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
Nov 1 28° 49° -12° (1991) 74° (1895) 0.02" NA
Nov 2 27° 49° -16° (1991) 72° (1981) 0.02" NA
Nov 3 27° 48° -9° (1935) 83° (1892) 0.02" NA
Nov 4 26° 47° -9° (2003) 78° (1892) 0.02" NA
Nov 5 26° 47° -10° (2003) 76° (1975) 0.02" NA
Nov 6 26° 46° -13° (1971) 69° (1997) 0.02" NA
Nov 7 25° 46° -9° (1973) 76° (1999) 0.02" NA
Nov 8 25° 45° -1° (1945) 71° (2004) 0.02" NA
Nov 9 25° 45° -8° (1986) 68° (1961) 0.02" NA
Nov 10 24° 44° -10° (1911) 67° (1971) 0.02" NA
Nov 11 24° 44° -16° (1911) 70° (1892) 0.02" NA
Nov 12 24° 43° -20° (1959) 74° (1999) 0.02" NA
Nov 13 23° 43° -23° (1955) 69° (1990) 0.02" NA
Nov 14 23° 42° -16° (1955) 71° (1999) 0.02" NA
Nov 15 22° 42° -19° (1959) 69° (1934) 0.02" NA
Nov 16 22° 41° -17° (1959) 66° (2001) 0.02" NA
Nov 17 22° 41° -20° (1903) 66° (1908) 0.02" NA
Nov 18 22° 41° -25° (1903) 64° (1949) 0.02" NA
Nov 19 21° 40° -23° (1921) 71° (1932) 0.02" NA
Nov 20 21° 40° -19° (1900) 67° (1936) 0.02" NA
Nov 21 21° 39° -20° (1946) 70° (1917) 0.02" NA
Nov 22 20° 39° -20° (1985) 73° (1917) 0.01" NA
Nov 23 20° 39° -25° (1985) 63° (1942) 0.02" NA
Nov 24 20° 38° -13° (1993) 65° (1933) 0.02" NA
Nov 25 19° 38° -21° (1985) 67° (1914) 0.02" NA
Nov 26 19° 38° -21° (1985) 66° (1933) 0.02" NA
Nov 27 19° 38° -24° (1985) 64° (1914) 0.02" NA
Nov 28 18° 37° -25° (1985) 64° (1901) 0.02" NA
Nov 29 18° 37° -22° (1896) 64° (1932) 0.02" NA
Nov 30 18° 37° -22° (1985) 63° (1999) 0.02" NA
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