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
Jul 1 40° 78° 31° (1966) 94° (1985) 0.05" 0"
Jul 2 40° 79° 28° (1979) 94° (1985) 0.05" 0"
Jul 3 40° 79° 27° (1979) 94° (1985) 0.05" 0"
Jul 4 40° 79° 29° (1971) 98° (1985) 0.05" 0"
Jul 5 40° 80° 30° (1986) 97° (1981) 0.05" 0"
Jul 6 40° 80° 29° (1988) 99° (2007) 0.04" 0"
Jul 7 40° 80° 24° (1971) 102° (2007) 0.04" 0"
Jul 8 40° 81° 29° (1984) 95° (1985) 0.04" 0"
Jul 9 40° 81° 30° (2004) 101° (1985) 0.05" 0"
Jul 10 40° 81° 32° (1967) 95° (1985) 0.04" 0"
Jul 11 41° 82° 28° (2008) 93° (1968) 0.03" 0"
Jul 12 41° 82° 29° (1971) 101° (2002) 0.04" 0"
Jul 13 41° 82° 33° (1971) 101° (2002) 0.04" 0"
Jul 14 41° 83° 29° (2008) 103° (2002) 0.03" 0"
Jul 15 41° 83° 31° (1983) 97° (2007) 0.03" 0"
Jul 16 41° 83° 31° (2008) 97° (2007) 0.03" 0"
Jul 17 41° 84° 30° (1982) 97° (2007) 0.03" 0"
Jul 18 41° 84° 32° (1968) 100° (2004) 0.03" 0"
Jul 19 41° 84° 30° (2009) 98° (2003) 0.03" 0"
Jul 20 41° 84° 30° (2008) 98° (2003) 0.03" 0"
Jul 21 41° 85° 30° (1968) 99° (1985) 0.03" 0"
Jul 22 41° 85° 34° (1966) 97° (2007) 0.02" 0"
Jul 23 41° 85° 29° (1965) 101° (2009) 0.03" 0"
Jul 24 41° 85° 32° (1965) 101° (2003) 0.03" 0"
Jul 25 41° 85° 33° (1965) 97° (2006) 0.02" 0"
Jul 26 41° 85° 31° (1966) 97° (1984) 0.02" 0"
Jul 27 41° 85° 32° (1966) 98° (1975) 0.02" 0"
Jul 28 41° 86° 32° (1976) 97° (2007) 0.02" 0"
Jul 29 41° 86° 29° (2008) 99° (2007) 0.03" 0"
Jul 30 41° 86° 31° (1986) 97° (1966) 0.02" 0"
Jul 31 41° 86° 29° (2008) 100° (2000) 0.02" 0"
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