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
Dec 1 12° 32° -19° (1985) 51° (1972) 0.05" NA
Dec 2 11° 31° -7° (1983) 47° (1995) 0.05" NA
Dec 3 11° 31° -14° (1972) 56° (1975) 0.05" NA
Dec 4 11° 31° -38° (1972) 52° (1965) 0.05" NA
Dec 5 10° 30° -40° (1972) 48° (1989) 0.05" NA
Dec 6 10° 30° -32° (1972) 45° (1979) 0.06" NA
Dec 7 10° 30° -23° (1971) 42° (1989) 0.06" NA
Dec 8 30° -40° (1972) 50° (1979) 0.06" NA
Dec 9 30° -40° (1972) 62° (1975) 0.06" NA
Dec 10 29° -31° (1972) 50° (1979) 0.06" NA
Dec 11 29° -23° (1985) 50° (2004) 0.06" NA
Dec 12 29° -22° (2000) 53° (2004) 0.06" NA
Dec 13 29° -22° (2000) 48° (1998) 0.06" NA
Dec 14 29° -12° (1978) 48° (1979) 0.06" NA
Dec 15 29° -14° (1967) 57° (1980) 0.06" NA
Dec 16 28° -27° (1964) 50° (1966) 0.06" NA
Dec 17 28° -48° (1964) 53° (1980) 0.05" NA
Dec 18 28° -29° (1983) 52° (1966) 0.05" NA
Dec 19 28° -30° (1990) 45° (1972) 0.05" NA
Dec 20 28° -35° (1990) 50° (2004) 0.05" NA
Dec 21 28° -45° (1983) 42° (1994) 0.05" NA
Dec 22 28° -45° (1983) 43° (1964) 0.05" NA
Dec 23 28° -50° (1983) 43° (1964) 0.05" NA
Dec 24 28° -50° (1983) 43° (1967) 0.05" NA
Dec 25 28° -26° (1983) 41° (1975) 0.05" NA
Dec 26 28° -25° (1996) 51° (1980) 0.05" NA
Dec 27 28° -22° (1983) 47° (1980) 0.05" NA
Dec 28 27° -35° (1983) 43° (1980) 0.05" NA
Dec 29 27° -43° (1990) 47° (1965) 0.05" NA
Dec 30 27° -43° (1968) 46° (1997) 0.05" NA
Dec 31 27° -40° (1968) 51° (1997) 0.05" NA
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