Potomac, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° -44° (2004) 60° (2005) 1.48" NA
February 11° 37° -42° (1981) 64° (1995) 1.09" NA
March 19° 46° -30° (1965) 76° (2004) 0.79" NA
April 25° 56° -4° (2002) 86° (1987) 1.01" NA
May 32° 65° 13° (1999) 97° (1986) 1.78" NA
June 39° 73° 23° (1965) 97° (1977) 1.82" NA
July 42° 82° 24° (1971) 103° (2002) 0.97" NA
August 39° 82° 22° (1965) 102° (1969) 1.05" NA
September 32° 71° 10° (2000) 97° (1998) 1.02" NA
October 23° 58° -15° (2002) 88° (1992) 1.02" NA
November 17° 38° -21° (1993) 72° (1999) 1.45" NA
December 29° -50° (1983) 62° (1975) 1.66" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 36° 77° 22° (2006) 94° (1967) 0.04" NA
Sep 2 36° 77° 23° (2006) 94° (1998) 0.04" NA
Sep 3 35° 76° 26° (1973) 93° (1988) 0.04" NA
Sep 4 35° 76° 24° (1969) 96° (1998) 0.04" NA
Sep 5 35° 76° 25° (1992) 97° (1998) 0.04" NA
Sep 6 35° 75° 21° (1992) 94° (1973) 0.04" NA
Sep 7 34° 75° 23° (1992) 94° (1998) 0.04" NA
Sep 8 34° 74° 24° (1976) 95° (1998) 0.04" NA
Sep 9 34° 74° 22° (1976) 91° (1969) 0.04" NA
Sep 10 33° 73° 21° (1970) 92° (1968) 0.04" NA
Sep 11 33° 73° 21° (1989) 92° (1990) 0.04" NA
Sep 12 33° 73° 21° (1989) 88° (1987) 0.04" NA
Sep 13 33° 72° 21° (1984) 85° (1981) 0.03" NA
Sep 14 32° 72° 12° (1970) 87° (2002) 0.03" NA
Sep 15 32° 71° 13° (1970) 88° (1979) 0.03" NA
Sep 16 32° 71° 20° (1965) 91° (1998) 0.03" NA
Sep 17 31° 70° 12° (1965) 96° (1981) 0.03" NA
Sep 18 31° 70° 14° (1971) 96° (1981) 0.03" NA
Sep 19 31° 70° 21° (1965) 92° (1981) 0.03" NA
Sep 20 30° 69° 20° (1993) 83° (1979) 0.03" NA
Sep 21 30° 69° 13° (1971) 88° (1967) 0.03" NA
Sep 22 30° 69° 17° (1971) 90° (1987) 0.03" NA
Sep 23 30° 68° 10° (2000) 91° (1987) 0.03" NA
Sep 24 29° 68° 10° (2000) 90° (2001) 0.03" NA
Sep 25 29° 67° 13° (2000) 92° (2001) 0.03" NA
Sep 26 29° 67° 19° (2000) 87° (1978) 0.03" NA
Sep 27 28° 67° 20° (2000) 85° (1967) 0.03" NA
Sep 28 28° 66° 14° (1985) 86° (1967) 0.03" NA
Sep 29 28° 66° 15° (1985) 86° (1967) 0.03" NA
Sep 30 28° 65° 15° (1985) 83° (1992) 0.03" NA
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