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