Helena, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 33° -42° (1957) 63° (1902) 0.36" 6.2"
February 17° 39° -42° (1996) 69° (1995) 0.31" 5"
March 24° 48° -30° (1955) 78° (2004) 0.59" 6.2"
April 32° 58° -10° (1936) 86° (1992) 0.98" 3.7"
May 41° 67° 17° (1954) 95° (1919) 1.87" 0.9"
June 49° 76° 30° (1999) 102° (1900) 2.06" 0"
July 54° 86° 36° (1971) 105° (2002) 1.19" 0"
August 52° 85° 28° (1992) 105° (1969) 1.2" 0.3"
September 43° 73° 6° (1926) 99° (1967) 1.1" 1.3"
October 33° 59° -8° (1991) 87° (2001) 0.68" 2.5"
November 22° 43° -39° (1959) 75° (1999) 0.49" 4.7"
December 12° 32° -40° (1880) 64° (1980) 0.4" 7.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 52° 81° 36° (1898) 100° (1990) 0.04" 0"
Jul 2 52° 82° 38° (1973) 99° (1986) 0.05" 0"
Jul 3 52° 82° 42° (1997) 97° (2001) 0.04" 0"
Jul 4 53° 82° 36° (1971) 97° (2008) 0.05" 0"
Jul 5 53° 83° 38° (1931) 102° (1981) 0.04" 0"
Jul 6 53° 83° 38° (1908) 99° (1985) 0.04" 0"
Jul 7 53° 84° 36° (1952) 98° (1989) 0.04" 0"
Jul 8 54° 84° 39° (1944) 101° (1886) 0.04" 0"
Jul 9 54° 84° 39° (1889) 101° (1985) 0.04" 0"
Jul 10 54° 85° 42° (1946) 102° (1973) 0.05" 0"
Jul 11 54° 85° 41° (1997) 100° (2002) 0.04" 0"
Jul 12 54° 85° 38° (1880) 105° (2002) 0.04" 0"
Jul 13 54° 86° 42° (1965) 104° (2002) 0.04" 0"
Jul 14 55° 86° 40° (1912) 102° (2007) 0.04" 0"
Jul 15 55° 86° 38° (1958) 100° (2007) 0.04" 0"
Jul 16 55° 86° 39° (1999) 100° (2007) 0.03" 0"
Jul 17 55° 87° 39° (1972) 102° (2003) 0.04" 0"
Jul 18 55° 87° 37° (1972) 100° (2003) 0.04" 0"
Jul 19 55° 87° 38° (1972) 103° (2003) 0.03" 0"
Jul 20 55° 87° 43° (1898) 103° (2003) 0.04" 0"
Jul 21 55° 87° 41° (1949) 102° (1931) 0.04" 0"
Jul 22 55° 88° 42° (1972) 102° (2003) 0.03" 0"
Jul 23 55° 88° 41° (1918) 104° (2003) 0.04" 0"
Jul 24 55° 88° 40° (1918) 100° (1929) 0.03" 0"
Jul 25 55° 88° 44° (1918) 99° (1933) 0.04" 0"
Jul 26 55° 88° 43° (1999) 98° (1988) 0.03" 0"
Jul 27 55° 88° 44° (1913) 99° (2006) 0.03" 0"
Jul 28 55° 88° 38° (1949) 101° (2006) 0.03" 0"
Jul 29 55° 88° 40° (1959) 101° (2006) 0.04" 0"
Jul 30 55° 88° 42° (1995) 101° (2000) 0.03" 0"
Jul 31 55° 88° 39° (1995) 99° (2000) 0.04" 0"
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