Helmville, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -43° (1979) 55° (1989) 0.71" NA
February 34° -48° (1982) 63° (1995) 0.56" NA
March 19° 44° -24° (1989) 74° (2004) 0.58" NA
April 25° 54° 1° (1982) 83° (1987) 0.85" NA
May 32° 63° 14° (1999) 93° (1986) 1.68" NA
June 39° 71° 24° (1999) 95° (1988) 1.87" NA
July 42° 81° 28° (1994) 99° (2003) 1.14" NA
August 40° 80° 21° (1992) 98° (2003) 1.16" NA
September 32° 69° 9° (2000) 93° (1998) 1.11" NA
October 23° 56° -13° (1991) 88° (1992) 0.82" NA
November 16° 39° -23° (1985) 72° (1999) 1" NA
December 28° -45° (1983) 58° (1980) 0.86" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 42° 83° 33° (1986) 98° (2000) 0.03" NA
Aug 2 42° 83° 31° (1987) 92° (2004) 0.03" NA
Aug 3 42° 83° 34° (1979) 90° (1977) 0.04" NA
Aug 4 42° 83° 31° (1979) 93° (2001) 0.03" NA
Aug 5 42° 83° 33° (1980) 91° (1997) 0.03" NA
Aug 6 42° 83° 32° (1979) 93° (1998) 0.04" NA
Aug 7 42° 83° 29° (1996) 97° (1983) 0.03" NA
Aug 8 41° 83° 29° (1995) 94° (1990) 0.04" NA
Aug 9 41° 82° 29° (1995) 96° (1991) 0.03" NA
Aug 10 41° 82° 33° (1980) 98° (2003) 0.04" NA
Aug 11 41° 82° 30° (1977) 93° (1984) 0.04" NA
Aug 12 41° 82° 30° (1987) 93° (1996) 0.04" NA
Aug 13 41° 82° 28° (1995) 95° (2007) 0.03" NA
Aug 14 40° 81° 29° (1995) 94° (1992) 0.04" NA
Aug 15 40° 81° 33° (2005) 95° (1994) 0.04" NA
Aug 16 40° 81° 29° (2002) 95° (1990) 0.03" NA
Aug 17 40° 81° 31° (1985) 91° (2008) 0.04" NA
Aug 18 40° 80° 28° (1987) 94° (2008) 0.04" NA
Aug 19 40° 80° 29° (1987) 95° (2008) 0.04" NA
Aug 20 39° 80° 28° (1996) 90° (1977) 0.03" NA
Aug 21 39° 79° 29° (2000) 92° (1995) 0.04" NA
Aug 22 39° 79° 29° (2000) 91° (2009) 0.04" NA
Aug 23 39° 79° 30° (1985) 92° (1976) 0.04" NA
Aug 24 38° 78° 27° (1993) 90° (1996) 0.04" NA
Aug 25 38° 78° 21° (1992) 92° (1988) 0.04" NA
Aug 26 38° 78° 21° (1992) 94° (1981) 0.04" NA
Aug 27 38° 77° 29° (1987) 94° (1999) 0.04" NA
Aug 28 37° 77° 25° (1977) 92° (1981) 0.04" NA
Aug 29 37° 77° 26° (1980) 91° (1986) 0.05" NA
Aug 30 37° 76° 24° (1980) 91° (1991) 0.04" NA
Aug 31 37° 76° 24° (2006) 94° (1991) 0.04" NA
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