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
Jan 1 41° 65° 31° (1974) 83° (1981) 0.14" NA
Jan 2 41° 65° 30° (1960) 79° (2001) 0.15" NA
Jan 3 41° 65° 27° (1952) 83° (2001) 0.15" NA
Jan 4 41° 65° 28° (1971) 82° (2001) 0.15" NA
Jan 5 41° 65° 29° (1949) 85° (2001) 0.15" NA
Jan 6 41° 65° 29° (1970) 79° (1958) 0.15" NA
Jan 7 41° 65° 27° (1982) 79° (1969) 0.16" NA
Jan 8 41° 64° 29° (1950) 81° (2003) 0.16" NA
Jan 9 42° 64° 30° (1971) 79° (2007) 0.16" NA
Jan 10 42° 64° 27° (1949) 81° (1962) 0.16" NA
Jan 11 42° 64° 30° (1949) 78° (1999) 0.16" NA
Jan 12 42° 64° 15° (1963) 79° (1961) 0.17" NA
Jan 13 42° 64° 27° (1963) 82° (1983) 0.17" NA
Jan 14 42° 64° 24° (2007) 82° (1983) 0.17" NA
Jan 15 42° 64° 31° (1962) 81° (1983) 0.17" NA
Jan 16 42° 64° 31° (1963) 78° (1976) 0.17" NA
Jan 17 42° 64° 26° (1987) 88° (1976) 0.17" NA
Jan 18 42° 64° 26° (1987) 85° (1976) 0.17" NA
Jan 19 42° 64° 31° (1963) 83° (1994) 0.18" NA
Jan 20 42° 65° 32° (1963) 84° (1961) 0.18" NA
Jan 21 42° 65° 25° (1963) 83° (1976) 0.18" NA
Jan 22 42° 65° 31° (2007) 79° (1976) 0.18" NA
Jan 23 42° 65° 31° (2007) 80° (1976) 0.18" NA
Jan 24 42° 65° 30° (1949) 81° (1968) 0.18" NA
Jan 25 42° 65° 31° (1949) 79° (1968) 0.18" NA
Jan 26 42° 65° 29° (1949) 81° (1951) 0.19" NA
Jan 27 43° 65° 29° (1949) 82° (2003) 0.19" NA
Jan 28 43° 65° 27° (1957) 82° (1986) 0.19" NA
Jan 29 43° 65° 27° (1979) 82° (1976) 0.19" NA
Jan 30 43° 65° 31° (1969) 80° (1984) 0.19" NA
Jan 31 43° 65° 30° (1975) 82° (1962) 0.19" NA
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