Sister Bay, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -27° (1982) 49° (2002) 1.58" NA
February 10° 26° -26° (1996) 52° (1984) 0.84" NA
March 20° 35° -26° (1962) 71° (2000) 1.67" NA
April 31° 46° 2° (1982) 77° (1952) 2.26" NA
May 41° 59° 20° (1950) 87° (1986) 2.65" NA
June 51° 68° 26° (1949) 92° (1988) 3.2" NA
July 58° 74° 35° (1972) 94° (1983) 3.06" NA
August 58° 72° 32° (1950) 97° (1955) 3.27" NA
September 51° 65° 26° (1976) 94° (1953) 3.34" NA
October 41° 53° 18° (1989) 84° (1963) 2.79" NA
November 30° 41° 1° (1950) 71° (1999) 2.43" NA
December 18° 29° -21° (1976) 58° (2001) 1.45" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 36° 53° 22° (1979) 75° (1952) 0.08" NA
May 2 36° 53° 22° (1990) 78° (1980) 0.08" NA
May 3 37° 54° 23° (1986) 79° (1980) 0.08" NA
May 4 37° 54° 24° (1967) 77° (1949) 0.08" NA
May 5 37° 55° 24° (1983) 82° (1949) 0.08" NA
May 6 38° 55° 21° (1976) 77° (1986) 0.08" NA
May 7 38° 56° 25° (1981) 74° (1957) 0.08" NA
May 8 38° 56° 20° (1950) 79° (1951) 0.08" NA
May 9 39° 56° 21° (1983) 77° (1987) 0.08" NA
May 10 39° 57° 22° (1983) 71° (1993) 0.08" NA
May 11 39° 57° 27° (1988) 77° (1987) 0.08" NA
May 12 40° 58° 25° (1976) 82° (1977) 0.08" NA
May 13 40° 58° 24° (1951) 86° (1977) 0.08" NA
May 14 40° 58° 24° (1953) 76° (1991) 0.08" NA
May 15 41° 59° 27° (1953) 77° (1988) 0.08" NA
May 16 41° 59° 28° (1950) 76° (1998) 0.08" NA
May 17 41° 60° 28° (1983) 78° (1998) 0.08" NA
May 18 42° 60° 32° (1956) 82° (1996) 0.09" NA
May 19 42° 60° 26° (1981) 85° (1998) 0.09" NA
May 20 42° 61° 31° (2002) 79° (1998) 0.09" NA
May 21 43° 61° 26° (1969) 79° (1980) 0.09" NA
May 22 43° 61° 27° (1967) 81° (1956) 0.09" NA
May 23 43° 62° 27° (1963) 81° (1980) 0.09" NA
May 24 44° 62° 30° (1956) 82° (1951) 0.09" NA
May 25 44° 62° 30° (1949) 76° (1972) 0.09" NA
May 26 44° 62° 28° (1969) 76° (1952) 0.09" NA
May 27 45° 63° 29° (1983) 80° (1986) 0.09" NA
May 28 45° 63° 27° (1949) 87° (1969) 0.09" NA
May 29 45° 63° 29° (1949) 87° (1986) 0.1" NA
May 30 46° 64° 27° (1973) 78° (1986) 0.1" NA
May 31 46° 64° 30° (1981) 80° (1995) 0.1" NA
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