Cal Poly University, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 42° 65° 15° (1963) 88° (1976) 5.28" 0"
February 44° 66° 28° (1990) 89° (1995) 5.41" 0"
March 45° 67° 28° (1962) 91° (2004) 4.48" 0"
April 45° 71° 29° (1975) 104° (1989) 1.31" 0"
May 48° 73° 34° (1990) 102° (2000) 0.47" 0"
June 51° 78° 37° (1991) 106° (1976) 0.09" 0"
July 53° 80° 41° (1971) 106° (1973) 0.03" 0"
August 53° 82° 40° (1970) 105° (1962) 0.08" 0"
September 53° 82° 40° (1948) 112° (1971) 0.44" 0"
October 50° 79° 30° (1971) 109° (1980) 0.99" 0"
November 46° 72° 23° (2004) 98° (1997) 2.17" 0"
December 42° 66° 12° (1987) 92° (1958) 3.61" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 54° 82° 42° (1963) 105° (1955) 0.01" NA
Sep 2 53° 82° 46° (1999) 110° (1955) 0.01" NA
Sep 3 53° 82° 48° (1973) 105° (1955) 0.01" NA
Sep 4 53° 82° 47° (1954) 97° (1982) 0.01" NA
Sep 5 53° 82° 46° (1954) 99° (1961) 0.01" NA
Sep 6 53° 82° 47° (1954) 101° (2004) 0.01" NA
Sep 7 53° 82° 43° (1954) 102° (2004) 0.01" NA
Sep 8 53° 82° 45° (1992) 105° (2004) 0.01" NA
Sep 9 53° 82° 44° (1964) 101° (1984) 0.01" NA
Sep 10 53° 82° 45° (1964) 101° (1984) 0.01" NA
Sep 11 53° 82° 45° (1991) 102° (1979) 0.01" NA
Sep 12 53° 82° 45° (1985) 107° (1983) 0.01" NA
Sep 13 53° 82° 42° (1952) 101° (1948) 0.01" NA
Sep 14 53° 82° 43° (1970) 112° (1971) 0.01" NA
Sep 15 53° 82° 43° (1952) 100° (1948) 0.01" NA
Sep 16 53° 82° 45° (1974) 105° (1979) 0.01" NA
Sep 17 53° 82° 43° (1986) 99° (1979) 0.02" NA
Sep 18 53° 82° 41° (1974) 98° (1984) 0.02" NA
Sep 19 53° 82° 41° (1989) 93° (1984) 0.02" NA
Sep 20 53° 82° 44° (1968) 99° (1958) 0.02" NA
Sep 21 53° 82° 45° (1970) 94° (1967) 0.02" NA
Sep 22 53° 82° 43° (1970) 95° (1972) 0.02" NA
Sep 23 53° 82° 41° (1962) 104° (1949) 0.02" NA
Sep 24 52° 82° 45° (1971) 102° (1978) 0.02" NA
Sep 25 52° 81° 42° (1948) 105° (1978) 0.02" NA
Sep 26 52° 81° 40° (1948) 102° (1978) 0.02" NA
Sep 27 52° 81° 45° (1998) 104° (1993) 0.02" NA
Sep 28 52° 81° 43° (1964) 100° (1970) 0.02" NA
Sep 29 52° 81° 42° (1948) 100° (1984) 0.02" NA
Sep 30 52° 81° 41° (1954) 97° (1980) 0.02" NA
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