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
Dec 1 14° 41° -9° (1991) 61° (1994) 0.01" 0.2"
Dec 2 14° 41° -10° (2007) 69° (1988) 0.02" 0.2"
Dec 3 14° 40° -8° (1972) 61° (1989) 0.01" 0.2"
Dec 4 13° 40° -29° (1972) 60° (1988) 0.02" 0.2"
Dec 5 13° 40° -32° (1972) 57° (1988) 0.01" 0.2"
Dec 6 13° 40° -22° (1972) 58° (2003) 0.02" 0.2"
Dec 7 13° 39° -30° (1972) 54° (2008) 0.01" 0.2"
Dec 8 12° 39° -20° (1972) 62° (2006) 0.01" 0.2"
Dec 9 12° 39° -24° (1972) 65° (1990) 0.02" 0.2"
Dec 10 12° 39° -22° (1972) 66° (1990) 0.01" 0.2"
Dec 11 12° 39° -16° (1972) 67° (1993) 0.02" 0.2"
Dec 12 12° 39° -21° (2000) 58° (1993) 0.01" 0.2"
Dec 13 12° 39° -16° (2000) 60° (1998) 0.01" 0.2"
Dec 14 11° 39° -18° (1992) 69° (1997) 0.01" 0.2"
Dec 15 11° 38° -28° (1989) 56° (2002) 0.02" 0.2"
Dec 16 11° 38° -16° (2008) 51° (1997) 0.01" 0.2"
Dec 17 11° 38° -13° (1989) 59° (1998) 0.01" 0.2"
Dec 18 11° 38° -18° (2005) 62° (1988) 0.02" 0.2"
Dec 19 11° 38° -20° (1996) 53° (2003) 0.01" 0.2"
Dec 20 11° 38° -24° (1990) 63° (2003) 0.01" 0.2"
Dec 21 11° 38° -29° (1989) 63° (1994) 0.01" 0.2"
Dec 22 11° 38° -39° (1990) 55° (1994) 0.02" 0.2"
Dec 23 11° 39° -29° (1990) 62° (1994) 0.01" 0.2"
Dec 24 11° 39° -17° (1998) 60° (1999) 0.01" 0.2"
Dec 25 12° 39° -20° (1990) 57° (1999) 0.01" 0.2"
Dec 26 12° 39° -23° (1996) 55° (1972) 0.02" 0.2"
Dec 27 12° 39° -8° (1988) 53° (1972) 0.01" 0.3"
Dec 28 12° 39° -14° (1988) 58° (1999) 0.01" 0.2"
Dec 29 12° 39° -29° (1990) 54° (1999) 0.02" 0.2"
Dec 30 12° 39° -33° (1990) 52° (1996) 0.01" 0.2"
Dec 31 12° 39° -23° (1978) 53° (1996) 0.01" 0.2"
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