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
May 1 35° 54° 25° (1996) 72° (1985) 0.08" NA
May 2 35° 55° 23° (1974) 74° (1974) 0.08" NA
May 3 35° 55° 22° (1996) 77° (2000) 0.08" NA
May 4 36° 56° 23° (1996) 76° (1999) 0.08" NA
May 5 36° 56° 26° (1996) 76° (1999) 0.08" NA
May 6 36° 57° 23° (1996) 85° (2000) 0.08" NA
May 7 36° 57° 16° (1974) 84° (2000) 0.08" NA
May 8 37° 58° 25° (1976) 78° (1992) 0.09" NA
May 9 37° 58° 25° (1977) 78° (2007) 0.09" NA
May 10 37° 59° 25° (1977) 85° (1985) 0.09" NA
May 11 38° 59° 27° (1996) 82° (2007) 0.09" NA
May 12 38° 59° 28° (2005) 83° (1991) 0.09" NA
May 13 38° 60° 31° (1989) 77° (1987) 0.09" NA
May 14 38° 60° 31° (1973) 77° (1987) 0.09" NA
May 15 39° 61° 30° (2000) 81° (1998) 0.09" NA
May 16 39° 61° 31° (1973) 82° (1977) 0.09" NA
May 17 39° 61° 30° (1994) 82° (1977) 0.09" NA
May 18 39° 62° 31° (1997) 78° (1989) 0.09" NA
May 19 40° 62° 29° (2000) 79° (1975) 0.09" NA
May 20 40° 62° 29° (2002) 80° (1992) 0.09" NA
May 21 40° 63° 31° (2002) 86° (1992) 0.09" NA
May 22 40° 63° 27° (1995) 87° (1974) 0.09" NA
May 23 41° 63° 35° (1987) 82° (1991) 0.1" NA
May 24 41° 63° 32° (1987) 84° (2007) 0.1" NA
May 25 41° 64° 34° (1976) 78° (2007) 0.1" NA
May 26 41° 64° 31° (1992) 75° (1989) 0.1" NA
May 27 42° 64° 32° (1994) 81° (1987) 0.1" NA
May 28 42° 64° 32° (2004) 84° (1987) 0.1" NA
May 29 42° 65° 33° (1973) 89° (1999) 0.1" NA
May 30 42° 65° 32° (1996) 89° (1999) 0.1" NA
May 31 43° 65° 37° (2003) 82° (1995) 0.1" NA
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