Lacy, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 31° -27° (1970) 68° (1964) 0.32" NA
February 13° 35° -34° (1994) 71° (1992) 0.44" NA
March 23° 46° -18° (1962) 87° (1988) 0.71" NA
April 34° 59° 5° (2002) 98° (1980) 1.39" NA
May 46° 70° 23° (1967) 105° (1969) 2.81" NA
June 57° 81° 34° (1998) 114° (1988) 2.82" NA
July 63° 90° 45° (1971) 112° (2006) 2.46" NA
August 60° 88° 37° (2002) 112° (1988) 1.31" NA
September 50° 77° 22° (1995) 108° (1976) 1.36" NA
October 38° 63° 6° (1991) 99° (1963) 1.33" NA
November 25° 46° -12° (1960) 86° (1990) 0.36" NA
December 13° 33° -31° (1983) 69° (1998) 0.25" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 61° 87° 47° (1995) 101° (1980) 0.08" NA
Jul 2 61° 87° 46° (1968) 105° (1974) 0.08" NA
Jul 3 62° 87° 46° (1968) 105° (1975) 0.08" NA
Jul 4 62° 88° 47° (1972) 106° (1961) 0.08" NA
Jul 5 62° 88° 47° (1972) 111° (1989) 0.09" NA
Jul 6 62° 88° 48° (1972) 109° (1974) 0.07" NA
Jul 7 62° 88° 48° (1997) 111° (1973) 0.08" NA
Jul 8 62° 89° 49° (2009) 108° (1989) 0.08" NA
Jul 9 62° 89° 51° (1981) 109° (2007) 0.07" NA
Jul 10 62° 89° 51° (2009) 107° (1976) 0.09" NA
Jul 11 63° 89° 55° (1975) 112° (1966) 0.08" NA
Jul 12 63° 89° 49° (1987) 109° (1973) 0.09" NA
Jul 13 63° 90° 50° (1975) 103° (1976) 0.09" NA
Jul 14 63° 90° 49° (1967) 109° (1974) 0.08" NA
Jul 15 63° 90° 46° (2009) 107° (1988) 0.08" NA
Jul 16 63° 90° 46° (2009) 106° (1975) 0.08" NA
Jul 17 63° 90° 50° (1976) 108° (1975) 0.07" NA
Jul 18 63° 90° 54° (1972) 110° (1991) 0.07" NA
Jul 19 63° 90° 53° (2000) 107° (1977) 0.08" NA
Jul 20 63° 90° 51° (1992) 106° (1983) 0.08" NA
Jul 21 63° 91° 47° (2009) 108° (1974) 0.08" NA
Jul 22 63° 91° 45° (2009) 106° (1960) 0.08" NA
Jul 23 63° 91° 46° (2009) 108° (1965) 0.08" NA
Jul 24 63° 91° 50° (2009) 107° (1964) 0.09" NA
Jul 25 63° 91° 53° (1996) 106° (2003) 0.08" NA
Jul 26 63° 91° 50° (1962) 108° (2007) 0.08" NA
Jul 27 63° 91° 45° (2009) 108° (1988) 0.08" NA
Jul 28 63° 91° 52° (2005) 104° (1987) 0.07" NA
Jul 29 63° 91° 50° (2009) 110° (1975) 0.08" NA
Jul 30 63° 91° 45° (1971) 109° (1987) 0.07" NA
Jul 31 63° 91° 45° (1971) 112° (2006) 0.07" NA
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