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
Jul 1 39° 76° 32° (1984) 94° (1990) 0.04" NA
Jul 2 39° 77° 29° (1979) 91° (1990) 0.04" NA
Jul 3 39° 77° 28° (1979) 90° (1985) 0.04" NA
Jul 4 39° 77° 28° (1994) 89° (1985) 0.04" NA
Jul 5 39° 78° 31° (1994) 93° (1985) 0.04" NA
Jul 6 39° 78° 30° (1986) 97° (1981) 0.04" NA
Jul 7 39° 78° 29° (1977) 95° (2007) 0.04" NA
Jul 8 39° 78° 30° (1984) 94° (1989) 0.04" NA
Jul 9 39° 79° 31° (1981) 92° (1985) 0.04" NA
Jul 10 39° 79° 33° (1984) 94° (1985) 0.04" NA
Jul 11 39° 79° 32° (1977) 91° (1985) 0.04" NA
Jul 12 39° 79° 32° (1987) 97° (2002) 0.04" NA
Jul 13 40° 79° 32° (1997) 97° (2002) 0.04" NA
Jul 14 40° 80° 31° (1979) 93° (2000) 0.04" NA
Jul 15 40° 80° 31° (1983) 98° (2007) 0.04" NA
Jul 16 40° 80° 33° (2000) 94° (2003) 0.04" NA
Jul 17 40° 80° 31° (1982) 97° (2004) 0.03" NA
Jul 18 40° 80° 31° (1986) 95° (2003) 0.03" NA
Jul 19 40° 81° 33° (1988) 96° (2003) 0.03" NA
Jul 20 40° 81° 34° (1987) 96° (2003) 0.03" NA
Jul 21 40° 81° 33° (1978) 96° (2003) 0.03" NA
Jul 22 40° 81° 35° (1981) 95° (1979) 0.03" NA
Jul 23 40° 81° 34° (1981) 99° (2003) 0.03" NA
Jul 24 40° 81° 37° (1986) 98° (2003) 0.03" NA
Jul 25 40° 82° 32° (1992) 91° (2006) 0.03" NA
Jul 26 40° 82° 33° (1992) 93° (1987) 0.04" NA
Jul 27 40° 82° 32° (1999) 94° (1988) 0.04" NA
Jul 28 40° 82° 32° (1986) 96° (1987) 0.04" NA
Jul 29 40° 82° 38° (1986) 94° (2006) 0.04" NA
Jul 30 40° 82° 32° (1986) 97° (2000) 0.04" NA
Jul 31 40° 82° 30° (1986) 97° (2000) 0.04" NA
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