Mill Iron, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -44° (1954) 65° (1992) 0.59" NA
February 14° 36° -43° (1936) 66° (1995) 0.51" NA
March 21° 45° -32° (1960) 83° (1910) 0.81" NA
April 31° 58° -11° (1899) 90° (1926) 1.85" NA
May 41° 68° 8° (1954) 98° (1919) 2.69" NA
June 50° 78° 27° (1919) 105° (1988) 3.16" NA
July 56° 86° 30° (1945) 108° (1936) 1.9" NA
August 55° 84° 26° (1974) 108° (1949) 1.27" NA
September 44° 73° 13° (1958) 103° (1978) 1.52" NA
October 34° 59° -15° (1991) 92° (1922) 1.59" NA
November 21° 42° -30° (1955) 78° (1909) 0.79" NA
December 11° 33° -43° (1989) 66° (1987) 0.57" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 15° 36° -19° (1985) 62° (1995) 0.02" NA
Dec 2 15° 36° -28° (1985) 58° (1973) 0.02" NA
Dec 3 14° 35° -18° (2006) 64° (1941) 0.02" NA
Dec 4 14° 35° -11° (1899) 66° (1987) 0.02" NA
Dec 5 14° 35° -23° (1972) 66° (1939) 0.02" NA
Dec 6 14° 35° -25° (1936) 64° (1939) 0.02" NA
Dec 7 13° 35° -26° (1972) 58° (1907) 0.02" NA
Dec 8 13° 34° -31° (1958) 62° (1957) 0.02" NA
Dec 9 13° 34° -33° (1937) 63° (1957) 0.02" NA
Dec 10 13° 34° -24° (1919) 65° (1981) 0.02" NA
Dec 11 12° 34° -27° (1932) 57° (1939) 0.02" NA
Dec 12 12° 34° -25° (1961) 55° (1924) 0.02" NA
Dec 13 12° 33° -29° (1917) 58° (1998) 0.02" NA
Dec 14 12° 33° -25° (1958) 59° (1997) 0.02" NA
Dec 15 11° 33° -31° (1945) 59° (1980) 0.02" NA
Dec 16 11° 33° -34° (1964) 59° (1962) 0.02" NA
Dec 17 11° 33° -31° (1964) 59° (1939) 0.01" NA
Dec 18 11° 32° -28° (1924) 59° (1979) 0.01" NA
Dec 19 10° 32° -22° (1924) 62° (1979) 0.01" NA
Dec 20 10° 32° -28° (1951) 59° (1941) 0.01" NA
Dec 21 10° 32° -43° (1989) 55° (1957) 0.01" NA
Dec 22 10° 32° -38° (1989) 55° (1955) 0.02" NA
Dec 23 10° 32° -30° (1983) 52° (1936) 0.02" NA
Dec 24 31° -36° (1983) 51° (1961) 0.02" NA
Dec 25 31° -28° (1983) 54° (1906) 0.02" NA
Dec 26 31° -27° (1933) 52° (1980) 0.02" NA
Dec 27 31° -30° (1924) 59° (1980) 0.02" NA
Dec 28 31° -20° (1990) 53° (1922) 0.02" NA
Dec 29 31° -32° (1990) 55° (1965) 0.02" NA
Dec 30 30° -33° (1990) 54° (1965) 0.02" NA
Dec 31 30° -31° (1978) 54° (1963) 0.02" NA
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