Boulder, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 46° -22° (1963) 73° (2005) 0.7" 10"
February 23° 49° -24° (1989) 79° (1954) 0.75" 11.1"
March 28° 56° -6° (2002) 80° (1997) 1.78" 17.2"
April 34° 63° -3° (1975) 88° (1989) 2.88" 9.3"
May 42° 72° 22° (1954) 95° (2000) 3.05" 1.4"
June 51° 82° 30° (1951) 104° (1954) 1.99" 0"
July 56° 87° 42° (1972) 104° (1954) 1.88" 0"
August 55° 85° 40° (2004) 101° (1979) 1.63" 0"
September 47° 77° 15° (1985) 100° (1983) 1.79" 1.2"
October 37° 67° 5° (1991) 90° (1953) 1.28" 5"
November 27° 53° -8° (1993) 79° (1952) 1.42" 11.8"
December 21° 46° -24° (1990) 76° (1980) 0.78" 11.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 54° 86° 46° (1951) 101° (2002) 0.06" NA
Jul 2 54° 86° 46° (1997) 99° (1990) 0.06" NA
Jul 3 55° 86° 44° (1992) 98° (1953) 0.06" NA
Jul 4 55° 86° 45° (1972) 98° (1989) 0.06" NA
Jul 5 55° 87° 42° (1972) 99° (1989) 0.06" NA
Jul 6 55° 87° 48° (1978) 100° (1973) 0.06" NA
Jul 7 55° 87° 44° (1952) 100° (1951) 0.06" NA
Jul 8 55° 87° 45° (1994) 100° (1989) 0.06" NA
Jul 9 55° 87° 51° (1959) 99° (1954) 0.06" NA
Jul 10 55° 87° 50° (1982) 100° (1954) 0.07" NA
Jul 11 56° 87° 51° (1983) 104° (1954) 0.07" NA
Jul 12 56° 87° 48° (1987) 103° (1954) 0.06" NA
Jul 13 56° 87° 44° (1987) 102° (1954) 0.06" NA
Jul 14 56° 87° 47° (1973) 97° (2002) 0.06" NA
Jul 15 56° 87° 47° (1973) 98° (2006) 0.06" NA
Jul 16 56° 87° 47° (1992) 100° (2003) 0.06" NA
Jul 17 56° 88° 46° (1992) 98° (2002) 0.06" NA
Jul 18 56° 88° 49° (1972) 100° (1998) 0.06" NA
Jul 19 56° 88° 51° (1959) 99° (1998) 0.06" NA
Jul 20 56° 88° 48° (1988) 100° (1998) 0.06" NA
Jul 21 56° 88° 48° (1988) 101° (2005) 0.06" NA
Jul 22 57° 88° 47° (1973) 99° (2005) 0.06" NA
Jul 23 57° 88° 47° (1990) 99° (2005) 0.06" NA
Jul 24 57° 88° 49° (2004) 101° (1953) 0.06" NA
Jul 25 57° 88° 49° (1973) 98° (1953) 0.06" NA
Jul 26 57° 88° 50° (1991) 97° (1954) 0.06" NA
Jul 27 57° 87° 48° (1981) 97° (1995) 0.06" NA
Jul 28 57° 87° 52° (1981) 97° (1979) 0.06" NA
Jul 29 57° 87° 46° (1971) 99° (2001) 0.06" NA
Jul 30 57° 87° 45° (1971) 98° (2001) 0.06" NA
Jul 31 57° 87° 48° (1973) 100° (2002) 0.06" NA
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