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
Jun 1 37° 69° 26° (1979) 92° (1986) 0.07" NA
Jun 2 37° 69° 24° (1984) 92° (1986) 0.07" NA
Jun 3 37° 70° 30° (2003) 90° (1970) 0.07" NA
Jun 4 37° 70° 26° (1998) 89° (1970) 0.07" NA
Jun 5 37° 70° 26° (1998) 88° (1977) 0.07" NA
Jun 6 38° 70° 28° (1965) 97° (1977) 0.07" NA
Jun 7 38° 71° 28° (1980) 89° (1977) 0.07" NA
Jun 8 38° 71° 25° (1965) 91° (1996) 0.07" NA
Jun 9 38° 71° 26° (1985) 88° (1996) 0.07" NA
Jun 10 38° 71° 24° (1999) 88° (1992) 0.06" NA
Jun 11 39° 72° 26° (1973) 90° (1965) 0.06" NA
Jun 12 39° 72° 27° (1978) 85° (1979) 0.06" NA
Jun 13 39° 72° 28° (1966) 87° (1987) 0.06" NA
Jun 14 39° 73° 25° (1991) 94° (1987) 0.06" NA
Jun 15 39° 73° 28° (1979) 86° (1988) 0.06" NA
Jun 16 39° 73° 27° (1971) 90° (1988) 0.06" NA
Jun 17 40° 73° 27° (1991) 92° (1986) 0.06" NA
Jun 18 40° 74° 29° (1981) 91° (2003) 0.06" NA
Jun 19 40° 74° 31° (2001) 94° (2003) 0.06" NA
Jun 20 40° 74° 27° (1978) 92° (1988) 0.06" NA
Jun 21 40° 75° 30° (1978) 93° (1970) 0.06" NA
Jun 22 40° 75° 28° (1987) 94° (1973) 0.06" NA
Jun 23 40° 75° 30° (1979) 93° (1970) 0.06" NA
Jun 24 41° 76° 30° (1981) 91° (1990) 0.05" NA
Jun 25 41° 76° 29° (1983) 96° (1988) 0.05" NA
Jun 26 41° 76° 26° (1985) 93° (1970) 0.05" NA
Jun 27 41° 76° 27° (1976) 93° (2002) 0.05" NA
Jun 28 41° 77° 23° (1965) 96° (2007) 0.05" NA
Jun 29 41° 77° 31° (1988) 94° (2007) 0.05" NA
Jun 30 41° 78° 30° (1993) 92° (1985) 0.05" NA
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