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
Mar 1 12° 34° -24° (1980) 58° (1990) 0.05" NA
Mar 2 12° 34° -22° (1989) 52° (1993) 0.05" NA
Mar 3 12° 35° -16° (1982) 52° (2000) 0.06" NA
Mar 4 13° 35° -16° (1996) 52° (2000) 0.06" NA
Mar 5 13° 35° -12° (1978) 59° (2000) 0.06" NA
Mar 6 14° 35° -20° (1989) 69° (2000) 0.06" NA
Mar 7 14° 36° -27° (1984) 68° (2000) 0.06" NA
Mar 8 14° 36° -21° (1984) 70° (2000) 0.06" NA
Mar 9 15° 36° -15° (1984) 52° (1985) 0.06" NA
Mar 10 15° 37° -6° (1996) 57° (1990) 0.06" NA
Mar 11 15° 37° -6° (1984) 59° (1995) 0.06" NA
Mar 12 16° 38° -16° (1980) 65° (1995) 0.07" NA
Mar 13 16° 38° -8° (1992) 65° (1995) 0.07" NA
Mar 14 17° 38° -15° (1993) 64° (1990) 0.07" NA
Mar 15 17° 39° -15° (1998) 67° (1990) 0.07" NA
Mar 16 17° 39° -17° (1997) 55° (1979) 0.07" NA
Mar 17 18° 39° -12° (1989) 54° (1979) 0.07" NA
Mar 18 18° 40° -16° (1989) 56° (1979) 0.07" NA
Mar 19 19° 40° -14° (1989) 57° (1987) 0.07" NA
Mar 20 19° 41° -21° (1986) 58° (1987) 0.07" NA
Mar 21 19° 41° -14° (1989) 55° (1987) 0.07" NA
Mar 22 20° 41° -8° (1989) 66° (1987) 0.07" NA
Mar 23 20° 42° -2° (1997) 66° (1987) 0.07" NA
Mar 24 21° 42° -8° (1983) 69° (1987) 0.07" NA
Mar 25 21° 43° -10° (2002) 68° (2007) 0.07" NA
Mar 26 22° 43° -9° (1979) 68° (2007) 0.07" NA
Mar 27 22° 43° -22° (1996) 68° (1989) 0.07" NA
Mar 28 22° 44° -1° (1982) 70° (1986) 0.07" NA
Mar 29 23° 44° 8° (1983) 69° (1986) 0.07" NA
Mar 30 23° 45° 5° (1994) 64° (2005) 0.07" NA
Mar 31 24° 45° 8° (1997) 74° (1986) 0.07" NA
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