Apostle Islands National Lak, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° -33° (1951) 53° (1973) 1.78" 24.9"
February 27° -34° (1996) 61° (1984) 0.97" 10.3"
March 18° 37° -17° (1989) 78° (1986) 2.2" 13"
April 30° 50° 2° (1995) 89° (1952) 2.25" 4.6"
May 40° 64° 17° (2004) 95° (1969) 3.18" 0.3"
June 49° 72° 22° (1984) 98° (1961) 3.84" 0"
July 56° 77° 36° (1972) 101° (1988) 4.06" 0"
August 55° 75° 34° (1962) 99° (1961) 3.99" 0"
September 46° 66° 27° (1967) 99° (1976) 3.78" 0"
October 36° 54° 15° (1988) 88° (1963) 2.82" 0.5"
November 24° 38° -6° (1958) 76° (1978) 2.86" 11.8"
December 11° 26° -24° (1996) 61° (1982) 1.73" 22.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 12° 31° -9° (1953) 60° (2000) 0.05" NA
Mar 2 12° 32° -17° (1989) 57° (1993) 0.05" NA
Mar 3 12° 32° -17° (1989) 49° (1993) 0.05" NA
Mar 4 13° 32° -9° (2002) 58° (2000) 0.06" NA
Mar 5 13° 33° -13° (2003) 56° (2000) 0.06" NA
Mar 6 14° 33° -12° (2003) 56° (2000) 0.06" NA
Mar 7 14° 33° -17° (1984) 65° (1987) 0.06" NA
Mar 8 14° 34° -12° (1967) 69° (1987) 0.06" NA
Mar 9 15° 34° -8° (2003) 58° (1977) 0.07" NA
Mar 10 15° 34° -8° (2003) 58° (1985) 0.07" NA
Mar 11 15° 35° -8° (1984) 55° (1990) 0.07" NA
Mar 12 16° 35° -10° (1950) 52° (1996) 0.07" NA
Mar 13 16° 35° -1° (2005) 60° (1995) 0.07" NA
Mar 14 17° 36° -2° (1950) 64° (1995) 0.07" NA
Mar 15 17° 36° -4° (1950) 59° (1995) 0.07" NA
Mar 16 17° 37° -9° (1997) 57° (1995) 0.07" NA
Mar 17 18° 37° -6° (1955) 67° (1966) 0.07" NA
Mar 18 18° 37° -8° (1993) 60° (1968) 0.08" NA
Mar 19 19° 38° -10° (1965) 58° (1976) 0.08" NA
Mar 20 19° 38° -11° (1965) 54° (1976) 0.08" NA
Mar 21 19° 38° -5° (1965) 54° (1987) 0.08" NA
Mar 22 20° 39° -4° (1974) 61° (1985) 0.08" NA
Mar 23 20° 39° -12° (1974) 60° (2000) 0.08" NA
Mar 24 21° 40° -15° (1974) 62° (1963) 0.08" NA
Mar 25 21° 40° -4° (1965) 62° (1987) 0.08" NA
Mar 26 22° 41° -4° (1965) 65° (1968) 0.08" NA
Mar 27 22° 41° -8° (1996) 63° (2000) 0.08" NA
Mar 28 22° 41° 2° (1965) 69° (1986) 0.08" NA
Mar 29 23° 42° 1° (1969) 68° (1963) 0.08" NA
Mar 30 23° 42° 0° (1969) 68° (1967) 0.08" NA
Mar 31 24° 43° 5° (1964) 78° (1986) 0.08" NA
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