Copper Harbor, Michigan
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 24° -18° (1994) 46° (1990) 2.87" NA
February 10° 27° -22° (1994) 55° (1994) 1.56" NA
March 19° 35° -23° (2003) 66° (1989) 2" NA
April 30° 47° -2° (1994) 83° (1990) 2.05" NA
May 39° 60° 16° (1974) 89° (1999) 2.81" NA
June 47° 68° 32° (1992) 94° (2002) 2.86" NA
July 55° 75° 42° (2007) 99° (1988) 2.7" NA
August 56° 74° 38° (1976) 94° (2001) 2.72" NA
September 49° 66° 30° (1991) 95° (1998) 3.14" NA
October 39° 54° 21° (1984) 81° (2007) 2.71" NA
November 28° 39° 3° (1976) 67° (2001) 3.1" NA
December 17° 29° -11° (1976) 65° (2000) 2.53" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 25° 40° 9° (1975) 55° (1997) 0.07" NA
Apr 2 25° 41° 10° (1985) 59° (1997) 0.07" NA
Apr 3 25° 41° 5° (1994) 56° (1991) 0.07" NA
Apr 4 26° 41° 5° (1995) 63° (1991) 0.07" NA
Apr 5 26° 42° 3° (1996) 72° (1991) 0.06" NA
Apr 6 26° 42° -2° (1994) 70° (1991) 0.06" NA
Apr 7 27° 43° 3° (1996) 68° (1991) 0.06" NA
Apr 8 27° 43° -2° (1974) 52° (1991) 0.06" NA
Apr 9 27° 43° 4° (1989) 57° (1987) 0.06" NA
Apr 10 28° 44° 10° (2007) 68° (1977) 0.06" NA
Apr 11 28° 44° 17° (1997) 68° (1977) 0.06" NA
Apr 12 28° 45° 12° (1975) 61° (1998) 0.06" NA
Apr 13 29° 45° 17° (1992) 64° (1998) 0.07" NA
Apr 14 29° 46° 14° (1996) 73° (2003) 0.07" NA
Apr 15 30° 46° 23° (1975) 67° (2002) 0.07" NA
Apr 16 30° 47° 23° (1994) 79° (2002) 0.07" NA
Apr 17 30° 47° 24° (1990) 79° (2002) 0.07" NA
Apr 18 31° 47° 19° (1997) 68° (1994) 0.07" NA
Apr 19 31° 48° 17° (1974) 76° (1987) 0.07" NA
Apr 20 31° 48° 25° (1991) 80° (1987) 0.07" NA
Apr 21 32° 49° 23° (1975) 72° (1973) 0.07" NA
Apr 22 32° 49° 24° (1991) 76° (1985) 0.07" NA
Apr 23 32° 50° 25° (2003) 72° (1990) 0.07" NA
Apr 24 33° 50° 22° (1974) 72° (1998) 0.07" NA
Apr 25 33° 51° 27° (1977) 75° (1990) 0.07" NA
Apr 26 33° 51° 22° (1993) 83° (1990) 0.07" NA
Apr 27 33° 52° 26° (1977) 79° (1990) 0.07" NA
Apr 28 34° 53° 21° (1994) 69° (1990) 0.08" NA
Apr 29 34° 53° 23° (1996) 77° (2007) 0.08" NA
Apr 30 34° 54° 25° (1974) 63° (1998) 0.08" NA
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