Penitentiary, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 49° -23° (1963) 76° (2005) 0.49" 6.8"
February 21° 50° -16° (1989) 77° (1986) 0.48" 5.9"
March 27° 57° -8° (2002) 82° (1989) 1.14" 7.8"
April 34° 64° 7° (1989) 88° (1989) 1.53" 4.3"
May 43° 73° 15° (1978) 98° (2000) 1.41" 0.7"
June 52° 84° 20° (1975) 102° (1998) 1.12" 0"
July 58° 89° 41° (1978) 107° (1954) 1.97" 0"
August 57° 86° 37° (1968) 100° (2002) 2.23" 0"
September 48° 79° 25° (1985) 100° (1971) 1.03" 0.1"
October 37° 68° 12° (1993) 91° (1979) 0.9" 2"
November 27° 57° -24° (1976) 83° (1999) 0.65" 5.6"
December 19° 48° -25° (1990) 76° (1980) 0.54" 7.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 48° 79° 34° (1979) 98° (2002) 0.04" 0"
Jun 2 48° 79° 33° (1969) 97° (2002) 0.03" 0"
Jun 3 49° 79° 34° (1951) 95° (2008) 0.04" 0"
Jun 4 49° 80° 39° (1951) 93° (1977) 0.04" 0"
Jun 5 49° 80° 37° (1970) 95° (1977) 0.04" 0"
Jun 6 50° 80° 37° (1978) 96° (2006) 0.03" 0"
Jun 7 50° 81° 35° (1954) 98° (2004) 0.04" 0"
Jun 8 50° 81° 37° (2007) 99° (2004) 0.04" 0"
Jun 9 50° 81° 35° (1969) 97° (1985) 0.03" 0"
Jun 10 51° 82° 33° (1975) 98° (1981) 0.04" 0"
Jun 11 51° 82° 32° (1975) 96° (2001) 0.03" 0"
Jun 12 51° 82° 30° (1969) 98° (2001) 0.04" 0"
Jun 13 52° 83° 34° (1969) 98° (1952) 0.03" 0"
Jun 14 52° 83° 39° (2001) 98° (1952) 0.04" 0"
Jun 15 52° 84° 38° (2001) 97° (1952) 0.03" 0"
Jun 16 52° 84° 41° (1998) 96° (1978) 0.04" 0"
Jun 17 53° 84° 41° (1969) 95° (1960) 0.03" 0"
Jun 18 53° 85° 40° (1969) 96° (2001) 0.04" 0"
Jun 19 53° 85° 32° (1969) 97° (2002) 0.04" 0"
Jun 20 53° 85° 46° (1998) 99° (1968) 0.03" 0"
Jun 21 54° 86° 43° (1978) 98° (1968) 0.04" 0"
Jun 22 54° 86° 44° (1989) 97° (1978) 0.03" 0"
Jun 23 54° 86° 43° (1989) 100° (1954) 0.04" 0"
Jun 24 54° 86° 41° (1969) 100° (1971) 0.04" 0"
Jun 25 55° 87° 45° (1958) 100° (1980) 0.04" 0"
Jun 26 55° 87° 45° (1968) 102° (2007) 0.04" 0"
Jun 27 55° 87° 38° (1985) 100° (1980) 0.04" 0"
Jun 28 55° 87° 45° (1985) 101° (1980) 0.04" 0"
Jun 29 56° 88° 46° (1985) 100° (1968) 0.05" 0"
Jun 30 56° 88° 50° (1985) 102° (1998) 0.04" 0"
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