Boulder, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 47° -22° (1963) 73° (2005) 0.76" 10.7"
February 23° 49° -24° (1989) 79° (1954) 0.86" 12.4"
March 29° 56° -6° (2002) 80° (1997) 2.19" 17.7"
April 36° 63° -3° (1975) 88° (1989) 2.87" 11.7"
May 44° 72° 22° (1954) 95° (2000) 2.8" 0.8"
June 51° 82° 30° (1951) 104° (1954) 2.2" 0"
July 57° 88° 42° (1972) 104° (1954) 1.79" 0"
August 56° 85° 40° (2004) 101° (1979) 1.84" 0"
September 48° 78° 15° (1985) 100° (1983) 1.68" 1"
October 38° 66° 5° (1991) 90° (1953) 1.55" 5.6"
November 29° 54° -8° (1993) 79° (1952) 1.24" 14.2"
December 21° 45° -24° (1990) 76° (1980) 0.94" 14.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 47° 77° 38° (1951) 89° (1997) 0.09" 0"
Jun 2 48° 77° 30° (1951) 92° (2006) 0.09" 0"
Jun 3 48° 77° 32° (1951) 95° (1958) 0.09" 0"
Jun 4 48° 78° 38° (1951) 94° (1990) 0.1" 0"
Jun 5 48° 78° 33° (1998) 94° (1954) 0.09" 0"
Jun 6 49° 78° 33° (1983) 95° (2000) 0.1" 0"
Jun 7 49° 79° 37° (1974) 95° (2000) 0.09" 0"
Jun 8 49° 79° 34° (2007) 98° (1985) 0.08" 0"
Jun 9 50° 79° 38° (1974) 96° (1985) 0.09" 0"
Jun 10 50° 80° 37° (1975) 97° (1952) 0.08" 0"
Jun 11 50° 80° 36° (1975) 95° (1956) 0.07" 0"
Jun 12 50° 80° 42° (1970) 100° (1952) 0.08" 0"
Jun 13 51° 81° 36° (1969) 98° (1952) 0.08" 0"
Jun 14 51° 81° 35° (1969) 100° (2006) 0.08" 0"
Jun 15 51° 82° 40° (1981) 100° (1952) 0.08" 0"
Jun 16 51° 82° 39° (1981) 94° (1977) 0.07" 0"
Jun 17 52° 82° 40° (2000) 96° (1953) 0.07" 0"
Jun 18 52° 83° 43° (1976) 95° (1990) 0.07" 0"
Jun 19 52° 83° 38° (1976) 94° (1989) 0.07" 0"
Jun 20 53° 83° 43° (1973) 96° (1968) 0.06" 0"
Jun 21 53° 84° 41° (2000) 95° (1968) 0.06" 0"
Jun 22 53° 84° 40° (2004) 98° (1954) 0.06" 0"
Jun 23 53° 84° 47° (2004) 104° (1954) 0.06" 0"
Jun 24 54° 85° 43° (1976) 100° (1954) 0.06" 0"
Jun 25 54° 85° 42° (1958) 99° (1980) 0.05" 0"
Jun 26 54° 85° 42° (1968) 101° (1994) 0.06" 0"
Jun 27 55° 86° 41° (1985) 100° (1990) 0.05" 0"
Jun 28 55° 86° 47° (1985) 95° (1957) 0.06" 0"
Jun 29 55° 86° 45° (1978) 99° (1953) 0.06" 0"
Jun 30 55° 86° 46° (1951) 99° (1994) 0.05" 0"
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