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
Jun 1 48° 74° 30° (1979) 88° (2002) 0.1" NA
Jun 2 48° 74° 33° (2000) 95° (1977) 0.1" NA
Jun 3 49° 75° 37° (1998) 93° (1980) 0.1" NA
Jun 4 49° 75° 31° (1985) 93° (1977) 0.1" NA
Jun 5 49° 75° 38° (2000) 91° (1977) 0.1" NA
Jun 6 50° 76° 36° (1983) 90° (1988) 0.1" NA
Jun 7 50° 76° 40° (1983) 101° (2004) 0.1" NA
Jun 8 50° 76° 35° (1979) 104° (1988) 0.1" NA
Jun 9 50° 77° 40° (1982) 100° (1988) 0.1" NA
Jun 10 51° 77° 40° (1979) 99° (1976) 0.1" NA
Jun 11 51° 77° 41° (1982) 95° (1980) 0.1" NA
Jun 12 51° 78° 32° (1984) 95° (1979) 0.1" NA
Jun 13 51° 78° 41° (2002) 106° (1979) 0.1" NA
Jun 14 52° 78° 40° (1983) 95° (1979) 0.1" NA
Jun 15 52° 79° 40° (1989) 99° (2006) 0.1" NA
Jun 16 52° 79° 37° (1981) 89° (1987) 0.1" NA
Jun 17 53° 79° 37° (2000) 98° (1989) 0.1" NA
Jun 18 53° 80° 37° (1985) 95° (1988) 0.1" NA
Jun 19 53° 80° 38° (1982) 101° (1988) 0.1" NA
Jun 20 53° 80° 38° (2004) 99° (1985) 0.1" NA
Jun 21 53° 81° 39° (1985) 105° (1988) 0.09" NA
Jun 22 54° 81° 39° (1985) 102° (1988) 0.09" NA
Jun 23 54° 81° 43° (1984) 100° (1980) 0.09" NA
Jun 24 54° 82° 40° (1993) 103° (1988) 0.09" NA
Jun 25 54° 82° 39° (2004) 106° (1988) 0.09" NA
Jun 26 55° 82° 43° (2004) 99° (2007) 0.09" NA
Jun 27 55° 83° 44° (1976) 99° (1990) 0.09" NA
Jun 28 55° 83° 33° (1985) 108° (2002) 0.09" NA
Jun 29 55° 83° 33° (1985) 102° (2002) 0.09" NA
Jun 30 56° 83° 37° (1995) 110° (2002) 0.09" NA
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