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
Feb 1 30° -19° (1979) 68° (1992) 0.02" NA
Feb 2 30° -30° (1996) 72° (1992) 0.02" NA
Feb 3 30° -33° (1989) 59° (1991) 0.02" NA
Feb 4 30° -31° (1989) 65° (2005) 0.02" NA
Feb 5 31° -29° (1989) 72° (2005) 0.02" NA
Feb 6 31° -19° (1988) 59° (1984) 0.02" NA
Feb 7 31° -16° (1985) 60° (1987) 0.02" NA
Feb 8 10° 32° -15° (1994) 65° (1987) 0.02" NA
Feb 9 10° 32° -36° (1994) 63° (2000) 0.02" NA
Feb 10 10° 32° -26° (1994) 58° (1999) 0.02" NA
Feb 11 11° 33° -23° (1988) 54° (1991) 0.02" NA
Feb 12 11° 33° -17° (1988) 62° (1983) 0.02" NA
Feb 13 11° 33° -19° (2007) 61° (1983) 0.02" NA
Feb 14 11° 33° -19° (2007) 63° (1999) 0.02" NA
Feb 15 12° 34° -30° (2007) 54° (1983) 0.02" NA
Feb 16 12° 34° -26° (1979) 63° (1981) 0.02" NA
Feb 17 12° 34° -24° (1993) 58° (1991) 0.02" NA
Feb 18 12° 35° -20° (1993) 67° (1983) 0.02" NA
Feb 19 13° 35° -14° (1993) 65° (1995) 0.02" NA
Feb 20 13° 35° -12° (1986) 65° (1995) 0.03" NA
Feb 21 13° 35° -4° (1986) 62° (1984) 0.03" NA
Feb 22 14° 36° -15° (1993) 70° (1995) 0.03" NA
Feb 23 14° 36° -13° (1993) 68° (2000) 0.03" NA
Feb 24 14° 36° -19° (2003) 62° (2000) 0.03" NA
Feb 25 14° 36° -17° (2003) 68° (1995) 0.03" NA
Feb 26 15° 37° -14° (1993) 68° (1995) 0.03" NA
Feb 27 15° 37° -10° (1993) 69° (1988) 0.03" NA
Feb 28 15° 37° -10° (2001) 68° (1992) 0.03" NA
Feb 29 15° 37° -12° (1996) 61° (1992) 0.03" NA
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