Sweeney, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -33° (1988) 67° (1981) 0.31" NA
February 13° 36° -37° (1994) 74° (1992) 0.43" NA
March 22° 47° -23° (1998) 88° (1988) 1.36" NA
April 33° 61° 3° (1997) 98° (1992) 2.06" NA
May 44° 72° 12° (1981) 97° (1992) 3.31" NA
June 54° 82° 31° (1998) 109° (1988) 3.51" NA
July 59° 89° 38° (1981) 117° (2006) 2.69" NA
August 58° 89° 35° (1978) 110° (1988) 2.28" NA
September 47° 78° 18° (1984) 107° (2001) 1.49" NA
October 35° 64° 1° (1991) 97° (1997) 1.51" NA
November 20° 44° -16° (1985) 87° (1999) 0.55" NA
December 10° 33° -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
Jan 1 29° -22° (1979) 61° (1998) 0.01" NA
Jan 2 29° -13° (1979) 64° (1998) 0.01" NA
Jan 3 29° -22° (1978) 58° (2003) 0.01" NA
Jan 4 29° -25° (1976) 56° (1987) 0.01" NA
Jan 5 29° -27° (1979) 52° (1992) 0.01" NA
Jan 6 29° -33° (1988) 53° (1990) 0.01" NA
Jan 7 29° -20° (1976) 66° (2003) 0.01" NA
Jan 8 29° -21° (1976) 65° (2002) 0.01" NA
Jan 9 29° -31° (1977) 56° (2001) 0.01" NA
Jan 10 29° -27° (1977) 65° (1990) 0.01" NA
Jan 11 29° -19° (1982) 63° (1987) 0.01" NA
Jan 12 29° -21° (1977) 64° (1983) 0.01" NA
Jan 13 29° -24° (1979) 59° (1983) 0.01" NA
Jan 14 29° -27° (1979) 65° (2006) 0.01" NA
Jan 15 29° -27° (1979) 62° (2006) 0.01" NA
Jan 16 29° -28° (1977) 56° (1996) 0.01" NA
Jan 17 29° -17° (1978) 48° (1989) 0.01" NA
Jan 18 29° -18° (1977) 52° (2006) 0.01" NA
Jan 19 29° -28° (1978) 54° (1999) 0.01" NA
Jan 20 29° -25° (1978) 56° (2005) 0.01" NA
Jan 21 29° -22° (1978) 54° (1981) 0.01" NA
Jan 22 30° -10° (1978) 60° (1981) 0.01" NA
Jan 23 30° -19° (2003) 66° (1981) 0.01" NA
Jan 24 30° -18° (1979) 67° (1981) 0.01" NA
Jan 25 30° -14° (1997) 61° (2002) 0.01" NA
Jan 26 30° -15° (1978) 63° (2006) 0.01" NA
Jan 27 31° -19° (1978) 61° (1989) 0.01" NA
Jan 28 31° -21° (1977) 57° (2006) 0.01" NA
Jan 29 31° -23° (1978) 54° (1992) 0.01" NA
Jan 30 31° -19° (1996) 66° (1989) 0.01" NA
Jan 31 32° -27° (1980) 58° (1989) 0.01" NA
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