Opal, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -32° (1985) 69° (2005) 0.57" NA
February 12° 34° -36° (1994) 72° (2005) 0.65" NA
March 20° 43° -26° (1998) 83° (2007) 1.47" NA
April 31° 57° -2° (1997) 93° (1989) 2.03" NA
May 43° 68° 18° (2005) 101° (2006) 2.75" NA
June 52° 79° 30° (1979) 110° (2002) 2.9" NA
July 58° 87° 39° (1983) 114° (1977) 2.24" NA
August 55° 86° 35° (1992) 110° (1988) 1.36" NA
September 44° 75° 20° (1995) 107° (2001) 0.96" NA
October 31° 61° -10° (1991) 95° (1997) 1.35" NA
November 19° 42° -24° (1985) 82° (1999) 0.75" NA
December 31° -36° (1990) 69° (1998) 0.78" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 15° 38° -22° (1980) 72° (1992) 0.03" NA
Mar 2 16° 38° -12° (2002) 72° (1992) 0.04" NA
Mar 3 16° 38° -16° (1978) 67° (1992) 0.04" NA
Mar 4 16° 38° -17° (1989) 63° (2005) 0.04" NA
Mar 5 17° 39° -20° (1989) 63° (2000) 0.04" NA
Mar 6 17° 39° -18° (1995) 73° (2000) 0.04" NA
Mar 7 17° 39° -13° (1996) 67° (1987) 0.04" NA
Mar 8 17° 40° -23° (1996) 66° (2006) 0.04" NA
Mar 9 18° 40° -19° (1996) 68° (2007) 0.04" NA
Mar 10 18° 40° -13° (2002) 69° (1988) 0.04" NA
Mar 11 18° 41° -26° (1998) 75° (1989) 0.04" NA
Mar 12 19° 41° -20° (1998) 70° (1990) 0.04" NA
Mar 13 19° 41° -7° (1988) 83° (2007) 0.05" NA
Mar 14 19° 42° -8° (1988) 72° (2007) 0.05" NA
Mar 15 20° 42° -9° (1988) 62° (1999) 0.05" NA
Mar 16 20° 43° -8° (1988) 70° (1981) 0.05" NA
Mar 17 20° 43° -4° (1988) 75° (1999) 0.05" NA
Mar 18 21° 43° -7° (1989) 65° (1976) 0.05" NA
Mar 19 21° 44° -1° (1989) 77° (2007) 0.05" NA
Mar 20 21° 44° 0° (1989) 74° (1994) 0.05" NA
Mar 21 21° 45° -7° (2002) 80° (2007) 0.05" NA
Mar 22 22° 45° -6° (2002) 65° (1994) 0.05" NA
Mar 23 22° 46° -1° (2006) 66° (2007) 0.05" NA
Mar 24 22° 46° 6° (1996) 74° (1986) 0.05" NA
Mar 25 23° 47° -7° (1975) 76° (1977) 0.05" NA
Mar 26 23° 47° -8° (1996) 83° (2007) 0.05" NA
Mar 27 24° 48° 4° (1996) 78° (1986) 0.06" NA
Mar 28 24° 48° 1° (1975) 80° (1986) 0.06" NA
Mar 29 24° 49° 2° (1975) 75° (1986) 0.06" NA
Mar 30 25° 49° 2° (1975) 77° (1986) 0.06" NA
Mar 31 25° 50° 8° (1975) 79° (1978) 0.06" NA
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