Great Falls/Malmstrom AFB, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 32° -44° (1909) 67° (1992) 0.68" 9.6"
February 15° 38° -49° (1936) 84° (1892) 0.51" 7.6"
March 21° 45° -32° (1932) 80° (1892) 1.01" 11.5"
April 30° 56° -10° (1936) 89° (1980) 1.4" 8"
May 38° 65° 15° (1954) 100° (1919) 2.53" 2.3"
June 46° 74° 31° (1999) 102° (1919) 2.24" 0"
July 50° 82° 35° (1915) 107° (1933) 1.45" 0"
August 50° 81° 30° (1992) 106° (1969) 1.65" 0.3"
September 41° 70° 10° (1926) 100° (1893) 1.23" 1.4"
October 33° 58° -11° (1991) 91° (1992) 0.93" 4.4"
November 23° 42° -25° (1985) 83° (1892) 0.59" 7.4"
December 14° 34° -43° (1968) 69° (1939) 0.67" 8.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 49° 79° 35° (1894) 99° (1990) 0.06" NA
Jul 2 49° 79° 40° (1992) 99° (1985) 0.06" NA
Jul 3 49° 79° 41° (1971) 98° (1996) 0.05" NA
Jul 4 49° 80° 35° (1915) 101° (1937) 0.05" NA
Jul 5 49° 80° 40° (2000) 101° (1985) 0.05" NA
Jul 6 50° 80° 39° (2003) 104° (2007) 0.05" NA
Jul 7 50° 80° 41° (1993) 97° (1989) 0.05" NA
Jul 8 50° 81° 41° (2004) 101° (1930) 0.05" NA
Jul 9 50° 81° 41° (2004) 97° (1939) 0.05" NA
Jul 10 50° 81° 42° (1999) 105° (1973) 0.05" NA
Jul 11 50° 81° 40° (1897) 99° (2002) 0.05" NA
Jul 12 50° 82° 40° (2004) 102° (2002) 0.05" NA
Jul 13 50° 82° 42° (1994) 102° (1953) 0.05" NA
Jul 14 50° 82° 41° (1912) 101° (2002) 0.05" NA
Jul 15 50° 82° 40° (1999) 104° (2007) 0.04" NA
Jul 16 51° 82° 36° (1999) 102° (1919) 0.04" NA
Jul 17 51° 83° 37° (1999) 102° (1936) 0.04" NA
Jul 18 51° 83° 38° (1895) 101° (2003) 0.04" NA
Jul 19 51° 83° 39° (1895) 104° (2007) 0.04" NA
Jul 20 51° 83° 43° (1996) 103° (1893) 0.04" NA
Jul 21 51° 83° 40° (1926) 103° (1931) 0.04" NA
Jul 22 51° 83° 43° (1990) 102° (1960) 0.04" NA
Jul 23 51° 83° 40° (1914) 103° (2003) 0.04" NA
Jul 24 51° 83° 36° (1918) 102° (1929) 0.04" NA
Jul 25 51° 83° 37° (1918) 107° (1933) 0.04" NA
Jul 26 51° 84° 41° (2005) 103° (1933) 0.04" NA
Jul 27 51° 84° 40° (1892) 104° (1975) 0.05" NA
Jul 28 51° 84° 40° (1894) 100° (2007) 0.05" NA
Jul 29 51° 84° 45° (1971) 102° (1934) 0.05" NA
Jul 30 51° 84° 43° (1892) 102° (1934) 0.05" NA
Jul 31 52° 84° 42° (1968) 100° (1930) 0.05" NA
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