Deerfield, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 40° -26° (1996) 66° (2003) 0.32" 5.1"
February 14° 41° -38° (1996) 67° (1995) 0.58" 7"
March 22° 47° -25° (1998) 76° (1989) 1.08" 11.3"
April 29° 56° -9° (1997) 83° (1989) 2.29" 12.3"
May 39° 65° 12° (2005) 88° (2003) 3.84" 2.7"
June 48° 75° 26° (1998) 96° (2002) 3.14" 0.3"
July 53° 82° 30° (1976) 101° (2006) 3.07" 0"
August 51° 82° 28° (2004) 97° (2007) 2.29" 0"
September 41° 72° 12° (1972) 95° (1972) 1.71" 0.7"
October 31° 60° -9° (1991) 85° (1992) 1.57" 4.9"
November 21° 47° -13° (1993) 76° (1999) 0.65" 7.5"
December 12° 39° -39° (1990) 69° (1997) 0.41" 6.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 54° 84° 38° (1993) 92° (2008) 0.09" 0"
Aug 2 54° 83° 28° (1978) 91° (2008) 0.09" 0"
Aug 3 54° 83° 32° (1978) 91° (2001) 0.09" 0"
Aug 4 54° 83° 37° (1972) 91° (2001) 0.09" 0"
Aug 5 54° 83° 38° (1992) 87° (1978) 0.08" 0"
Aug 6 53° 83° 41° (1993) 92° (2001) 0.09" 0"
Aug 7 53° 83° 37° (1996) 93° (1995) 0.09" 0"
Aug 8 53° 83° 36° (1996) 91° (2005) 0.08" 0"
Aug 9 53° 83° 39° (2002) 90° (2007) 0.08" 0"
Aug 10 53° 83° 42° (1996) 92° (2007) 0.08" 0"
Aug 11 53° 83° 28° (2004) 94° (2000) 0.08" 0"
Aug 12 52° 83° 34° (1992) 93° (1972) 0.08" 0"
Aug 13 52° 83° 32° (2002) 97° (2007) 0.07" 0"
Aug 14 52° 83° 34° (2004) 91° (2003) 0.08" 0"
Aug 15 52° 82° 41° (2004) 90° (2003) 0.07" 0"
Aug 16 51° 82° 38° (2004) 90° (2002) 0.07" 0"
Aug 17 51° 82° 29° (2002) 90° (2006) 0.07" 0"
Aug 18 51° 82° 28° (1978) 90° (2010) 0.07" 0"
Aug 19 51° 82° 32° (2002) 87° (2000) 0.07" 0"
Aug 20 50° 82° 36° (1994) 90° (1976) 0.06" 0"
Aug 21 50° 81° 36° (1994) 91° (2010) 0.07" 0"
Aug 22 50° 81° 35° (1972) 94° (2010) 0.06" 0"
Aug 23 49° 81° 31° (1972) 92° (2006) 0.07" 0"
Aug 24 49° 81° 33° (1972) 92° (2000) 0.06" 0"
Aug 25 49° 80° 34° (1972) 92° (1991) 0.06" 0"
Aug 26 48° 80° 33° (1976) 91° (1994) 0.07" 0"
Aug 27 48° 80° 30° (1976) 93° (2010) 0.06" 0"
Aug 28 48° 80° 31° (2004) 87° (1991) 0.07" 0"
Aug 29 47° 79° 37° (2006) 89° (1995) 0.06" 0"
Aug 30 47° 79° 29° (1992) 92° (1990) 0.06" 0"
Aug 31 47° 79° 29° (1993) 88° (2008) 0.07" 0"
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