Helena, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 30° -42° (1957) 63° (1902) 0.52" 8.2"
February 16° 37° -42° (1996) 69° (1995) 0.38" 5.7"
March 24° 47° -30° (1955) 78° (2004) 0.63" 6.8"
April 31° 57° -10° (1936) 86° (1992) 0.91" 4.6"
May 40° 66° 17° (1954) 95° (1919) 1.78" 0.9"
June 48° 75° 30° (1999) 102° (1900) 1.82" 0"
July 52° 83° 36° (1971) 105° (2002) 1.34" 0"
August 51° 83° 28° (1992) 105° (1969) 1.29" 0.3"
September 41° 71° 6° (1926) 99° (1967) 1.05" 1.2"
October 31° 58° -8° (1991) 87° (2001) 0.66" 2.8"
November 20° 42° -39° (1959) 75° (1999) 0.48" 5.4"
December 11° 31° -40° (1880) 64° (1980) 0.46" 7.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 51° 80° 36° (1898) 100° (1990) 0.05" NA
Jul 2 51° 80° 38° (1973) 99° (1986) 0.05" NA
Jul 3 51° 81° 42° (1997) 97° (2001) 0.05" NA
Jul 4 51° 81° 36° (1971) 97° (2001) 0.05" NA
Jul 5 51° 81° 38° (1931) 102° (1981) 0.05" NA
Jul 6 51° 82° 38° (1908) 99° (1985) 0.05" NA
Jul 7 52° 82° 36° (1952) 98° (1989) 0.05" NA
Jul 8 52° 82° 39° (1944) 101° (1886) 0.05" NA
Jul 9 52° 82° 39° (1889) 101° (1985) 0.05" NA
Jul 10 52° 83° 42° (1946) 102° (1973) 0.05" NA
Jul 11 52° 83° 41° (1997) 100° (2002) 0.04" NA
Jul 12 52° 83° 38° (1880) 105° (2002) 0.04" NA
Jul 13 52° 83° 42° (1965) 104° (2002) 0.04" NA
Jul 14 52° 83° 40° (1912) 102° (2007) 0.04" NA
Jul 15 52° 84° 38° (1958) 100° (2007) 0.04" NA
Jul 16 52° 84° 39° (1999) 100° (2007) 0.04" NA
Jul 17 53° 84° 39° (1972) 102° (2003) 0.04" NA
Jul 18 53° 84° 37° (1972) 100° (2003) 0.04" NA
Jul 19 53° 84° 38° (1972) 103° (2003) 0.04" NA
Jul 20 53° 84° 43° (1898) 103° (2003) 0.04" NA
Jul 21 53° 85° 41° (1949) 102° (1931) 0.04" NA
Jul 22 53° 85° 42° (1972) 102° (2003) 0.04" NA
Jul 23 53° 85° 41° (1918) 104° (2003) 0.04" NA
Jul 24 53° 85° 40° (1918) 100° (1929) 0.04" NA
Jul 25 53° 85° 44° (1918) 99° (1933) 0.04" NA
Jul 26 53° 85° 43° (1999) 98° (1988) 0.04" NA
Jul 27 53° 85° 44° (1913) 99° (2006) 0.04" NA
Jul 28 53° 85° 38° (1949) 101° (2006) 0.04" NA
Jul 29 53° 85° 40° (1959) 101° (2006) 0.04" NA
Jul 30 53° 85° 42° (1995) 101° (2000) 0.04" NA
Jul 31 53° 85° 39° (1995) 99° (2000) 0.04" NA
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