Forsyth, Montana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 35° -38° (1996) 70° (1992) 0.45" 4.6"
February 14° 40° -38° (1996) 73° (1995) 0.46" 3.9"
March 23° 50° -27° (1989) 86° (2004) 0.97" 3.2"
April 33° 61° 6° (1986) 91° (1980) 1.51" 2"
May 42° 70° 19° (2004) 99° (1980) 2.54" 0.8"
June 51° 79° 34° (2004) 106° (1988) 2.37" 0"
July 57° 88° 41° (1987) 110° (2002) 1.5" 0"
August 55° 87° 32° (1992) 105° (1995) 1.1" 0"
September 45° 75° 19° (1985) 102° (1983) 1.4" 0.3"
October 33° 61° -11° (1991) 93° (1997) 1.23" 1.1"
November 21° 46° -27° (1977) 82° (1999) 0.68" 3.6"
December 11° 34° -44° (1989) 70° (1995) 0.54" 6.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 50° 82° 40° (2005) 102° (1983) 0.04" 0"
Sep 2 50° 82° 40° (2006) 98° (1998) 0.03" 0"
Sep 3 50° 81° 40° (2006) 98° (1998) 0.04" 0"
Sep 4 49° 81° 38° (1980) 101° (1998) 0.04" 0"
Sep 5 49° 81° 39° (1989) 98° (1976) 0.04" 0"
Sep 6 48° 80° 39° (1986) 97° (1980) 0.05" 0"
Sep 7 48° 80° 33° (1986) 97° (1998) 0.04" 0"
Sep 8 48° 79° 36° (2008) 99° (1998) 0.04" 0"
Sep 9 47° 79° 30° (1976) 98° (1998) 0.05" 0"
Sep 10 47° 78° 30° (1992) 100° (2005) 0.04" 0"
Sep 11 46° 78° 23° (1989) 90° (1981) 0.05" 0"
Sep 12 46° 77° 23° (1989) 94° (1990) 0.05" 0"
Sep 13 46° 77° 30° (1989) 89° (1996) 0.04" 0"
Sep 14 45° 76° 28° (1993) 88° (2009) 0.05" 0"
Sep 15 45° 76° 33° (1979) 96° (1998) 0.05" 0"
Sep 16 44° 75° 35° (1980) 95° (2000) 0.04" 0.1"
Sep 17 44° 75° 32° (1981) 94° (1979) 0.05" 0"
Sep 18 43° 74° 26° (1991) 94° (1984) 0.04" 0"
Sep 19 43° 74° 29° (1991) 95° (2009) 0.05" 0"
Sep 20 43° 73° 30° (1982) 89° (2008) 0.05" 0"
Sep 21 42° 73° 22° (1995) 87° (2005) 0.05" 0"
Sep 22 42° 72° 24° (1995) 88° (2007) 0.06" 0"
Sep 23 41° 72° 27° (1993) 96° (1992) 0.05" 0"
Sep 24 41° 71° 26° (2000) 89° (1992) 0.05" 0"
Sep 25 41° 71° 23° (1984) 91° (1997) 0.06" 0.1"
Sep 26 40° 70° 29° (1985) 92° (2010) 0.05" 0"
Sep 27 40° 70° 26° (1976) 91° (2001) 0.05" 0"
Sep 28 39° 69° 28° (1976) 96° (2001) 0.05" 0"
Sep 29 39° 69° 21° (1984) 90° (1989) 0.05" 0.1"
Sep 30 39° 68° 19° (1985) 91° (1997) 0.05" 0"
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