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
May 1 39° 65° 22° (1978) 89° (1952) 0.11" NA
May 2 39° 66° 24° (1978) 91° (1959) 0.11" NA
May 3 39° 66° 22° (1967) 88° (1959) 0.12" NA
May 4 40° 66° 24° (1976) 88° (1952) 0.12" NA
May 5 40° 67° 24° (1967) 86° (1959) 0.12" NA
May 6 40° 67° 23° (1970) 82° (1965) 0.12" NA
May 7 41° 68° 25° (1954) 85° (1965) 0.12" NA
May 8 41° 68° 25° (1954) 85° (1953) 0.12" NA
May 9 41° 69° 22° (1966) 85° (1953) 0.12" NA
May 10 42° 69° 24° (1966) 83° (1958) 0.12" NA
May 11 42° 69° 27° (1969) 85° (1979) 0.12" NA
May 12 42° 70° 27° (1967) 84° (1956) 0.12" NA
May 13 43° 70° 25° (1953) 88° (1977) 0.12" NA
May 14 43° 70° 27° (1973) 87° (1977) 0.12" NA
May 15 43° 71° 26° (1973) 87° (1977) 0.12" NA
May 16 44° 71° 27° (1956) 86° (1962) 0.12" NA
May 17 44° 71° 27° (1973) 85° (1962) 0.12" NA
May 18 44° 72° 28° (1984) 88° (1977) 0.12" NA
May 19 45° 72° 28° (1981) 94° (1964) 0.12" NA
May 20 45° 72° 29° (1954) 88° (1975) 0.12" NA
May 21 45° 73° 31° (1958) 88° (1970) 0.12" NA
May 22 46° 73° 28° (1967) 89° (1975) 0.12" NA
May 23 46° 73° 26° (1963) 89° (1975) 0.12" NA
May 24 46° 74° 32° (1956) 88° (1980) 0.12" NA
May 25 47° 74° 30° (1979) 88° (1977) 0.13" NA
May 26 47° 74° 30° (1983) 90° (1967) 0.13" NA
May 27 47° 74° 28° (1971) 89° (1978) 0.13" NA
May 28 47° 75° 32° (1971) 88° (1980) 0.13" NA
May 29 48° 75° 29° (1965) 88° (1969) 0.13" NA
May 30 48° 75° 32° (1966) 90° (1953) 0.13" NA
May 31 48° 76° 32° (1966) 90° (1986) 0.13" NA
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