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
Oct 1 37° 64° 22° (1959) 91° (1992) 0.04" NA
Oct 2 37° 64° 18° (1999) 86° (1943) 0.04" NA
Oct 3 37° 64° 17° (1999) 91° (1943) 0.03" NA
Oct 4 36° 63° 18° (1916) 86° (1979) 0.03" NA
Oct 5 36° 63° 20° (2000) 90° (1895) 0.03" NA
Oct 6 36° 63° 16° (2000) 83° (1980) 0.03" NA
Oct 7 36° 62° 15° (1985) 88° (1895) 0.03" NA
Oct 8 35° 62° 8° (1985) 85° (1936) 0.03" NA
Oct 9 35° 61° 6° (1985) 84° (1971) 0.03" NA
Oct 10 35° 61° 14° (1919) 86° (1934) 0.03" NA
Oct 11 35° 61° 21° (1969) 90° (1934) 0.03" NA
Oct 12 34° 60° 16° (2002) 85° (1934) 0.03" NA
Oct 13 34° 60° 14° (1969) 85° (1964) 0.03" NA
Oct 14 34° 59° 12° (1899) 81° (1958) 0.03" NA
Oct 15 34° 59° 11° (1899) 86° (1895) 0.03" NA
Oct 16 33° 58° 14° (1930) 88° (1895) 0.03" NA
Oct 17 33° 58° 8° (1930) 85° (1895) 0.03" NA
Oct 18 33° 58° 6° (1905) 84° (1896) 0.03" NA
Oct 19 32° 57° 2° (1905) 81° (1974) 0.03" NA
Oct 20 32° 57° 16° (1984) 82° (1895) 0.03" NA
Oct 21 32° 56° 10° (1930) 80° (1915) 0.03" NA
Oct 22 31° 55° 8° (1917) 81° (1892) 0.03" NA
Oct 23 31° 55° 10° (1957) 79° (1915) 0.03" NA
Oct 24 31° 54° 1° (1919) 78° (1903) 0.03" NA
Oct 25 30° 54° -5° (1919) 80° (1892) 0.03" NA
Oct 26 30° 53° 8° (1919) 78° (1944) 0.03" NA
Oct 27 30° 53° -10° (1919) 75° (1983) 0.03" NA
Oct 28 29° 52° -5° (1925) 76° (1937) 0.03" NA
Oct 29 29° 51° -5° (1991) 80° (1892) 0.03" NA
Oct 30 28° 51° -11° (1991) 78° (1892) 0.02" NA
Oct 31 28° 50° -9° (2002) 76° (1897) 0.02" NA
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