Longmont, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 44° -34° (1963) 75° (1982) 0.5" 5.8"
February 14° 47° -36° (1951) 77° (1986) 0.4" 3.8"
March 22° 55° -18° (1960) 85° (1997) 1.39" 5.6"
April 30° 63° -7° (1975) 88° (1989) 1.89" 3.1"
May 40° 73° 18° (1989) 100° (2003) 2.22" 0.2"
June 49° 83° 29° (1998) 106° (1994) 1.83" 0"
July 54° 90° 40° (1994) 106° (1973) 1.13" 0"
August 52° 88° 37° (1992) 104° (2002) 1.63" 0"
September 42° 79° 18° (1985) 100° (1995) 1.15" 0.3"
October 31° 66° 0° (1969) 90° (1996) 0.82" 1.1"
November 20° 53° -22° (1950) 80° (1999) 0.7" 6.1"
December 11° 44° -31° (1990) 73° (1998) 0.6" 6.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 54° 89° 42° (1995) 103° (2002) 0.06" 0"
Aug 2 54° 89° 45° (1995) 100° (1980) 0.06" 0"
Aug 3 54° 89° 48° (1974) 98° (1970) 0.07" 0"
Aug 4 54° 89° 45° (1990) 100° (1954) 0.06" 0"
Aug 5 53° 89° 42° (1950) 99° (1960) 0.07" 0"
Aug 6 53° 89° 46° (1993) 100° (1979) 0.06" 0"
Aug 7 53° 89° 46° (1993) 100° (1994) 0.06" 0"
Aug 8 53° 89° 45° (1950) 104° (1995) 0.06" 0"
Aug 9 53° 89° 47° (2002) 101° (1969) 0.06" 0"
Aug 10 53° 89° 45° (1974) 98° (1983) 0.06" 0"
Aug 11 53° 88° 46° (1948) 99° (1962) 0.06" 0"
Aug 12 53° 88° 47° (1990) 97° (1972) 0.06" 0"
Aug 13 52° 88° 42° (1990) 101° (1996) 0.06" 0"
Aug 14 52° 88° 45° (1976) 97° (1970) 0.05" 0"
Aug 15 52° 88° 45° (1978) 99° (2000) 0.06" 0"
Aug 16 52° 88° 45° (1978) 100° (1988) 0.05" 0"
Aug 17 52° 88° 42° (2001) 104° (2002) 0.05" 0"
Aug 18 52° 88° 42° (1960) 97° (1998) 0.06" 0"
Aug 19 51° 88° 44° (1960) 98° (1986) 0.04" 0"
Aug 20 51° 87° 45° (1967) 97° (1986) 0.05" 0"
Aug 21 51° 87° 41° (1964) 102° (1987) 0.04" 0"
Aug 22 51° 87° 43° (1964) 97° (1960) 0.04" 0"
Aug 23 51° 87° 40° (1964) 101° (1992) 0.04" 0"
Aug 24 50° 87° 39° (1968) 99° (1998) 0.04" 0"
Aug 25 50° 87° 40° (1962) 97° (1994) 0.04" 0"
Aug 26 50° 87° 43° (1962) 95° (1973) 0.04" 0"
Aug 27 50° 86° 37° (1992) 98° (1988) 0.05" 0"
Aug 28 49° 86° 38° (1964) 97° (1994) 0.04" 0"
Aug 29 49° 86° 42° (1950) 95° (1984) 0.04" 0"
Aug 30 49° 86° 41° (1968) 98° (1984) 0.05" 0"
Aug 31 48° 85° 39° (1956) 100° (1990) 0.05" 0"
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