Great Falls/Malmstrom AFB, 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
Mar 1 18° 41° -22° (1919) 74° (1892) 0.02" 0.3"
Mar 2 19° 42° -27° (1896) 71° (1892) 0.02" 0.3"
Mar 3 19° 42° -23° (1960) 80° (1892) 0.02" 0.4"
Mar 4 19° 42° -19° (1962) 72° (1987) 0.03" 0.3"
Mar 5 19° 43° -22° (1947) 74° (1987) 0.02" 0.4"
Mar 6 20° 43° -24° (1951) 67° (1987) 0.03" 0.4"
Mar 7 20° 43° -24° (1951) 64° (1986) 0.02" 0.4"
Mar 8 20° 43° -29° (1951) 66° (2004) 0.03" 0.4"
Mar 9 20° 44° -28° (1932) 70° (1972) 0.02" 0.4"
Mar 10 21° 44° -32° (1932) 69° (1983) 0.03" 0.4"
Mar 11 21° 44° -29° (1932) 70° (1916) 0.03" 0.4"
Mar 12 21° 45° -18° (1897) 70° (1896) 0.02" 0.4"
Mar 13 22° 45° -19° (1897) 69° (2003) 0.03" 0.4"
Mar 14 22° 45° -16° (1967) 70° (1935) 0.03" 0.4"
Mar 15 22° 46° -24° (1906) 72° (1994) 0.03" 0.4"
Mar 16 23° 46° -12° (1943) 68° (2010) 0.03" 0.4"
Mar 17 23° 46° -14° (1965) 69° (2007) 0.02" 0.4"
Mar 18 23° 47° -16° (1965) 68° (2004) 0.03" 0.3"
Mar 19 24° 47° -10° (1906) 71° (1928) 0.03" 0.4"
Mar 20 24° 47° -8° (1913) 73° (1910) 0.04" 0.4"
Mar 21 24° 47° -16° (2002) 74° (1928) 0.03" 0.4"
Mar 22 25° 48° -6° (1964) 73° (1928) 0.03" 0.4"
Mar 23 25° 48° -15° (1964) 74° (1993) 0.03" 0.4"
Mar 24 25° 48° -20° (1955) 72° (1939) 0.04" 0.3"
Mar 25 25° 49° -17° (1955) 73° (1999) 0.03" 0.4"
Mar 26 26° 49° -15° (1898) 71° (1946) 0.04" 0.4"
Mar 27 26° 49° -8° (1898) 73° (1986) 0.03" 0.4"
Mar 28 26° 50° -7° (1954) 71° (1986) 0.04" 0.4"
Mar 29 27° 50° -4° (1954) 78° (1978) 0.04" 0.4"
Mar 30 27° 50° -14° (1936) 78° (2004) 0.03" 0.4"
Mar 31 27° 51° -5° (1936) 71° (1976) 0.04" 0.4"
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