Great Falls, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 36° -44° (1909) 67° (1992) 0.51" 8.5"
February 17° 38° -49° (1936) 84° (1892) 0.49" 8.3"
March 23° 46° -32° (1932) 80° (1892) 0.91" 11.9"
April 31° 56° -10° (1936) 89° (1980) 1.42" 8.6"
May 39° 65° 12° (2009) 100° (1919) 2.42" 2.8"
June 46° 73° 31° (1999) 102° (1919) 2.53" 0.3"
July 51° 84° 35° (1915) 107° (1933) 1.5" 0"
August 50° 82° 30° (1992) 106° (1969) 1.57" 0.3"
September 42° 70° 10° (1926) 100° (1893) 1.42" 1.2"
October 33° 58° -11° (1991) 91° (1992) 0.86" 4.1"
November 23° 43° -25° (1985) 83° (1892) 0.59" 8.1"
December 15° 35° -43° (1968) 69° (1939) 0.55" 9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 53° 86° 38° (1999) 100° (1908) 0.04" 0"
Aug 2 53° 86° 41° (2002) 99° (1893) 0.04" 0"
Aug 3 53° 86° 40° (2002) 100° (2001) 0.04" 0"
Aug 4 53° 85° 41° (1982) 102° (1961) 0.04" 0"
Aug 5 52° 85° 42° (1924) 106° (1961) 0.04" 0"
Aug 6 52° 85° 41° (1924) 104° (1983) 0.04" 0"
Aug 7 52° 85° 35° (1939) 101° (1970) 0.05" 0"
Aug 8 52° 85° 41° (1917) 99° (1971) 0.04" 0"
Aug 9 52° 85° 38° (1893) 102° (1936) 0.05" 0"
Aug 10 52° 84° 40° (2004) 104° (1984) 0.04" 0"
Aug 11 52° 84° 37° (1893) 101° (1996) 0.06" 0"
Aug 12 52° 84° 38° (1966) 98° (1971) 0.05" 0.1"
Aug 13 51° 84° 40° (2005) 98° (1892) 0.05" 0"
Aug 14 51° 83° 36° (1995) 101° (1971) 0.05" 0"
Aug 15 51° 83° 40° (2002) 101° (1990) 0.05" 0"
Aug 16 51° 83° 39° (2002) 100° (1973) 0.06" 0"
Aug 17 51° 83° 36° (2002) 98° (1919) 0.05" 0"
Aug 18 50° 82° 40° (1987) 101° (1964) 0.06" 0"
Aug 19 50° 82° 40° (2005) 97° (1967) 0.05" 0"
Aug 20 50° 82° 39° (1916) 99° (1931) 0.06" 0"
Aug 21 50° 81° 38° (1992) 99° (1894) 0.05" 0.1"
Aug 22 49° 81° 32° (1992) 98° (1976) 0.06" 0"
Aug 23 49° 80° 32° (1992) 102° (1969) 0.05" 0"
Aug 24 49° 80° 30° (1992) 106° (1969) 0.06" 0"
Aug 25 49° 80° 31° (1992) 100° (1970) 0.06" 0"
Aug 26 48° 79° 35° (1892) 96° (2010) 0.05" 0"
Aug 27 48° 79° 39° (1911) 98° (1971) 0.06" 0"
Aug 28 48° 78° 35° (1918) 96° (1924) 0.05" 0.1"
Aug 29 47° 78° 34° (1992) 97° (2005) 0.06" 0"
Aug 30 47° 78° 35° (1993) 97° (1999) 0.06" 0"
Aug 31 47° 77° 34° (1930) 98° (1991) 0.05" 0"
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