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
Sep 1 51° 76° 32° (1974) 92° (1953) 0.13" NA
Sep 2 51° 76° 35° (1974) 92° (1953) 0.14" NA
Sep 3 50° 76° 31° (1974) 90° (1960) 0.14" NA
Sep 4 50° 76° 30° (1974) 88° (1960) 0.14" NA
Sep 5 50° 75° 33° (1974) 86° (1979) 0.13" NA
Sep 6 49° 75° 35° (1962) 90° (1960) 0.13" NA
Sep 7 49° 75° 31° (1986) 94° (1976) 0.13" NA
Sep 8 49° 74° 35° (1951) 94° (1978) 0.13" NA
Sep 9 48° 74° 33° (1975) 94° (1955) 0.13" NA
Sep 10 48° 74° 29° (1967) 89° (1978) 0.13" NA
Sep 11 48° 73° 28° (1955) 88° (1952) 0.13" NA
Sep 12 48° 73° 28° (1955) 89° (1952) 0.13" NA
Sep 13 47° 73° 27° (1953) 87° (1952) 0.13" NA
Sep 14 47° 72° 30° (1974) 80° (1952) 0.13" NA
Sep 15 47° 72° 33° (1949) 80° (1969) 0.13" NA
Sep 16 46° 72° 30° (1984) 91° (1955) 0.13" NA
Sep 17 46° 71° 29° (1959) 89° (1955) 0.13" NA
Sep 18 46° 71° 29° (1959) 92° (1955) 0.12" NA
Sep 19 45° 71° 30° (1979) 87° (1985) 0.12" NA
Sep 20 45° 70° 25° (1956) 86° (1984) 0.12" NA
Sep 21 45° 70° 30° (1974) 82° (1970) 0.12" NA
Sep 22 44° 70° 20° (1974) 78° (1970) 0.12" NA
Sep 23 44° 69° 21° (1974) 86° (1958) 0.12" NA
Sep 24 44° 69° 21° (1976) 79° (1984) 0.11" NA
Sep 25 43° 69° 28° (1976) 82° (1986) 0.11" NA
Sep 26 43° 68° 27° (1966) 84° (1979) 0.11" NA
Sep 27 43° 68° 27° (1957) 83° (1986) 0.11" NA
Sep 28 42° 68° 23° (1976) 83° (1979) 0.11" NA
Sep 29 42° 67° 20° (1949) 82° (1979) 0.1" NA
Sep 30 42° 67° 25° (1984) 82° (1971) 0.1" NA
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