Altdorf, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -43° (1951) 57° (1981) 0.96" NA
February 31° -36° (1971) 58° (1981) 0.94" NA
March 21° 42° -36° (1962) 82° (1986) 1.84" NA
April 33° 58° 2° (1982) 90° (1980) 2.97" NA
May 44° 71° 22° (1978) 94° (1964) 3.77" NA
June 53° 79° 32° (1964) 96° (1963) 3.84" NA
July 57° 82° 37° (1972) 98° (1983) 4.17" NA
August 55° 80° 33° (1986) 99° (1955) 4.12" NA
September 46° 72° 20° (1974) 94° (1978) 3.71" NA
October 36° 60° 9° (1976) 92° (1976) 2.3" NA
November 24° 43° -15° (1976) 74° (1978) 2.02" NA
December 11° 29° -32° (1983) 62° (1982) 1.28" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 17° 34° -15° (1976) 61° (1962) 0.06" NA
Dec 2 17° 34° -15° (1976) 62° (1982) 0.05" NA
Dec 3 16° 34° -10° (1983) 60° (1962) 0.05" NA
Dec 4 16° 33° -14° (1976) 57° (1961) 0.05" NA
Dec 5 15° 33° -12° (1984) 55° (1960) 0.05" NA
Dec 6 15° 32° -14° (1955) 45° (1966) 0.05" NA
Dec 7 14° 32° -22° (1976) 48° (1963) 0.05" NA
Dec 8 14° 31° -18° (1976) 48° (1984) 0.05" NA
Dec 9 14° 31° -16° (1958) 44° (1984) 0.05" NA
Dec 10 13° 31° -22° (1978) 53° (1979) 0.05" NA
Dec 11 13° 30° -25° (1972) 50° (1949) 0.04" NA
Dec 12 12° 30° -16° (1985) 52° (1968) 0.04" NA
Dec 13 12° 30° -22° (1961) 50° (1968) 0.04" NA
Dec 14 11° 29° -24° (1985) 48° (1975) 0.04" NA
Dec 15 11° 29° -21° (1961) 43° (1957) 0.04" NA
Dec 16 11° 29° -16° (1951) 53° (1959) 0.04" NA
Dec 17 10° 28° -17° (1950) 49° (1984) 0.04" NA
Dec 18 10° 28° -25° (1983) 44° (1977) 0.04" NA
Dec 19 10° 28° -32° (1983) 42° (1953) 0.04" NA
Dec 20 27° -22° (1983) 48° (1967) 0.04" NA
Dec 21 27° -25° (1985) 50° (1967) 0.04" NA
Dec 22 27° -20° (1983) 50° (1957) 0.04" NA
Dec 23 27° -25° (1983) 40° (1954) 0.04" NA
Dec 24 26° -28° (1951) 43° (1955) 0.04" NA
Dec 25 26° -31° (1968) 50° (1982) 0.03" NA
Dec 26 26° -26° (1962) 42° (1958) 0.03" NA
Dec 27 26° -29° (1950) 42° (1959) 0.03" NA
Dec 28 26° -17° (1961) 44° (1958) 0.03" NA
Dec 29 25° -22° (1976) 54° (1984) 0.03" NA
Dec 30 25° -23° (1976) 45° (1979) 0.03" NA
Dec 31 25° -27° (1967) 50° (1965) 0.03" NA
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