Castle Rock, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 44° -35° (1963) 73° (1997) 0.55" NA
February 17° 47° -29° (1982) 75° (1986) 0.53" NA
March 23° 52° -14° (1965) 80° (1997) 1.5" NA
April 30° 58° -7° (1975) 91° (1981) 1.87" NA
May 39° 67° 18° (1970) 94° (2003) 2.42" NA
June 48° 78° 28° (1975) 98° (1994) 1.92" NA
July 53° 84° 39° (1962) 99° (1973) 2.37" NA
August 51° 82° 35° (1992) 98° (2002) 2.16" NA
September 43° 74° 15° (1971) 94° (1995) 1.24" NA
October 32° 65° -3° (1993) 91° (1997) 1.09" NA
November 21° 51° -18° (1976) 78° (1989) 0.98" NA
December 15° 45° -26° (1972) 71° (1995) 0.71" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 51° 82° 42° (1983) 96° (1973) 0.07" NA
Jul 2 51° 83° 43° (1995) 96° (2002) 0.07" NA
Jul 3 52° 83° 45° (1974) 98° (1977) 0.07" NA
Jul 4 52° 83° 42° (1983) 96° (1964) 0.07" NA
Jul 5 52° 83° 41° (1972) 96° (1973) 0.07" NA
Jul 6 52° 83° 42° (1972) 99° (1973) 0.07" NA
Jul 7 52° 83° 42° (1993) 98° (1973) 0.07" NA
Jul 8 52° 84° 41° (1994) 96° (1989) 0.07" NA
Jul 9 53° 84° 46° (1972) 97° (2003) 0.07" NA
Jul 10 53° 84° 45° (1972) 96° (1976) 0.07" NA
Jul 11 53° 84° 43° (1982) 95° (1971) 0.07" NA
Jul 12 53° 84° 42° (1987) 96° (1971) 0.08" NA
Jul 13 53° 84° 45° (1987) 98° (1971) 0.08" NA
Jul 14 53° 84° 43° (1962) 97° (2003) 0.08" NA
Jul 15 53° 84° 43° (1962) 95° (1982) 0.08" NA
Jul 16 53° 84° 39° (1962) 97° (1978) 0.08" NA
Jul 17 53° 84° 48° (1962) 97° (1977) 0.08" NA
Jul 18 53° 84° 46° (1962) 98° (1963) 0.08" NA
Jul 19 54° 85° 48° (1962) 98° (1977) 0.08" NA
Jul 20 54° 85° 45° (1962) 96° (1998) 0.08" NA
Jul 21 54° 85° 48° (1962) 98° (1963) 0.08" NA
Jul 22 54° 85° 41° (1973) 97° (1982) 0.08" NA
Jul 23 54° 85° 44° (1973) 96° (1982) 0.08" NA
Jul 24 54° 85° 45° (1995) 95° (1982) 0.08" NA
Jul 25 54° 85° 43° (1973) 97° (1963) 0.08" NA
Jul 26 54° 85° 47° (2004) 95° (2003) 0.08" NA
Jul 27 54° 84° 46° (1962) 96° (1964) 0.08" NA
Jul 28 54° 84° 45° (1973) 97° (1978) 0.08" NA
Jul 29 54° 84° 45° (1971) 97° (1980) 0.08" NA
Jul 30 54° 84° 40° (1971) 96° (1963) 0.08" NA
Jul 31 54° 84° 44° (1968) 96° (1963) 0.08" NA
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