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
Nov 1 26° 57° 9° (1966) 75° (1980) 0.04" NA
Nov 2 25° 57° 7° (1972) 73° (1980) 0.04" NA
Nov 3 25° 56° -6° (1967) 73° (1983) 0.04" NA
Nov 4 25° 56° 6° (1967) 78° (1983) 0.04" NA
Nov 5 24° 55° 7° (1967) 76° (1999) 0.04" NA
Nov 6 24° 55° 6° (1990) 78° (1975) 0.04" NA
Nov 7 24° 54° 9° (2000) 76° (1980) 0.04" NA
Nov 8 23° 54° 14° (1962) 78° (1978) 0.04" NA
Nov 9 23° 53° 0° (1977) 77° (2006) 0.03" NA
Nov 10 23° 53° 4° (1986) 73° (1980) 0.03" NA
Nov 11 22° 52° 6° (1979) 75° (1971) 0.03" NA
Nov 12 22° 52° 0° (2000) 78° (1973) 0.03" NA
Nov 13 22° 52° 1° (1979) 77° (1999) 0.03" NA
Nov 14 21° 51° -3° (2000) 76° (1990) 0.03" NA
Nov 15 21° 51° -5° (1997) 74° (1999) 0.03" NA
Nov 16 21° 51° -5° (1997) 75° (1981) 0.03" NA
Nov 17 21° 50° 1° (1980) 73° (1999) 0.03" NA
Nov 18 20° 50° -1° (1971) 74° (1999) 0.03" NA
Nov 19 20° 50° 1° (1985) 75° (1995) 0.03" NA
Nov 20 20° 49° -1° (1975) 78° (1989) 0.03" NA
Nov 21 20° 49° 2° (1975) 73° (2001) 0.03" NA
Nov 22 19° 49° -3° (1975) 74° (1974) 0.03" NA
Nov 23 19° 48° -9° (2003) 75° (1998) 0.03" NA
Nov 24 19° 48° -2° (2003) 73° (1981) 0.03" NA
Nov 25 18° 48° -10° (1993) 74° (1990) 0.03" NA
Nov 26 18° 48° -14° (1975) 70° (1995) 0.03" NA
Nov 27 18° 47° -12° (1976) 71° (1998) 0.03" NA
Nov 28 18° 47° -18° (1976) 73° (1998) 0.03" NA
Nov 29 18° 47° -9° (1979) 70° (1998) 0.03" NA
Nov 30 17° 47° -8° (1975) 70° (2003) 0.03" NA
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