Cal Poly SLO, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 44° 61° 15° (1963) 88° (1976) 4.95" 0"
February 45° 62° 28° (1990) 89° (1995) 5.28" 0"
March 46° 64° 28° (1962) 91° (2004) 3.97" 0"
April 47° 66° 29° (1975) 104° (1989) 1.39" 0"
May 49° 69° 34° (1990) 102° (2000) 0.47" 0"
June 52° 73° 37° (1991) 106° (1976) 0.1" 0"
July 55° 76° 41° (1971) 106° (1973) 0.02" 0"
August 55° 77° 40° (1970) 105° (1962) 0.04" 0"
September 54° 77° 40° (1948) 112° (1971) 0.26" 0"
October 52° 74° 30° (1971) 109° (1980) 0.93" 0"
November 47° 67° 23° (2004) 98° (1997) 2.16" 0"
December 43° 61° 12° (1987) 92° (1958) 3.71" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 55° 78° 42° (1963) 105° (1955) 0" 0"
Sep 2 55° 78° 46° (1999) 110° (1955) 0" 0"
Sep 3 55° 78° 48° (1973) 105° (1955) 0.01" 0"
Sep 4 55° 78° 47° (1954) 97° (1982) 0" 0"
Sep 5 55° 78° 46° (1954) 99° (1961) 0" 0"
Sep 6 55° 78° 47° (1954) 101° (2004) 0" 0"
Sep 7 55° 78° 43° (1954) 102° (2004) 0" 0"
Sep 8 55° 78° 45° (1992) 105° (2004) 0.01" 0"
Sep 9 55° 78° 44° (1964) 101° (1984) 0" 0"
Sep 10 55° 77° 45° (1964) 101° (1984) 0" 0"
Sep 11 55° 77° 45° (1991) 102° (1979) 0.01" 0"
Sep 12 55° 77° 45° (1985) 107° (1983) 0" 0"
Sep 13 55° 77° 42° (1952) 101° (1948) 0.01" 0"
Sep 14 55° 77° 43° (1970) 112° (1971) 0" 0"
Sep 15 55° 77° 43° (1952) 100° (1948) 0.01" 0"
Sep 16 54° 77° 45° (1974) 105° (1979) 0.01" 0"
Sep 17 54° 77° 43° (1986) 99° (1979) 0.01" 0"
Sep 18 54° 77° 41° (1974) 98° (1984) 0.02" 0"
Sep 19 54° 77° 41° (1989) 93° (1984) 0.01" 0"
Sep 20 54° 77° 44° (1968) 99° (1958) 0.01" 0"
Sep 21 54° 76° 45° (1970) 94° (1967) 0.01" 0"
Sep 22 54° 76° 43° (1970) 95° (1972) 0.02" 0"
Sep 23 54° 76° 41° (1962) 104° (1949) 0.01" 0"
Sep 24 54° 76° 45° (1971) 102° (1978) 0.02" 0"
Sep 25 54° 76° 42° (1948) 105° (1978) 0.01" 0"
Sep 26 54° 76° 40° (1948) 104° (2010) 0.02" 0"
Sep 27 54° 76° 45° (1998) 109° (2010) 0.01" 0"
Sep 28 54° 76° 43° (1964) 107° (2010) 0.02" 0"
Sep 29 53° 76° 42° (1948) 100° (1984) 0.01" 0"
Sep 30 53° 75° 41° (1954) 97° (1980) 0.02" 0"
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