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
Apr 1 24° 46° 9° (1996) 76° (2010) 0.07" 0.4"
Apr 2 25° 47° 8° (1992) 81° (2010) 0.06" 0.3"
Apr 3 25° 47° 3° (1987) 76° (2010) 0.07" 0.4"
Apr 4 26° 48° 4° (1995) 66° (1991) 0.06" 0.4"
Apr 5 26° 48° 2° (1996) 78° (1991) 0.07" 0.3"
Apr 6 27° 49° -4° (2003) 84° (1991) 0.07" 0.3"
Apr 7 27° 49° 0° (1996) 71° (1991) 0.08" 0.4"
Apr 8 27° 50° 4° (1997) 69° (1987) 0.07" 0.3"
Apr 9 28° 50° 1° (2007) 78° (1987) 0.07" 0.2"
Apr 10 28° 51° 5° (2007) 74° (1987) 0.08" 0.3"
Apr 11 29° 51° 9° (1997) 80° (2006) 0.07" 0.2"
Apr 12 29° 52° 17° (1997) 78° (1998) 0.07" 0.3"
Apr 13 30° 52° 10° (2008) 75° (1998) 0.08" 0.2"
Apr 14 30° 53° 6° (1996) 80° (2010) 0.07" 0.3"
Apr 15 30° 53° 21° (1981) 79° (2010) 0.08" 0.2"
Apr 16 31° 54° 19° (1980) 89° (2002) 0.07" 0.2"
Apr 17 31° 54° 6° (1983) 85° (2002) 0.08" 0.2"
Apr 18 32° 55° 10° (1983) 86° (1987) 0.07" 0.2"
Apr 19 32° 55° 18° (1983) 85° (1987) 0.08" 0.2"
Apr 20 32° 56° 19° (1991) 86° (1987) 0.07" 0.2"
Apr 21 33° 56° 19° (1991) 83° (1985) 0.07" 0.1"
Apr 22 33° 57° 17° (1986) 86° (1980) 0.08" 0.2"
Apr 23 33° 57° 25° (1983) 85° (1990) 0.07" 0.2"
Apr 24 34° 58° 25° (1980) 86° (1990) 0.08" 0.1"
Apr 25 34° 58° 23° (1997) 89° (1990) 0.09" 0.1"
Apr 26 35° 59° 22° (1996) 86° (1990) 0.08" 0.2"
Apr 27 35° 59° 20° (1998) 80° (1990) 0.08" 0.1"
Apr 28 35° 60° 22° (1994) 79° (2004) 0.09" 0.1"
Apr 29 36° 60° 23° (2008) 83° (2001) 0.09" 0.2"
Apr 30 36° 61° 19° (1978) 83° (2001) 0.09" 0.1"
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