Great Falls, 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
Jan 1 12° 32° -31° (1924) 61° (1964) 0.02" NA
Jan 2 12° 32° -32° (1950) 65° (1918) 0.03" NA
Jan 3 11° 32° -33° (1950) 57° (2001) 0.03" NA
Jan 4 11° 32° -28° (1982) 58° (1984) 0.03" NA
Jan 5 11° 32° -30° (1982) 61° (1914) 0.03" NA
Jan 6 11° 32° -26° (1982) 64° (1914) 0.03" NA
Jan 7 11° 31° -30° (1909) 61° (2003) 0.03" NA
Jan 8 11° 31° -30° (1909) 58° (1893) 0.02" NA
Jan 9 11° 31° -27° (1909) 63° (1933) 0.02" NA
Jan 10 11° 31° -44° (1909) 56° (1995) 0.02" NA
Jan 11 11° 31° -40° (1909) 65° (1932) 0.02" NA
Jan 12 11° 31° -35° (1916) 62° (1959) 0.02" NA
Jan 13 11° 31° -30° (1972) 58° (1986) 0.02" NA
Jan 14 11° 31° -32° (1909) 57° (2006) 0.02" NA
Jan 15 11° 32° -30° (1950) 60° (1973) 0.02" NA
Jan 16 11° 32° -27° (1930) 58° (1973) 0.02" NA
Jan 17 11° 32° -29° (1930) 61° (1914) 0.02" NA
Jan 18 11° 32° -28° (1935) 60° (1900) 0.02" NA
Jan 19 11° 32° -28° (1935) 65° (1892) 0.02" NA
Jan 20 11° 32° -33° (1954) 61° (1892) 0.02" NA
Jan 21 11° 32° -32° (1943) 57° (1994) 0.02" NA
Jan 22 11° 32° -32° (1982) 62° (1981) 0.02" NA
Jan 23 11° 32° -37° (1969) 64° (1892) 0.02" NA
Jan 24 11° 33° -28° (1943) 61° (1968) 0.02" NA
Jan 25 12° 33° -31° (1957) 62° (2006) 0.02" NA
Jan 26 12° 33° -37° (1916) 60° (1892) 0.02" NA
Jan 27 12° 33° -40° (1916) 59° (1934) 0.02" NA
Jan 28 12° 33° -42° (1916) 61° (1931) 0.02" NA
Jan 29 12° 34° -41° (1916) 64° (1892) 0.02" NA
Jan 30 12° 34° -41° (1916) 62° (1989) 0.02" NA
Jan 31 12° 34° -38° (1893) 67° (1992) 0.02" NA
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