Mackinac Island, Michigan
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 25° -27° (1981) 48° (1975) 1.68" NA
February 12° 26° -29° (1987) 54° (2000) 1.01" NA
March 20° 35° -17° (2003) 65° (1995) 1.6" NA
April 32° 47° -2° (2003) 80° (1990) 2" NA
May 43° 60° 15° (1981) 84° (1987) 2.44" NA
June 53° 69° 29° (1983) 88° (1976) 2.51" NA
July 60° 75° 39° (1983) 90° (2005) 2.72" NA
August 60° 74° 38° (1986) 93° (1985) 2.58" NA
September 52° 66° 26° (1981) 89° (1999) 3.09" NA
October 42° 54° 20° (1974) 79° (2007) 2.89" NA
November 32° 41° 6° (1986) 65° (1999) 2.39" NA
December 21° 30° -16° (1977) 60° (2001) 1.62" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 56° 71° 43° (1976) 85° (2000) 0.09" NA
Sep 2 56° 70° 39° (1976) 82° (1999) 0.1" NA
Sep 3 56° 70° 40° (1987) 82° (1999) 0.1" NA
Sep 4 55° 70° 44° (1984) 83° (1999) 0.1" NA
Sep 5 55° 69° 40° (1976) 89° (1999) 0.1" NA
Sep 6 55° 69° 40° (1974) 82° (2004) 0.1" NA
Sep 7 54° 69° 37° (1986) 82° (2007) 0.1" NA
Sep 8 54° 68° 42° (1979) 83° (2001) 0.1" NA
Sep 9 54° 68° 35° (1981) 82° (2002) 0.1" NA
Sep 10 53° 68° 42° (1995) 87° (2002) 0.1" NA
Sep 11 53° 67° 42° (1995) 81° (2003) 0.1" NA
Sep 12 53° 67° 41° (1975) 82° (1982) 0.1" NA
Sep 13 52° 67° 38° (1975) 81° (1982) 0.1" NA
Sep 14 52° 66° 34° (1975) 79° (2004) 0.1" NA
Sep 15 52° 66° 39° (1995) 82° (2004) 0.11" NA
Sep 16 51° 65° 37° (1974) 75° (1994) 0.11" NA
Sep 17 51° 65° 36° (1990) 80° (2003) 0.11" NA
Sep 18 51° 65° 37° (1974) 80° (2007) 0.11" NA
Sep 19 50° 64° 38° (1993) 81° (1985) 0.11" NA
Sep 20 50° 64° 34° (1979) 77° (1998) 0.11" NA
Sep 21 50° 64° 41° (1974) 77° (2002) 0.11" NA
Sep 22 50° 63° 30° (1974) 77° (2007) 0.11" NA
Sep 23 49° 63° 29° (1974) 78° (1985) 0.11" NA
Sep 24 49° 63° 37° (1980) 76° (2004) 0.11" NA
Sep 25 49° 62° 35° (1976) 82° (1999) 0.1" NA
Sep 26 48° 62° 35° (1984) 78° (1999) 0.1" NA
Sep 27 48° 61° 31° (1989) 78° (1999) 0.1" NA
Sep 28 48° 61° 26° (1981) 76° (1979) 0.1" NA
Sep 29 47° 61° 34° (1984) 73° (1982) 0.1" NA
Sep 30 47° 60° 30° (1993) 77° (1995) 0.1" NA
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