° -2.2° (1990) 31.7° (1995) 5.41" 0"
March 19° -2.2° (1962) 32.8° (2004) 4.48" 0"
April 22° -1.7° (1975) 40° (1989) 1.31" 0"
May 23° 1.1° (1990) 38.9° (2000) 0.47" 0"
June 11° 26° 2.8° (1991) 41.1° (1976) 0.09" 0"
July 12° 27° 5° (1971) 41.1° (1973) 0.03" 0"
August 12° 28° 4.4° (1970) 40.6° (1962) 0.08" 0"
September 12° 28° 4.4° (1948) 44.4° (1971) 0.44" 0"
October 10° 26° -1.1° (1971) 42.8° (1980) 0.99" 0"
November 22° -5° (2004) 36.7° (1997) 2.17" 0"
December 19° -11.1° (1987) 33.3° (1958) 3.61" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 12.2° 27.8° 6° (1963) 41° (1955) 0.01" NA
Sep 2 11.7° 27.8° 8° (1999) 43° (1955) 0.01" NA
Sep 3 11.7° 27.8° 9° (1973) 41° (1955) 0.01" NA
Sep 4 11.7° 27.8° 8° (1954) 36° (1982) 0.01" NA
Sep 5 11.7° 27.8° 8° (1954) 37° (1961) 0.01" NA
Sep 6 11.7° 27.8° 8° (1954) 38° (2004) 0.01" NA
Sep 7 11.7° 27.8° 6° (1954) 39° (2004) 0.01" NA
Sep 8 11.7° 27.8° 7° (1992) 41° (2004) 0.01" NA
Sep 9 11.7° 27.8° 7° (1964) 38° (1984) 0.01" NA
Sep 10 11.7° 27.8° 7° (1964) 38° (1984) 0.01" NA
Sep 11 11.7° 27.8° 7° (1991) 39° (1979) 0.01" NA
Sep 12 11.7° 27.8° 7° (1985) 42° (1983) 0.01" NA
Sep 13 11.7° 27.8° 6° (1952) 38° (1948) 0.01" NA
Sep 14 11.7° 27.8° 6° (1970) 44° (1971) 0.01" NA
Sep 15 11.7° 27.8° 6° (1952) 38° (1948) 0.01" NA
Sep 16 11.7° 27.8° 7° (1974) 41° (1979) 0.01" NA
Sep 17 11.7° 27.8° 6° (1986) 37° (1979) 0.02" NA
Sep 18 11.7° 27.8° 5° (1974) 37° (1984) 0.02" NA
Sep 19 11.7° 27.8° 5° (1989) 34° (1984) 0.02" NA
Sep 20 11.7° 27.8° 7° (1968) 37° (1958) 0.02" NA
Sep 21 11.7° 27.8° 7° (1970) 34° (1967) 0.02" NA
Sep 22 11.7° 27.8° 6° (1970) 35° (1972) 0.02" NA
Sep 23 11.7° 27.8° 5° (1962) 40° (1949) 0.02" NA
Sep 24 11.1° 27.8° 7° (1971) 39° (1978) 0.02" NA
Sep 25 11.1° 27.2° 6° (1948) 41° (1978) 0.02" NA
Sep 26 11.1° 27.2° 4° (1948) 39° (1978) 0.02" NA
Sep 27 11.1° 27.2° 7° (1998) 40° (1993) 0.02" NA
Sep 28 11.1° 27.2° 6° (1964) 38° (1970) 0.02" NA
Sep 29 11.1° 27.2° 6° (1948) 38° (1984) 0.02" NA
Sep 30 11.1° 27.2° 5° (1954) 36° (1980) 0.02" NA
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