San Luis Obispo, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° -9.4° (1963) 31.1° (1976) 4.95" 0"
February 17° -2.2° (1990) 31.7° (1995) 5.28" 0"
March 18° -2.2° (1962) 32.8° (2004) 3.97" 0"
April 19° -1.7° (1975) 40° (1989) 1.39" 0"
May 10° 21° 1.1° (1990) 38.9° (2000) 0.47" 0"
June 11° 23° 2.8° (1991) 41.1° (1976) 0.1" 0"
July 13° 25° 5° (1971) 41.1° (1973) 0.02" 0"
August 13° 25° 4.4° (1970) 40.6° (1962) 0.04" 0"
September 13° 25° 4.4° (1948) 44.4° (1971) 0.26" 0"
October 11° 23° -1.1° (1971) 42.8° (1980) 0.93" 0"
November 20° -5° (2004) 36.7° (1997) 2.16" 0"
December 16° -11.1° (1987) 33.3° (1958) 3.71" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 18° 2° (1951) 33° (1966) 0.07" 0"
Apr 2 18° 1° (1982) 33° (1959) 0.07" 0"
Apr 3 18° 1° (1984) 32° (1966) 0.07" 0"
Apr 4 18° 0° (1999) 34° (1961) 0.07" 0"
Apr 5 18° 1° (1999) 32° (1961) 0.07" 0"
Apr 6 18° 1° (1983) 37° (1989) 0.06" 0"
Apr 7 19° 1° (1978) 38° (1989) 0.06" 0"
Apr 8 19° 1° (1953) 40° (1989) 0.05" 0"
Apr 9 19° -1° (1984) 37° (1989) 0.05" 0"
Apr 10 19° 3° (1963) 29° (1968) 0.05" 0"
Apr 11 19° 1° (1965) 31° (1968) 0.04" 0"
Apr 12 19° 1° (1983) 32° (1990) 0.05" 0"
Apr 13 19° 1° (1983) 31° (1990) 0.04" 0"
Apr 14 19° 0° (1970) 35° (1985) 0.05" 0"
Apr 15 19° 1° (2009) 34° (1964) 0.04" 0"
Apr 16 19° 2° (1975) 34° (1966) 0.04" 0"
Apr 17 19° 3° (1967) 32° (1999) 0.04" 0"
Apr 18 19° 1° (1979) 32° (1952) 0.04" 0"
Apr 19 19° 2° (1972) 32° (1950) 0.04" 0"
Apr 20 19° -1° (1972) 33° (2009) 0.04" 0"
Apr 21 20° 1° (1963) 36° (2009) 0.04" 0"
Apr 22 20° 3° (1970) 34° (2009) 0.03" 0"
Apr 23 20° 2° (1970) 32° (1949) 0.04" 0"
Apr 24 20° 3° (1975) 30° (1995) 0.04" 0"
Apr 25 20° 3° (1974) 32° (1992) 0.04" 0"
Apr 26 20° -2° (1975) 33° (1992) 0.04" 0"
Apr 27 20° 1° (1984) 39° (2004) 0.03" 0"
Apr 28 20° 1° (1970) 35° (2004) 0.03" 0"
Apr 29 20° 2° (1967) 35° (1981) 0.03" 0"
Apr 30 20° 2° (1975) 34° (1959) 0.03" 0"
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