Copper Harbor, Michigan
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 23° -18° (1994) 46° (1990) 2.87" NA
February 10° 26° -22° (1994) 55° (1994) 1.56" NA
March 18° 35° -23° (2003) 66° (1989) 2" NA
April 30° 46° -2° (1994) 83° (1990) 2.05" NA
May 39° 59° 16° (1974) 89° (1999) 2.81" NA
June 47° 68° 32° (1992) 94° (2002) 2.86" NA
July 55° 74° 42° (2007) 99° (1988) 2.7" NA
August 57° 74° 38° (1976) 94° (2001) 2.72" NA
September 51° 66° 30° (1991) 95° (1998) 3.14" NA
October 39° 52° 21° (1984) 81° (2007) 2.71" NA
November 28° 39° 3° (1976) 67° (2001) 3.1" NA
December 17° 28° -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
May 1 36° 53° 25° (1996) 72° (1985) NA NA
May 2 36° 54° 23° (1974) 74° (1974) NA NA
May 3 36° 54° 22° (1996) 77° (2000) NA NA
May 4 36° 55° 23° (1996) 76° (1999) NA NA
May 5 37° 55° 26° (1996) 76° (1999) NA NA
May 6 37° 56° 23° (1996) 85° (2000) NA NA
May 7 37° 56° 16° (1974) 84° (2000) NA NA
May 8 38° 56° 25° (1976) 78° (1992) NA NA
May 9 38° 57° 25° (1977) 78° (2007) NA NA
May 10 38° 57° 25° (1977) 85° (1985) NA NA
May 11 38° 58° 27° (1996) 82° (2007) NA NA
May 12 39° 58° 28° (2005) 83° (1991) NA NA
May 13 39° 58° 31° (1989) 77° (1987) NA NA
May 14 39° 59° 31° (1973) 77° (1987) NA NA
May 15 39° 59° 30° (2000) 81° (1998) NA NA
May 16 40° 59° 31° (1973) 82° (1977) NA NA
May 17 40° 60° 30° (1994) 82° (1977) NA NA
May 18 40° 60° 31° (1997) 78° (1989) NA NA
May 19 40° 60° 29° (2000) 79° (1975) NA NA
May 20 40° 61° 29° (2002) 80° (1992) NA NA
May 21 41° 61° 31° (2002) 86° (1992) NA NA
May 22 41° 61° 27° (1995) 87° (1974) NA NA
May 23 41° 61° 35° (1987) 82° (1991) NA NA
May 24 41° 62° 32° (1987) 84° (2007) NA NA
May 25 42° 62° 34° (1976) 78° (2007) NA NA
May 26 42° 62° 31° (1992) 75° (1989) NA NA
May 27 42° 62° 32° (1994) 81° (1987) NA NA
May 28 42° 63° 32° (2004) 84° (1987) NA NA
May 29 42° 63° 33° (1973) 89° (1999) NA NA
May 30 43° 63° 32° (1996) 89° (1999) NA NA
May 31 43° 63° 37° (2003) 82° (1995) NA NA
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