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
Dec 1 17° 0° (2004) 28° (1995) 0.09" 0"
Dec 2 17° 1° (1978) 29° (1959) 0.09" 0"
Dec 3 17° 1° (1991) 30° (1959) 0.1" 0"
Dec 4 17° 1° (1948) 33° (1958) 0.1" 0"
Dec 5 17° 0° (1948) 28° (1958) 0.09" 0"
Dec 6 17° 0° (2005) 29° (1962) 0.1" 0"
Dec 7 16° -2° (1978) 27° (1962) 0.1" 0"
Dec 8 16° -1° (1960) 28° (1989) 0.11" 0"
Dec 9 16° -1° (1978) 30° (1975) 0.11" 0"
Dec 10 16° -1° (1972) 29° (1957) 0.11" 0"
Dec 11 16° -4° (1972) 27° (1957) 0.11" 0"
Dec 12 16° -3° (1972) 28° (1958) 0.1" 0"
Dec 13 16° -11° (1987) 27° (1988) 0.11" 0"
Dec 14 16° -2° (1967) 28° (1953) 0.12" 0"
Dec 15 16° -1° (1987) 28° (1953) 0.12" 0"
Dec 16 16° -2° (1967) 27° (1980) 0.12" 0"
Dec 17 16° -2° (1971) 29° (1980) 0.13" 0"
Dec 18 16° -4° (1971) 28° (1998) 0.12" 0"
Dec 19 16° -4° (1971) 28° (2000) 0.13" 0"
Dec 20 16° -4° (1971) 28° (2000) 0.13" 0"
Dec 21 16° -1° (1967) 27° (1999) 0.13" 0"
Dec 22 16° -3° (1968) 26° (2000) 0.14" 0"
Dec 23 16° -8° (1990) 25° (1960) 0.13" 0"
Dec 24 16° -7° (1998) 27° (1999) 0.14" 0"
Dec 25 16° -3° (1948) 27° (1985) 0.13" 0"
Dec 26 16° -3° (1987) 27° (1980) 0.14" 0"
Dec 27 16° -2° (1987) 28° (1980) 0.14" 0"
Dec 28 16° -1° (1962) 27° (1956) 0.14" 0"
Dec 29 16° -2° (1962) 29° (1956) 0.14" 0"
Dec 30 16° -1° (1988) 27° (1956) 0.15" 0"
Dec 31 16° -1° (1987) 29° (1980) 0.14" 0"
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