Helmville, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° -43° (1979) 55° (1989) 0.95" NA
February 35° -48° (1982) 63° (1995) 0.65" NA
March 18° 44° -24° (1989) 74° (2004) 0.55" NA
April 24° 55° 1° (1982) 83° (1987) 0.85" NA
May 31° 64° 14° (1999) 93° (1986) 1.76" NA
June 37° 72° 24° (1999) 95° (1988) 1.67" NA
July 40° 80° 28° (1994) 99° (2003) 1.15" NA
August 38° 80° 21° (1992) 98° (2003) 1.24" NA
September 30° 70° 9° (2000) 93° (1998) 0.99" NA
October 22° 57° -13° (1991) 88° (1992) 0.82" NA
November 15° 39° -23° (1985) 72° (1999) 0.96" NA
December 29° -45° (1983) 58° (1980) 0.99" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 10° 32° -19° (1985) 43° (1999) 0.04" NA
Dec 2 32° -22° (1978) 44° (1986) 0.04" NA
Dec 3 32° -17° (1978) 43° (1977) 0.04" NA
Dec 4 31° -13° (1984) 49° (1979) 0.04" NA
Dec 5 31° -17° (1992) 50° (1979) 0.04" NA
Dec 6 31° -12° (1984) 50° (1989) 0.04" NA
Dec 7 31° -24° (1978) 49° (1989) 0.03" NA
Dec 8 30° -19° (1978) 43° (1979) 0.03" NA
Dec 9 30° -21° (1995) 49° (1979) 0.03" NA
Dec 10 30° -19° (1995) 50° (1979) 0.03" NA
Dec 11 30° -24° (1985) 46° (1981) 0.03" NA
Dec 12 30° -23° (2000) 50° (1980) 0.03" NA
Dec 13 29° -24° (1978) 48° (1988) 0.03" NA
Dec 14 29° -19° (1978) 42° (1977) 0.03" NA
Dec 15 29° -15° (2000) 45° (1979) 0.03" NA
Dec 16 29° -22° (1979) 54° (1980) 0.03" NA
Dec 17 29° -25° (1983) 58° (1980) 0.03" NA
Dec 18 29° -32° (1983) 54° (1980) 0.03" NA
Dec 19 28° -24° (1990) 40° (1994) 0.03" NA
Dec 20 28° -34° (1990) 51° (2004) 0.03" NA
Dec 21 28° -41° (1990) 42° (1994) 0.03" NA
Dec 22 28° -39° (1983) 40° (1982) 0.03" NA
Dec 23 28° -45° (1983) 45° (1994) 0.03" NA
Dec 24 28° -42° (1983) 42° (1980) 0.03" NA
Dec 25 28° -39° (1983) 42° (1989) 0.03" NA
Dec 26 28° -27° (1996) 42° (1980) 0.03" NA
Dec 27 28° -26° (1996) 52° (1980) 0.03" NA
Dec 28 28° -37° (1983) 50° (1980) 0.03" NA
Dec 29 28° -40° (1990) 45° (1980) 0.03" NA
Dec 30 28° -40° (1978) 46° (1997) 0.03" NA
Dec 31 28° -38° (1978) 49° (1997) 0.03" NA
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