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
Jun 1 45° 78° 37° (1970) 95° (2002) 0.08" 0"
Jun 2 45° 78° 32° (1951) 94° (1997) 0.08" 0"
Jun 3 45° 78° 33° (1951) 94° (2001) 0.07" 0"
Jun 4 46° 79° 37° (1950) 94° (1958) 0.08" 0"
Jun 5 46° 79° 34° (1998) 97° (1977) 0.07" 0"
Jun 6 46° 79° 29° (1998) 96° (1977) 0.08" 0"
Jun 7 46° 80° 38° (1983) 100° (2000) 0.08" 0"
Jun 8 47° 80° 38° (1993) 100° (2000) 0.07" 0"
Jun 9 47° 81° 38° (1950) 100° (2000) 0.07" 0"
Jun 10 47° 81° 39° (1955) 97° (2002) 0.07" 0"
Jun 11 47° 81° 34° (1975) 99° (1952) 0.06" 0"
Jun 12 48° 82° 39° (1951) 99° (1956) 0.07" 0"
Jun 13 48° 82° 43° (1960) 99° (1952) 0.07" 0"
Jun 14 48° 83° 34° (2001) 99° (1956) 0.06" 0"
Jun 15 48° 83° 40° (1998) 101° (1994) 0.07" 0"
Jun 16 49° 83° 43° (1961) 99° (1952) 0.06" 0"
Jun 17 49° 84° 38° (1957) 97° (1989) 0.07" 0"
Jun 18 49° 84° 39° (1957) 98° (1953) 0.05" 0"
Jun 19 50° 85° 38° (1976) 99° (2002) 0.06" 0"
Jun 20 50° 85° 40° (1975) 101° (1989) 0.05" 0"
Jun 21 50° 85° 41° (1975) 100° (1968) 0.05" 0"
Jun 22 50° 86° 40° (1957) 97° (1974) 0.05" 0"
Jun 23 51° 86° 40° (1964) 99° (1954) 0.05" 0"
Jun 24 51° 87° 40° (1955) 105° (1954) 0.04" 0"
Jun 25 51° 87° 42° (1965) 101° (1988) 0.04" 0"
Jun 26 51° 87° 40° (1965) 100° (1971) 0.04" 0"
Jun 27 51° 88° 42° (1985) 106° (1994) 0.05" 0"
Jun 28 52° 88° 42° (1999) 104° (1990) 0.05" 0"
Jun 29 52° 88° 42° (1999) 99° (1963) 0.04" 0"
Jun 30 52° 88° 43° (1999) 103° (1990) 0.05" 0"
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