Fort Benton, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 35° -49° (1969) 71° (1992) 0.55" 11.9"
February 15° 42° -37° (1994) 77° (1992) 0.39" 9"
March 23° 51° -35° (1951) 83° (2004) 0.85" 9.4"
April 32° 63° -8° (1975) 93° (1980) 1.21" 5.5"
May 41° 72° 16° (1954) 97° (1988) 2.3" 0.6"
June 49° 79° 30° (1979) 104° (1988) 2.45" 0"
July 53° 87° 35° (1973) 106° (1960) 1.33" 0"
August 52° 86° 29° (1992) 109° (1961) 1.52" 0"
September 42° 75° 17° (1985) 100° (2001) 1.23" 0.3"
October 32° 64° -15° (1991) 94° (1992) 0.8" 1.8"
November 21° 47° -29° (1985) 79° (1999) 0.54" 8.5"
December 13° 37° -45° (1983) 67° (1987) 0.52" 12.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 47° 81° 35° (1972) 98° (1983) 0.05" NA
Sep 2 47° 80° 28° (1974) 100° (1998) 0.05" NA
Sep 3 46° 80° 30° (1962) 97° (1950) 0.05" NA
Sep 4 46° 80° 28° (1962) 97° (2001) 0.05" NA
Sep 5 45° 79° 32° (1956) 99° (1967) 0.05" NA
Sep 6 45° 79° 28° (1992) 98° (1980) 0.05" NA
Sep 7 45° 78° 32° (1965) 100° (1998) 0.05" NA
Sep 8 44° 78° 31° (1960) 97° (1979) 0.04" NA
Sep 9 44° 78° 23° (1962) 93° (1981) 0.04" NA
Sep 10 43° 77° 29° (1992) 94° (1948) 0.04" NA
Sep 11 43° 77° 24° (1989) 93° (1981) 0.04" NA
Sep 12 43° 76° 25° (1964) 93° (1953) 0.04" NA
Sep 13 42° 76° 25° (1949) 95° (1959) 0.04" NA
Sep 14 42° 76° 22° (1970) 98° (1948) 0.04" NA
Sep 15 42° 75° 26° (1970) 96° (2000) 0.04" NA
Sep 16 41° 75° 27° (1969) 94° (2000) 0.04" NA
Sep 17 41° 75° 26° (1982) 91° (1984) 0.04" NA
Sep 18 41° 74° 20° (1971) 95° (1984) 0.04" NA
Sep 19 40° 74° 26° (1964) 92° (1956) 0.04" NA
Sep 20 40° 74° 20° (1995) 87° (1991) 0.04" NA
Sep 21 40° 73° 21° (1995) 90° (1979) 0.04" NA
Sep 22 39° 73° 20° (1961) 90° (1948) 0.04" NA
Sep 23 39° 73° 28° (1993) 92° (1990) 0.04" NA
Sep 24 39° 72° 23° (1984) 96° (2001) 0.04" NA
Sep 25 39° 72° 21° (1984) 100° (2001) 0.04" NA
Sep 26 38° 72° 24° (1972) 91° (1963) 0.04" NA
Sep 27 38° 72° 24° (1961) 93° (1957) 0.03" NA
Sep 28 38° 71° 19° (1972) 89° (1967) 0.03" NA
Sep 29 37° 71° 17° (1985) 90° (1967) 0.03" NA
Sep 30 37° 71° 17° (1985) 94° (1992) 0.03" NA
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