Lacy, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -27° (1970) 68° (1964) 0.27" NA
February 13° 34° -34° (1994) 71° (1992) 0.34" NA
March 22° 44° -18° (1962) 87° (1988) 0.77" NA
April 34° 58° 5° (2002) 98° (1980) 1.47" NA
May 45° 70° 23° (1967) 105° (1969) 2.71" NA
June 55° 80° 34° (1998) 114° (1988) 2.72" NA
July 61° 88° 45° (1971) 112° (2006) 2.28" NA
August 59° 87° 37° (2002) 112° (1988) 1.43" NA
September 49° 76° 22° (1995) 108° (1976) 1.16" NA
October 37° 62° 6° (1991) 99° (1963) 1.1" NA
November 24° 44° -12° (1960) 86° (1990) 0.41" NA
December 13° 32° -31° (1983) 69° (1998) 0.28" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 62° 90° 48° (1995) 107° (1988) 0.06" NA
Aug 2 62° 90° 49° (1971) 107° (1964) 0.06" NA
Aug 3 62° 89° 45° (1978) 102° (1961) 0.06" NA
Aug 4 62° 89° 45° (1978) 107° (1980) 0.06" NA
Aug 5 61° 89° 47° (1974) 105° (1987) 0.05" NA
Aug 6 61° 89° 49° (1993) 104° (2001) 0.05" NA
Aug 7 61° 89° 52° (1972) 102° (1980) 0.05" NA
Aug 8 61° 89° 49° (1975) 105° (1985) 0.05" NA
Aug 9 61° 89° 49° (1966) 105° (2001) 0.05" NA
Aug 10 61° 89° 47° (2004) 104° (1983) 0.05" NA
Aug 11 61° 89° 46° (1977) 108° (1988) 0.05" NA
Aug 12 60° 89° 41° (1964) 106° (1969) 0.05" NA
Aug 13 60° 88° 43° (1999) 107° (1978) 0.05" NA
Aug 14 60° 88° 49° (1979) 110° (1965) 0.05" NA
Aug 15 60° 88° 49° (1979) 112° (1988) 0.05" NA
Aug 16 60° 88° 46° (2004) 103° (1960) 0.04" NA
Aug 17 59° 88° 47° (1985) 105° (1969) 0.04" NA
Aug 18 59° 87° 48° (1966) 108° (1976) 0.04" NA
Aug 19 59° 87° 37° (2002) 106° (1973) 0.04" NA
Aug 20 58° 87° 45° (2002) 104° (1974) 0.04" NA
Aug 21 58° 86° 49° (1986) 108° (1976) 0.04" NA
Aug 22 58° 86° 48° (1974) 102° (1960) 0.04" NA
Aug 23 58° 86° 45° (1966) 107° (1960) 0.04" NA
Aug 24 57° 86° 47° (1966) 106° (1971) 0.04" NA
Aug 25 57° 85° 44° (1964) 109° (2003) 0.04" NA
Aug 26 57° 85° 47° (1960) 109° (1991) 0.04" NA
Aug 27 56° 84° 42° (1986) 109° (1991) 0.04" NA
Aug 28 56° 84° 42° (1962) 106° (1962) 0.04" NA
Aug 29 55° 84° 50° (1976) 105° (1983) 0.04" NA
Aug 30 55° 83° 42° (1965) 105° (1983) 0.04" NA
Aug 31 55° 83° 44° (1965) 105° (2000) 0.04" NA
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