Fallon, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -45° (1954) 65° (2002) 0.31" NA
February 10° 36° -41° (1982) 73° (1992) 0.24" NA
March 20° 47° -35° (1962) 79° (2007) 0.43" NA
April 31° 60° -5° (1986) 93° (1952) 1.06" NA
May 42° 71° 14° (1954) 102° (1988) 1.92" NA
June 52° 81° 30° (1979) 110° (1988) 2.15" NA
July 57° 89° 38° (1987) 111° (2002) 1.55" NA
August 55° 88° 28° (1988) 111° (1995) 1.29" NA
September 43° 76° 15° (1989) 106° (1983) 1.28" NA
October 31° 62° -9° (1991) 94° (1989) 0.94" NA
November 18° 43° -31° (1985) 79° (1987) 0.44" NA
December 32° -43° (1983) 69° (1979) 0.24" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 49° 83° 32° (1994) 102° (1983) 0.04" NA
Sep 2 49° 82° 24° (1974) 106° (1983) 0.04" NA
Sep 3 48° 82° 27° (1974) 100° (1998) 0.04" NA
Sep 4 48° 81° 29° (1962) 101° (1978) 0.04" NA
Sep 5 47° 80° 28° (1965) 105° (1998) 0.04" NA
Sep 6 47° 80° 31° (1956) 102° (1978) 0.05" NA
Sep 7 47° 79° 26° (1986) 98° (1976) 0.05" NA
Sep 8 46° 79° 33° (1986) 95° (1963) 0.05" NA
Sep 9 46° 78° 28° (1988) 99° (1994) 0.05" NA
Sep 10 45° 78° 29° (1989) 102° (1994) 0.05" NA
Sep 11 45° 77° 16° (1989) 94° (1998) 0.05" NA
Sep 12 44° 77° 15° (1989) 96° (1971) 0.05" NA
Sep 13 44° 77° 17° (1989) 97° (1990) 0.05" NA
Sep 14 43° 76° 21° (1993) 95° (1959) 0.04" NA
Sep 15 43° 76° 28° (1993) 97° (2000) 0.04" NA
Sep 16 42° 75° 29° (1970) 94° (1998) 0.04" NA
Sep 17 42° 75° 26° (1965) 96° (1979) 0.04" NA
Sep 18 42° 74° 24° (1991) 93° (1989) 0.04" NA
Sep 19 41° 74° 25° (1991) 94° (1984) 0.04" NA
Sep 20 41° 73° 25° (1982) 91° (1960) 0.04" NA
Sep 21 40° 73° 16° (1995) 90° (1966) 0.04" NA
Sep 22 40° 73° 22° (1983) 86° (1976) 0.04" NA
Sep 23 40° 72° 23° (1983) 91° (1992) 0.04" NA
Sep 24 39° 72° 24° (1985) 90° (1966) 0.04" NA
Sep 25 39° 71° 25° (1984) 91° (1949) 0.04" NA
Sep 26 39° 71° 22° (1965) 91° (1990) 0.04" NA
Sep 27 38° 71° 21° (1976) 93° (1952) 0.04" NA
Sep 28 38° 70° 23° (1992) 88° (1952) 0.04" NA
Sep 29 38° 70° 21° (1990) 90° (1980) 0.04" NA
Sep 30 37° 69° 20° (1985) 92° (1989) 0.04" NA
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