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
Jul 1 41° 78° 31° (1966) 94° (1985) 0.04" NA
Jul 2 41° 78° 28° (1979) 94° (1985) 0.04" NA
Jul 3 41° 79° 27° (1979) 94° (1985) 0.04" NA
Jul 4 41° 79° 29° (1971) 98° (1985) 0.04" NA
Jul 5 41° 79° 30° (1986) 97° (1981) 0.04" NA
Jul 6 41° 79° 29° (1988) 99° (2007) 0.04" NA
Jul 7 42° 80° 24° (1971) 102° (2007) 0.03" NA
Jul 8 42° 80° 29° (1984) 95° (1985) 0.03" NA
Jul 9 42° 80° 30° (2004) 101° (1985) 0.03" NA
Jul 10 42° 81° 32° (1967) 95° (1985) 0.03" NA
Jul 11 42° 81° 32° (1997) 93° (1968) 0.03" NA
Jul 12 42° 81° 29° (1971) 101° (2002) 0.03" NA
Jul 13 42° 81° 33° (1971) 101° (2002) 0.03" NA
Jul 14 42° 81° 30° (1977) 103° (2002) 0.03" NA
Jul 15 42° 82° 31° (1983) 97° (2007) 0.03" NA
Jul 16 42° 82° 33° (2000) 97° (2007) 0.03" NA
Jul 17 42° 82° 30° (1982) 97° (2007) 0.03" NA
Jul 18 42° 82° 32° (1968) 100° (2004) 0.03" NA
Jul 19 42° 82° 34° (1987) 98° (2003) 0.03" NA
Jul 20 42° 83° 34° (1996) 98° (2003) 0.03" NA
Jul 21 42° 83° 30° (1968) 99° (1985) 0.03" NA
Jul 22 42° 83° 34° (1966) 97° (2007) 0.03" NA
Jul 23 42° 83° 29° (1965) 100° (2007) 0.02" NA
Jul 24 42° 83° 32° (1965) 101° (2003) 0.02" NA
Jul 25 42° 83° 33° (1965) 97° (2006) 0.03" NA
Jul 26 42° 83° 31° (1966) 97° (1984) 0.03" NA
Jul 27 42° 83° 32° (1966) 98° (1975) 0.03" NA
Jul 28 42° 84° 32° (1976) 97° (2007) 0.03" NA
Jul 29 41° 84° 31° (1986) 99° (2007) 0.03" NA
Jul 30 41° 84° 31° (1986) 97° (1966) 0.03" NA
Jul 31 41° 84° 31° (1968) 100° (2000) 0.03" NA
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