Sweeney, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° -33° (1988) 67° (1981) 0.31" NA
February 35° -37° (1994) 74° (1992) 0.43" NA
March 19° 46° -23° (1998) 88° (1988) 1.36" NA
April 31° 59° 3° (1997) 98° (1992) 2.06" NA
May 43° 70° 12° (1981) 97° (1992) 3.31" NA
June 53° 79° 31° (1998) 109° (1988) 3.51" NA
July 60° 88° 38° (1981) 117° (2006) 2.69" NA
August 57° 86° 35° (1978) 110° (1988) 2.28" NA
September 47° 77° 18° (1984) 107° (2001) 1.49" NA
October 33° 61° 1° (1991) 97° (1997) 1.51" NA
November 19° 44° -16° (1985) 87° (1999) 0.55" NA
December 31° -31° (1990) 73° (1998) 0.32" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 60° 89° 45° (1995) 108° (1987) NA NA
Aug 2 59° 89° 46° (1976) 106° (2005) NA NA
Aug 3 59° 89° 35° (1978) 107° (1980) NA NA
Aug 4 59° 88° 36° (1978) 106° (1980) NA NA
Aug 5 59° 88° 43° (1994) 102° (2001) NA NA
Aug 6 59° 88° 44° (1978) 110° (1980) NA NA
Aug 7 59° 88° 46° (1989) 105° (1980) NA NA
Aug 8 59° 88° 46° (1994) 105° (2005) NA NA
Aug 9 59° 88° 50° (1981) 102° (1976) NA NA
Aug 10 58° 88° 42° (1981) 104° (1988) NA NA
Aug 11 58° 87° 42° (1977) 102° (2000) NA NA
Aug 12 58° 87° 49° (1990) 107° (1978) NA NA
Aug 13 58° 87° 43° (2004) 103° (1978) NA NA
Aug 14 58° 87° 45° (1985) 110° (1988) NA NA
Aug 15 58° 87° 45° (1985) 104° (1988) NA NA
Aug 16 57° 87° 45° (1985) 100° (1988) NA NA
Aug 17 57° 86° 48° (1977) 106° (1976) NA NA
Aug 18 57° 86° 44° (2002) 104° (1976) NA NA
Aug 19 57° 86° 38° (2004) 103° (1976) NA NA
Aug 20 57° 86° 47° (2004) 107° (1976) NA NA
Aug 21 56° 86° 45° (1986) 103° (1976) NA NA
Aug 22 56° 85° 46° (1984) 101° (1976) NA NA
Aug 23 56° 85° 40° (1985) 108° (2003) NA NA
Aug 24 56° 85° 41° (1979) 104° (2003) NA NA
Aug 25 55° 85° 42° (1979) 106° (1991) NA NA
Aug 26 55° 84° 46° (1988) 108° (1976) NA NA
Aug 27 55° 84° 39° (1980) 106° (1976) NA NA
Aug 28 55° 84° 39° (1986) 102° (1983) NA NA
Aug 29 54° 84° 45° (1988) 102° (1983) NA NA
Aug 30 54° 83° 38° (1992) 102° (2000) NA NA
Aug 31 54° 83° 39° (1993) 104° (2000) NA NA
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