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
Apr 1 22° 49° 7° (1992) 75° (2004) 0.05" NA
Apr 2 22° 49° 6° (2002) 68° (1991) 0.06" NA
Apr 3 22° 50° 1° (2002) 69° (1990) 0.06" NA
Apr 4 22° 50° 6° (1999) 72° (1992) 0.06" NA
Apr 5 23° 50° 3° (1994) 74° (2006) 0.06" NA
Apr 6 23° 51° 4° (2007) 74° (1991) 0.06" NA
Apr 7 23° 51° -2° (1997) 69° (2005) 0.06" NA
Apr 8 23° 51° -9° (1997) 76° (2005) 0.07" NA
Apr 9 24° 51° 5° (1989) 72° (2003) 0.07" NA
Apr 10 24° 52° 3° (1989) 77° (1996) 0.07" NA
Apr 11 24° 52° 6° (1997) 74° (1996) 0.07" NA
Apr 12 24° 52° -1° (1997) 76° (2003) 0.07" NA
Apr 13 25° 53° -7° (1997) 73° (2003) 0.07" NA
Apr 14 25° 53° 8° (1991) 74° (2002) 0.08" NA
Apr 15 25° 53° 16° (2000) 71° (1989) 0.08" NA
Apr 16 26° 53° 14° (1997) 72° (1994) 0.08" NA
Apr 17 26° 54° 9° (1999) 77° (2005) 0.08" NA
Apr 18 26° 54° 20° (1989) 75° (2001) 0.08" NA
Apr 19 26° 54° 13° (1978) 72° (1989) 0.08" NA
Apr 20 27° 55° 4° (2000) 76° (1989) 0.09" NA
Apr 21 27° 55° 12° (1993) 83° (1989) 0.09" NA
Apr 22 27° 55° 17° (1996) 83° (1989) 0.09" NA
Apr 23 28° 56° 16° (2001) 76° (1989) 0.09" NA
Apr 24 28° 56° 19° (1995) 73° (1998) 0.09" NA
Apr 25 28° 56° 15° (2002) 70° (2001) 0.09" NA
Apr 26 29° 57° 17° (2002) 71° (2001) 0.1" NA
Apr 27 29° 57° 4° (1994) 77° (2001) 0.1" NA
Apr 28 30° 57° 15° (1994) 78° (2001) 0.1" NA
Apr 29 30° 58° 14° (1996) 75° (1992) 0.1" NA
Apr 30 30° 58° 15° (2005) 82° (1992) 0.1" NA
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