Isle Au Haut, Maine
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 32° -21° (1994) 56° (1995) 5.94" NA
February 14° 34° -18° (1993) 61° (1994) 4.52" NA
March 22° 42° -11° (1989) 80° (1998) 5.46" NA
April 32° 53° 8° (1995) 80° (1998) 4.93" NA
May 42° 65° 24° (1986) 96° (1992) 4.53" NA
June 51° 74° 32° (1986) 95° (1988) 4.1" NA
July 57° 80° 38° (1983) 96° (2002) 3.38" NA
August 56° 78° 35° (1986) 95° (2002) 2.93" NA
September 48° 69° 31° (1989) 95° (2002) 4.42" NA
October 38° 58° 22° (1999) 81° (1990) 4.86" NA
November 29° 47° 4° (1999) 71° (1990) 6.42" NA
December 17° 37° -16° (1989) 63° (1982) 5.81" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 37° 59° 30° (1995) 80° (2004) 0.15" NA
May 2 38° 60° 30° (1995) 76° (1998) 0.15" NA
May 3 38° 60° 28° (1986) 88° (2001) 0.15" NA
May 4 38° 60° 24° (1986) 89° (2001) 0.15" NA
May 5 39° 61° 28° (1997) 85° (2001) 0.15" NA
May 6 39° 61° 30° (1992) 76° (2000) 0.15" NA
May 7 39° 62° 28° (1995) 71° (2000) 0.15" NA
May 8 40° 62° 31° (1986) 77° (2000) 0.15" NA
May 9 40° 63° 27° (1985) 77° (1993) 0.15" NA
May 10 40° 63° 34° (1983) 81° (1987) 0.15" NA
May 11 41° 63° 34° (1999) 81° (1987) 0.15" NA
May 12 41° 64° 33° (1987) 84° (1991) 0.15" NA
May 13 41° 64° 32° (2005) 82° (2001) 0.15" NA
May 14 42° 64° 32° (1996) 73° (1985) 0.15" NA
May 15 42° 65° 34° (1987) 74° (1998) 0.15" NA
May 16 42° 65° 26° (1985) 79° (1998) 0.15" NA
May 17 43° 66° 30° (1983) 78° (1989) 0.15" NA
May 18 43° 66° 33° (1983) 78° (1989) 0.15" NA
May 19 43° 66° 32° (1991) 81° (1986) 0.15" NA
May 20 44° 67° 32° (2002) 80° (1986) 0.14" NA
May 21 44° 67° 34° (2000) 87° (1992) 0.14" NA
May 22 44° 67° 34° (1990) 95° (1992) 0.14" NA
May 23 45° 68° 32° (1990) 96° (1992) 0.14" NA
May 24 45° 68° 35° (1990) 88° (1992) 0.14" NA
May 25 45° 68° 37° (1987) 91° (2007) 0.14" NA
May 26 46° 69° 34° (1996) 92° (2007) 0.14" NA
May 27 46° 69° 34° (1997) 85° (2007) 0.14" NA
May 28 46° 69° 33° (1994) 82° (1988) 0.14" NA
May 29 46° 69° 40° (1983) 89° (1987) 0.14" NA
May 30 47° 70° 37° (2000) 85° (1998) 0.14" NA
May 31 47° 70° 34° (1990) 90° (1999) 0.14" NA
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