Deerfield, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 36° -26° (1996) 66° (2003) 0.32" NA
February 11° 40° -38° (1996) 67° (1995) 0.53" NA
March 18° 45° -25° (1998) 76° (1989) 1.05" NA
April 26° 53° -9° (1997) 83° (1989) 2.35" NA
May 36° 63° 12° (2005) 88° (2003) 3.61" NA
June 44° 74° 26° (1998) 96° (2002) 3.62" NA
July 49° 80° 30° (1976) 101° (2006) 3.39" NA
August 47° 79° 28° (2004) 97° (2007) 2.11" NA
September 36° 70° 12° (1972) 95° (1972) 1.47" NA
October 27° 58° -9° (1991) 85° (1992) 1.51" NA
November 16° 44° -13° (1993) 76° (1999) 0.69" NA
December 37° -39° (1990) 69° (1997) 0.41" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 47° 78° 34° (1995) 96° (1990) 0.12" NA
Jul 2 47° 78° 40° (1972) 96° (1990) 0.12" NA
Jul 3 47° 78° 30° (1972) 95° (1990) 0.12" NA
Jul 4 48° 78° 31° (1972) 97° (1989) 0.12" NA
Jul 5 48° 78° 32° (1972) 95° (1989) 0.12" NA
Jul 6 48° 79° 40° (1972) 93° (2007) 0.12" NA
Jul 7 48° 79° 37° (1993) 98° (1989) 0.12" NA
Jul 8 48° 79° 35° (1994) 99° (1989) 0.12" NA
Jul 9 48° 79° 35° (1993) 98° (1989) 0.12" NA
Jul 10 49° 79° 38° (1999) 91° (1994) 0.12" NA
Jul 11 49° 80° 41° (1990) 92° (1995) 0.12" NA
Jul 12 49° 80° 37° (1996) 90° (1995) 0.11" NA
Jul 13 49° 80° 38° (1990) 96° (2003) 0.11" NA
Jul 14 49° 80° 38° (1997) 95° (2000) 0.11" NA
Jul 15 49° 80° 35° (1972) 100° (2006) 0.11" NA
Jul 16 49° 80° 37° (1992) 97° (2005) 0.11" NA
Jul 17 49° 80° 37° (1992) 94° (2006) 0.11" NA
Jul 18 49° 80° 36° (1972) 96° (2006) 0.11" NA
Jul 19 49° 80° 31° (1976) 93° (2005) 0.11" NA
Jul 20 49° 81° 38° (1994) 91° (1998) 0.11" NA
Jul 21 49° 81° 39° (1994) 95° (2007) 0.11" NA
Jul 22 49° 81° 41° (1994) 95° (2007) 0.1" NA
Jul 23 49° 81° 36° (1990) 95° (2005) 0.1" NA
Jul 24 49° 81° 39° (1996) 97° (2003) 0.1" NA
Jul 25 50° 81° 37° (1996) 95° (2003) 0.1" NA
Jul 26 50° 81° 36° (1994) 87° (1989) 0.1" NA
Jul 27 50° 81° 30° (1976) 91° (1999) 0.1" NA
Jul 28 49° 81° 39° (1993) 98° (2006) 0.1" NA
Jul 29 49° 81° 38° (2004) 98° (2006) 0.09" NA
Jul 30 49° 81° 38° (1992) 101° (2006) 0.09" NA
Jul 31 49° 81° 42° (1992) 94° (2002) 0.09" NA
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