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
Mar 1 13° 30° -9° (1988) 51° (1990) 0.05" NA
Mar 2 14° 30° -6° (1989) 48° (1990) 0.05" NA
Mar 3 14° 30° -16° (2003) 50° (1985) 0.06" NA
Mar 4 14° 31° -10° (1996) 50° (2000) 0.06" NA
Mar 5 15° 31° -18° (2003) 57° (1987) 0.06" NA
Mar 6 15° 31° -23° (2003) 61° (2000) 0.06" NA
Mar 7 15° 32° -19° (1996) 61° (2000) 0.06" NA
Mar 8 16° 32° -5° (1996) 61° (1987) 0.06" NA
Mar 9 16° 32° -2° (1996) 49° (1977) 0.06" NA
Mar 10 16° 33° 2° (1975) 54° (1977) 0.06" NA
Mar 11 17° 33° 0° (1975) 56° (2007) 0.06" NA
Mar 12 17° 33° -2° (1997) 54° (1995) 0.06" NA
Mar 13 17° 34° -11° (1997) 62° (2007) 0.06" NA
Mar 14 18° 34° -1° (1993) 58° (1995) 0.06" NA
Mar 15 18° 34° -2° (2005) 57° (1990) 0.06" NA
Mar 16 19° 34° -6° (1989) 60° (1990) 0.07" NA
Mar 17 19° 35° -8° (1989) 48° (1975) 0.07" NA
Mar 18 19° 35° -8° (1989) 46° (1975) 0.07" NA
Mar 19 20° 35° -8° (1989) 51° (1985) 0.07" NA
Mar 20 20° 36° 2° (1988) 49° (1987) 0.07" NA
Mar 21 20° 36° -15° (1988) 48° (2001) 0.07" NA
Mar 22 21° 37° -5° (1993) 58° (1987) 0.07" NA
Mar 23 21° 37° 1° (1997) 57° (2000) 0.07" NA
Mar 24 22° 37° -7° (1974) 58° (1987) 0.07" NA
Mar 25 22° 38° 3° (1994) 58° (1987) 0.07" NA
Mar 26 22° 38° -4° (1996) 57° (2007) 0.07" NA
Mar 27 23° 38° -8° (1996) 66° (1989) 0.07" NA
Mar 28 23° 39° 6° (1992) 54° (1993) 0.07" NA
Mar 29 23° 39° 16° (1992) 53° (2005) 0.07" NA
Mar 30 24° 39° 9° (1991) 54° (2005) 0.07" NA
Mar 31 24° 40° 4° (1997) 59° (1999) 0.07" NA
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