Ontonagon, Michigan
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -31° (1984) 56° (1981) 3.02" NA
February 30° -42° (1979) 63° (1981) 1.47" NA
March 18° 39° -27° (1984) 74° (1986) 2.04" NA
April 30° 53° -4° (2003) 89° (2002) 2.08" NA
May 40° 67° 18° (1978) 95° (2006) 3" NA
June 49° 75° 25° (1992) 96° (2005) 3.08" NA
July 54° 79° 32° (1988) 101° (1988) 3.46" NA
August 53° 78° 34° (1982) 99° (1983) 3.34" NA
September 46° 68° 25° (1981) 96° (1998) 3.09" NA
October 37° 57° 15° (1989) 88° (2007) 3.13" NA
November 26° 40° -5° (1993) 77° (1978) 2.79" NA
December 14° 28° -23° (1996) 62° (1982) 3.06" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 24° 46° 9° (1996) 69° (1986) 0.07" NA
Apr 2 25° 46° 8° (1992) 68° (1981) 0.07" NA
Apr 3 25° 47° 3° (1987) 65° (1991) 0.07" NA
Apr 4 26° 47° 4° (1995) 66° (1991) 0.07" NA
Apr 5 26° 48° 2° (1996) 78° (1991) 0.07" NA
Apr 6 26° 48° -4° (2003) 84° (1991) 0.06" NA
Apr 7 27° 48° 0° (1996) 71° (1991) 0.06" NA
Apr 8 27° 49° 4° (1997) 69° (1987) 0.06" NA
Apr 9 28° 49° 1° (2007) 78° (1987) 0.06" NA
Apr 10 28° 50° 5° (2007) 74° (1987) 0.06" NA
Apr 11 29° 50° 9° (1997) 80° (2006) 0.06" NA
Apr 12 29° 51° 17° (1997) 78° (1998) 0.06" NA
Apr 13 29° 51° 15° (1992) 75° (1998) 0.07" NA
Apr 14 30° 52° 6° (1996) 79° (2003) 0.07" NA
Apr 15 30° 52° 21° (1981) 73° (2003) 0.07" NA
Apr 16 30° 53° 19° (1980) 89° (2002) 0.07" NA
Apr 17 31° 53° 6° (1983) 85° (2002) 0.07" NA
Apr 18 31° 54° 10° (1983) 86° (1987) 0.07" NA
Apr 19 32° 54° 18° (1983) 85° (1987) 0.07" NA
Apr 20 32° 55° 19° (1991) 86° (1987) 0.07" NA
Apr 21 32° 55° 19° (1991) 83° (1985) 0.07" NA
Apr 22 33° 56° 17° (1986) 86° (1980) 0.07" NA
Apr 23 33° 56° 25° (1983) 85° (1990) 0.07" NA
Apr 24 33° 57° 25° (1980) 86° (1990) 0.07" NA
Apr 25 34° 58° 23° (1997) 89° (1990) 0.07" NA
Apr 26 34° 58° 22° (1996) 86° (1990) 0.08" NA
Apr 27 34° 59° 20° (1998) 80° (1990) 0.08" NA
Apr 28 35° 59° 22° (1994) 79° (2004) 0.08" NA
Apr 29 35° 60° 24° (2000) 83° (2001) 0.08" NA
Apr 30 35° 60° 19° (1978) 83° (2001) 0.08" NA
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