Apostle Islands National Lak, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -33° (1951) 53° (1973) 1.69" 26.8"
February 10° 27° -34° (1996) 61° (1984) 1.1" 13.6"
March 20° 37° -17° (1989) 78° (1986) 1.74" 15.1"
April 31° 50° 2° (1995) 89° (1952) 2.84" 5.6"
May 41° 63° 17° (2004) 95° (1969) 3.26" 0.6"
June 50° 71° 22° (1984) 98° (1961) 3.64" 0"
July 56° 76° 36° (1972) 101° (1988) 3.53" 0"
August 56° 76° 34° (1962) 99° (1961) 3.45" 0"
September 49° 67° 27° (1967) 99° (1976) 3.7" 0"
October 38° 54° 15° (1988) 88° (1963) 3.17" 0.7"
November 26° 39° -6° (1958) 76° (1978) 2.45" 14.3"
December 12° 26° -24° (1996) 61° (1982) 1.66" 26.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 18° 31° -1° (1964) 56° (1962) 0.06" 0.6"
Dec 2 18° 31° -12° (1976) 56° (1962) 0.06" 0.6"
Dec 3 17° 30° -9° (1976) 61° (1982) 0.06" 0.7"
Dec 4 17° 30° -6° (1950) 55° (1962) 0.06" 0.7"
Dec 5 17° 29° -8° (1991) 50° (1960) 0.05" 0.7"
Dec 6 16° 29° -8° (1972) 53° (2001) 0.06" 0.7"
Dec 7 16° 29° -15° (1972) 42° (1984) 0.06" 0.8"
Dec 8 15° 28° -8° (1972) 44° (1984) 0.05" 0.7"
Dec 9 15° 28° -8° (1958) 51° (1990) 0.05" 0.8"
Dec 10 14° 27° -11° (1978) 48° (1990) 0.06" 0.9"
Dec 11 14° 27° -12° (1977) 45° (1949) 0.05" 0.8"
Dec 12 13° 27° -10° (1985) 49° (1998) 0.05" 0.9"
Dec 13 13° 27° -11° (1976) 52° (1998) 0.05" 0.8"
Dec 14 13° 26° -16° (1985) 46° (1993) 0.05" 0.9"
Dec 15 12° 26° -8° (1951) 55° (1998) 0.05" 0.8"
Dec 16 12° 26° -14° (1951) 46° (1984) 0.05" 0.9"
Dec 17 12° 25° -10° (1964) 43° (1997) 0.05" 0.8"
Dec 18 11° 25° -15° (1983) 44° (1967) 0.05" 0.9"
Dec 19 11° 25° -19° (1983) 48° (1997) 0.05" 0.9"
Dec 20 11° 25° -13° (1983) 48° (1956) 0.05" 0.9"
Dec 21 10° 25° -17° (1989) 49° (1967) 0.05" 0.9"
Dec 22 10° 24° -12° (1989) 44° (1994) 0.05" 1"
Dec 23 10° 24° -19° (1990) 46° (1950) 0.06" 0.9"
Dec 24 24° -19° (1951) 45° (1994) 0.05" 1"
Dec 25 24° -15° (1980) 48° (1994) 0.05" 1"
Dec 26 24° -22° (1996) 44° (1994) 0.06" 1"
Dec 27 23° -24° (1996) 45° (1994) 0.05" 1"
Dec 28 23° -10° (1976) 44° (1974) 0.06" 1.1"
Dec 29 23° -20° (1976) 45° (2003) 0.05" 1"
Dec 30 23° -21° (1976) 44° (1979) 0.06" 1"
Dec 31 23° -19° (1967) 44° (1965) 0.05" 1"
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