Altamont, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° -31° (1982) 66° (1981) 0.78" 8.6"
February 27° -33° (1996) 62° (2000) 0.66" 6.9"
March 18° 38° -18° (1960) 79° (1967) 1.79" 10.1"
April 32° 54° 0° (1975) 94° (1980) 2.25" 3.5"
May 45° 68° 19° (1967) 98° (1959) 3.12" 0.7"
June 55° 77° 34° (1990) 102° (1988) 4.27" 0"
July 60° 82° 39° (1967) 107° (1966) 3.46" 0"
August 58° 80° 36° (2004) 102° (1955) 3.12" 0"
September 48° 70° 19° (2000) 97° (1959) 2.44" 0.1"
October 34° 58° 9° (1991) 89° (1963) 2.03" 1.4"
November 20° 38° -18° (1964) 78° (1999) 1.32" 7.4"
December 24° -30° (1989) 60° (1998) 0.53" 8.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 61° 82° 47° (1995) 102° (1955) 0.1" NA
Aug 2 61° 82° 43° (1971) 100° (1955) 0.1" NA
Aug 3 60° 82° 42° (1971) 96° (1955) 0.1" NA
Aug 4 60° 82° 46° (1978) 97° (1958) 0.1" NA
Aug 5 60° 82° 43° (1957) 95° (1959) 0.1" NA
Aug 6 60° 82° 48° (1977) 94° (1968) 0.11" NA
Aug 7 60° 81° 51° (1955) 96° (1983) 0.11" NA
Aug 8 60° 81° 48° (1964) 98° (1958) 0.11" NA
Aug 9 60° 81° 43° (1972) 97° (1958) 0.1" NA
Aug 10 60° 81° 43° (1985) 93° (1958) 0.1" NA
Aug 11 60° 81° 45° (1986) 95° (1958) 0.1" NA
Aug 12 60° 81° 42° (1964) 97° (1965) 0.1" NA
Aug 13 59° 80° 38° (1964) 100° (1965) 0.1" NA
Aug 14 59° 80° 43° (1968) 94° (1965) 0.1" NA
Aug 15 59° 80° 44° (1979) 97° (1988) 0.1" NA
Aug 16 59° 80° 50° (1962) 95° (1988) 0.1" NA
Aug 17 59° 80° 40° (1981) 97° (1955) 0.1" NA
Aug 18 58° 79° 41° (2002) 98° (1959) 0.1" NA
Aug 19 58° 79° 40° (2004) 97° (1955) 0.1" NA
Aug 20 58° 79° 40° (1956) 97° (1955) 0.1" NA
Aug 21 58° 79° 39° (2004) 95° (1955) 0.1" NA
Aug 22 57° 78° 36° (2004) 97° (1971) 0.1" NA
Aug 23 57° 78° 39° (1987) 94° (1971) 0.1" NA
Aug 24 57° 78° 42° (1956) 94° (1959) 0.1" NA
Aug 25 56° 78° 43° (1964) 95° (1959) 0.1" NA
Aug 26 56° 77° 41° (1958) 96° (1973) 0.1" NA
Aug 27 56° 77° 40° (1982) 96° (1973) 0.1" NA
Aug 28 55° 77° 37° (1965) 98° (1984) 0.1" NA
Aug 29 55° 76° 40° (1988) 97° (1984) 0.1" NA
Aug 30 55° 76° 46° (1988) 90° (1961) 0.1" NA
Aug 31 54° 76° 37° (1987) 91° (1957) 0.09" NA
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