San Francisco, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 37° -27° (1989) 61° (2000) 0.36" NA
February 15° 41° -28° (1989) 61° (1986) 0.45" NA
March 25° 50° -13° (1984) 74° (1997) 0.6" NA
April 30° 59° 2° (1983) 79° (1989) 0.75" NA
May 37° 69° 14° (1984) 90° (2002) 0.91" NA
June 45° 79° 25° (1990) 94° (1990) 0.84" NA
July 50° 82° 32° (1997) 93° (1990) 1.55" NA
August 48° 79° 30° (1988) 91° (2002) 1.8" NA
September 41° 73° 16° (1999) 87° (2002) 1.27" NA
October 31° 62° -1° (1991) 79° (2000) 0.9" NA
November 22° 48° -16° (1984) 69° (1980) 0.59" NA
December 12° 38° -27° (1990) 61° (1999) 0.44" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 45° 77° 34° (1980) 84° (1985) 0.05" NA
Sep 2 45° 77° 34° (1980) 82° (1983) 0.05" NA
Sep 3 45° 77° 33° (1980) 83° (1995) 0.04" NA
Sep 4 44° 76° 32° (1980) 85° (1995) 0.05" NA
Sep 5 44° 76° 34° (1988) 84° (1995) 0.04" NA
Sep 6 44° 76° 32° (1985) 82° (2002) 0.05" NA
Sep 7 43° 76° 33° (1985) 87° (2002) 0.05" NA
Sep 8 43° 76° 33° (1987) 82° (1998) 0.04" NA
Sep 9 43° 75° 27° (2001) 80° (1998) 0.04" NA
Sep 10 42° 75° 27° (2001) 79° (1983) 0.05" NA
Sep 11 42° 75° 28° (1987) 80° (2001) 0.04" NA
Sep 12 42° 75° 30° (1987) 79° (2005) 0.04" NA
Sep 13 41° 74° 25° (1985) 84° (2001) 0.04" NA
Sep 14 41° 74° 25° (1985) 82° (1990) 0.04" NA
Sep 15 41° 74° 25° (1987) 80° (2000) 0.04" NA
Sep 16 40° 73° 25° (1987) 81° (2000) 0.04" NA
Sep 17 40° 73° 29° (1980) 82° (2000) 0.04" NA
Sep 18 40° 73° 28° (1987) 81° (2000) 0.04" NA
Sep 19 39° 72° 26° (1988) 82° (2004) 0.04" NA
Sep 20 39° 72° 26° (1988) 79° (1997) 0.04" NA
Sep 21 39° 72° 17° (1983) 82° (2005) 0.05" NA
Sep 22 38° 71° 23° (1983) 81° (2005) 0.04" NA
Sep 23 38° 71° 23° (1985) 78° (1981) 0.04" NA
Sep 24 38° 71° 21° (2000) 79° (2001) 0.05" NA
Sep 25 37° 70° 19° (2000) 79° (1998) 0.04" NA
Sep 26 37° 70° 20° (1985) 80° (2001) 0.04" NA
Sep 27 37° 70° 20° (1985) 79° (2001) 0.04" NA
Sep 28 36° 69° 20° (1999) 80° (1998) 0.04" NA
Sep 29 36° 69° 16° (1999) 79° (1998) 0.03" NA
Sep 30 36° 68° 17° (1999) 78° (2001) 0.04" NA
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