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
May 1 7.8° 22.2° 1° (1990) 36° (1996) 0.02" NA
May 2 7.8° 22.2° 1° (1990) 36° (1996) 0.02" NA
May 3 7.8° 22.2° 3° (1986) 38° (2004) 0.02" NA
May 4 7.8° 22.2° 2° (1964) 32° (1970) 0.02" NA
May 5 8.3° 22.2° 3° (1986) 30° (1953) 0.02" NA
May 6 8.3° 22.2° 2° (1964) 33° (1989) 0.02" NA
May 7 8.3° 22.2° 3° (1950) 32.2° (2007) 0.02" NA
May 8 8.3° 22.2° 3° (1999) 34° (1984) 0.02" NA
May 9 8.3° 22.2° 4° (1979) 35° (1984) 0.02" NA
May 10 8.3° 22.2° 3° (1991) 35° (1993) 0.02" NA
May 11 8.3° 22.8° 4° (1974) 33° (1973) 0.02" NA
May 12 8.3° 22.8° 3° (1988) 36° (1996) 0.02" NA
May 13 8.3° 22.8° 4° (1991) 34° (1976) 0.02" NA
May 14 8.3° 22.8° 4° (1955) 36° (1979) 0.02" NA
May 15 8.3° 22.8° 3° (1984) 34° (1970) 0.02" NA
May 16 8.3° 22.8° 4° (1971) 37° (1970) 0.02" NA
May 17 8.9° 22.8° 6° (1974) 37° (1970) 0.01" NA
May 18 8.9° 22.8° 2° (1974) 29° (1970) 0.01" NA
May 19 8.9° 22.8° 2° (1974) 33° (1988) 0.01" NA
May 20 8.9° 22.8° 2° (1974) 34° (2003) 0.01" NA
May 21 8.9° 23.3° 2° (1974) 34° (2003) 0.01" NA
May 22 8.9° 23.3° 2° (1974) 39° (2000) 0.01" NA
May 23 8.9° 23.3° 4° (1960) 35° (2000) 0.01" NA
May 24 8.9° 23.3° 3° (1978) 32° (1949) 0.01" NA
May 25 8.9° 23.3° 4° (1980) 34° (1949) 0.01" NA
May 26 8.9° 23.3° 4° (1980) 36° (1951) 0.01" NA
May 27 9.4° 23.9° 6° (1998) 37° (1974) 0.01" NA
May 28 9.4° 23.9° 5° (1953) 33° (2003) 0.01" NA
May 29 9.4° 23.9° 5° (1976) 36° (1973) 0.01" NA
May 30 9.4° 23.9° 4° (1967) 34° (1978) 0.01" NA
May 31 9.4° 23.9° 6° (1988) 33° (1997) 0.01" NA
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