Potomac, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° -44° (2004) 60° (2005) 1.3" 15.2"
February 10° 37° -42° (1981) 64° (1995) 1.06" 8.9"
March 18° 47° -30° (1965) 76° (2004) 0.8" 4"
April 24° 57° -4° (2002) 86° (1987) 1.12" 0.9"
May 30° 66° 13° (1999) 97° (1986) 1.84" 0.2"
June 38° 73° 23° (1965) 97° (1977) 2.12" 0"
July 41° 83° 24° (1971) 103° (2002) 1.04" 0"
August 38° 83° 22° (1965) 102° (1969) 0.84" 0"
September 31° 72° 10° (2000) 97° (1998) 0.99" 0.1"
October 23° 57° -15° (2002) 88° (1992) 1.18" 0.4"
November 16° 40° -21° (1993) 72° (1999) 1.61" 8.4"
December 29° -50° (1983) 62° (1975) 1.28" 13.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 35° 78° 22° (2006) 94° (1967) 0.03" 0"
Sep 2 35° 77° 23° (2006) 94° (1998) 0.03" 0"
Sep 3 34° 77° 26° (1973) 93° (1988) 0.04" 0"
Sep 4 34° 77° 24° (1969) 96° (1998) 0.03" 0"
Sep 5 34° 76° 25° (1992) 97° (1998) 0.04" 0"
Sep 6 33° 76° 21° (1992) 94° (1973) 0.03" 0"
Sep 7 33° 75° 23° (1992) 94° (1998) 0.03" 0"
Sep 8 33° 75° 24° (1976) 95° (1998) 0.04" 0"
Sep 9 33° 75° 22° (1976) 91° (1969) 0.03" 0"
Sep 10 32° 74° 21° (1970) 92° (1968) 0.03" 0"
Sep 11 32° 74° 21° (1989) 92° (1990) 0.04" 0"
Sep 12 32° 73° 21° (1989) 88° (1987) 0.03" 0"
Sep 13 31° 73° 21° (1984) 85° (1981) 0.03" 0"
Sep 14 31° 73° 12° (1970) 87° (2002) 0.04" 0"
Sep 15 31° 72° 13° (1970) 88° (1979) 0.03" 0"
Sep 16 30° 72° 20° (1965) 91° (1998) 0.03" 0"
Sep 17 30° 71° 12° (1965) 96° (1981) 0.04" 0.1"
Sep 18 30° 71° 14° (1971) 96° (1981) 0.03" 0"
Sep 19 29° 70° 21° (1965) 92° (1981) 0.04" 0"
Sep 20 29° 70° 20° (1993) 83° (1979) 0.03" 0"
Sep 21 29° 70° 13° (1971) 88° (1967) 0.04" 0"
Sep 22 29° 69° 17° (1971) 90° (1987) 0.03" 0"
Sep 23 28° 69° 10° (2000) 91° (1987) 0.04" 0"
Sep 24 28° 68° 10° (2000) 90° (2001) 0.03" 0"
Sep 25 28° 68° 13° (2000) 92° (2001) 0.03" 0"
Sep 26 27° 67° 19° (2000) 87° (1978) 0.03" 0"
Sep 27 27° 67° 20° (2000) 85° (1967) 0.03" 0"
Sep 28 27° 67° 14° (1985) 86° (1967) 0.03" 0"
Sep 29 26° 66° 15° (1985) 86° (1967) 0.03" 0"
Sep 30 26° 66° 15° (1985) 83° (1992) 0.03" 0"
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