Cal Poly SLO, 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
Apr 1 45° 69° 35° (1951) 91° (1966) 0.09" NA
Apr 2 45° 69° 34° (1982) 92° (1959) 0.08" NA
Apr 3 45° 69° 33° (1984) 90° (1966) 0.08" NA
Apr 4 45° 69° 32° (1999) 94° (1961) 0.08" NA
Apr 5 45° 70° 33° (1999) 90° (1961) 0.07" NA
Apr 6 45° 70° 34° (1983) 98° (1989) 0.07" NA
Apr 7 45° 70° 34° (1978) 100° (1989) 0.06" NA
Apr 8 45° 70° 33° (1953) 104° (1989) 0.06" NA
Apr 9 45° 70° 31° (1984) 98° (1989) 0.06" NA
Apr 10 45° 70° 37° (1963) 85° (1968) 0.05" NA
Apr 11 45° 70° 34° (1965) 88° (1968) 0.05" NA
Apr 12 45° 71° 34° (1983) 89° (1990) 0.05" NA
Apr 13 45° 71° 33° (1983) 87° (1990) 0.04" NA
Apr 14 45° 71° 32° (1970) 95° (1985) 0.04" NA
Apr 15 45° 71° 36° (1970) 94° (1964) 0.04" NA
Apr 16 45° 71° 35° (1975) 94° (1966) 0.04" NA
Apr 17 45° 71° 37° (1967) 90° (1999) 0.04" NA
Apr 18 45° 71° 33° (1979) 89° (1952) 0.03" NA
Apr 19 46° 71° 36° (1972) 89° (1950) 0.03" NA
Apr 20 46° 71° 31° (1972) 86° (1958) 0.03" NA
Apr 21 46° 71° 34° (1963) 92° (1986) 0.03" NA
Apr 22 46° 72° 37° (1970) 91° (1986) 0.03" NA
Apr 23 46° 72° 35° (1970) 90° (1949) 0.02" NA
Apr 24 46° 72° 38° (1975) 86° (1995) 0.02" NA
Apr 25 46° 72° 37° (1974) 90° (1992) 0.02" NA
Apr 26 46° 72° 29° (1975) 91° (1992) 0.02" NA
Apr 27 46° 72° 33° (1984) 103° (2004) 0.02" NA
Apr 28 46° 72° 33° (1970) 95° (2004) 0.02" NA
Apr 29 46° 72° 35° (1967) 95° (1981) 0.02" NA
Apr 30 46° 72° 36° (1975) 94° (1959) 0.02" NA
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