Ontonagon, Michigan
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -31° (1984) 56° (1981) 2.85" 53.4"
February 30° -42° (1979) 63° (1981) 1.68" 27.1"
March 18° 40° -27° (1984) 74° (1986) 1.73" 18.9"
April 30° 54° -4° (2003) 89° (2002) 2.26" 6.9"
May 41° 67° 18° (1978) 95° (2006) 2.97" 1"
June 50° 75° 25° (1992) 96° (2005) 3.03" 0"
July 55° 79° 32° (1988) 101° (1988) 3.28" 0"
August 54° 78° 34° (1982) 99° (1983) 2.86" 0"
September 47° 70° 25° (1981) 96° (1998) 3.28" 0.1"
October 37° 56° 15° (1989) 88° (2007) 3.5" 2.5"
November 27° 41° -5° (1993) 77° (1978) 2.69" 23.5"
December 14° 29° -23° (1996) 62° (1982) 3.04" 54.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 55° 79° 42° (1985) 96° (2006) 0.09" 0"
Aug 2 55° 79° 48° (2008) 94° (2005) 0.09" 0"
Aug 3 55° 79° 41° (1992) 91° (2005) 0.09" 0"
Aug 4 55° 79° 39° (1992) 91° (1989) 0.08" 0"
Aug 5 55° 79° NA (1987) 95° (2001) 0.09" 0"
Aug 6 55° 79° NA (1990) 91° (2001) 0.1" 0"
Aug 7 55° 79° 40° (1989) 99° (1983) 0.09" 0"
Aug 8 55° 79° 45° (1999) 97° (2005) 0.1" 0"
Aug 9 55° 79° 44° (1983) 90° (1992) 0.1" 0"
Aug 10 55° 79° 40° (2008) 91° (1995) 0.1" 0"
Aug 11 55° 79° 37° (1979) 93° (1988) 0.1" 0"
Aug 12 55° 79° 36° (1992) 87° (1978) 0.1" 0"
Aug 13 54° 79° 35° (1992) 91° (1978) 0.09" 0"
Aug 14 54° 79° 35° (1992) 93° (1978) 0.1" 0"
Aug 15 54° 79° 41° (2008) 93° (2003) 0.09" 0"
Aug 16 54° 79° 34° (1979) 93° (1988) 0.1" 0"
Aug 17 54° 78° 40° (1981) 90° (2008) 0.09" 0"
Aug 18 54° 78° 37° (1997) 92° (2003) 0.08" 0"
Aug 19 54° 78° 38° (2008) 89° (2003) 0.09" 0"
Aug 20 54° 78° 40° (1988) 88° (1995) 0.09" 0"
Aug 21 54° 78° 37° (1993) 85° (1978) 0.09" 0"
Aug 22 54° 78° 45° (1985) 87° (2008) 0.09" 0"
Aug 23 54° 77° 41° (2009) 89° (2010) 0.09" 0"
Aug 24 53° 77° 38° (1987) 88° (2003) 0.09" 0"
Aug 25 53° 77° 40° (2008) 93° (1993) 0.09" 0"
Aug 26 53° 77° 40° (1985) 94° (1991) 0.09" 0"
Aug 27 53° 77° 38° (1996) 95° (1991) 0.09" 0"
Aug 28 53° 76° 34° (1982) 94° (1991) 0.09" 0"
Aug 29 53° 76° 38° (1982) 95° (1991) 0.09" 0"
Aug 30 52° 76° 35° (2009) 94° (2010) 0.1" 0"
Aug 31 52° 76° 39° (2009) 92° (2008) 0.09" 0"
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