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
Jan 1 27° -18° (1985) 53° (1998) 0.02" NA
Jan 2 27° -28° (1979) 62° (1998) 0.02" NA
Jan 3 27° -27° (1979) 61° (1998) 0.02" NA
Jan 4 27° -22° (1979) 53° (2003) 0.02" NA
Jan 5 27° -26° (1979) 52° (1987) 0.02" NA
Jan 6 26° -22° (1988) 54° (2001) 0.02" NA
Jan 7 26° -23° (1976) 51° (2003) 0.02" NA
Jan 8 26° -28° (1976) 60° (2003) 0.02" NA
Jan 9 26° -25° (1977) 64° (2002) 0.02" NA
Jan 10 26° -29° (1982) 52° (2001) 0.02" NA
Jan 11 26° -26° (1975) 59° (2007) 0.02" NA
Jan 12 26° -23° (1998) 60° (1987) 0.02" NA
Jan 13 26° -24° (1979) 62° (1987) 0.02" NA
Jan 14 26° -25° (2005) 53° (1996) 0.02" NA
Jan 15 26° -28° (2005) 60° (2006) 0.02" NA
Jan 16 26° -23° (1977) 52° (2006) 0.02" NA
Jan 17 27° -24° (2005) 53° (1996) 0.02" NA
Jan 18 27° -22° (1996) 51° (2000) 0.02" NA
Jan 19 27° -27° (1996) 54° (2006) 0.02" NA
Jan 20 27° -22° (1984) 59° (2005) 0.02" NA
Jan 21 27° -13° (1978) 60° (1992) 0.02" NA
Jan 22 27° -12° (1982) 61° (1981) 0.02" NA
Jan 23 27° -20° (1982) 67° (1981) 0.01" NA
Jan 24 28° -8° (1982) 62° (2005) 0.01" NA
Jan 25 28° -15° (1996) 69° (2005) 0.01" NA
Jan 26 28° -21° (1976) 64° (2007) 0.01" NA
Jan 27 28° -18° (1997) 60° (2006) 0.01" NA
Jan 28 28° -25° (1977) 51° (2006) 0.02" NA
Jan 29 29° -24° (1977) 60° (1988) 0.02" NA
Jan 30 29° -32° (1985) 55° (1992) 0.02" NA
Jan 31 29° -24° (1996) 64° (1989) 0.02" NA
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