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
Sep 1 57° 84° 40° (1965) 101° (1960) 0.04" NA
Sep 2 56° 83° 44° (1974) 106° (1983) 0.05" NA
Sep 3 56° 83° 40° (1974) 105° (1971) 0.04" NA
Sep 4 56° 83° 39° (1961) 99° (1960) 0.05" NA
Sep 5 55° 82° 41° (1962) 104° (1978) 0.04" NA
Sep 6 55° 82° 37° (1986) 105° (1978) 0.06" NA
Sep 7 54° 81° 41° (1986) 108° (1976) 0.05" NA
Sep 8 54° 81° 38° (1992) 103° (1983) 0.05" NA
Sep 9 53° 80° 40° (1992) 100° (1991) 0.05" NA
Sep 10 53° 80° 35° (1989) 101° (1988) 0.05" NA
Sep 11 53° 79° 37° (1989) 102° (1982) 0.04" NA
Sep 12 52° 79° 36° (1989) 103° (1994) 0.05" NA
Sep 13 52° 78° 38° (1974) 99° (1981) 0.04" NA
Sep 14 51° 78° 37° (1970) 97° (2004) 0.04" NA
Sep 15 51° 77° 36° (1961) 95° (1968) 0.05" NA
Sep 16 50° 77° 38° (1965) 95° (1995) 0.04" NA
Sep 17 50° 77° 36° (1973) 99° (1989) 0.04" NA
Sep 18 49° 76° 35° (1973) 101° (2000) 0.05" NA
Sep 19 49° 76° 26° (1991) 96° (1961) 0.05" NA
Sep 20 48° 75° 27° (1991) 98° (1972) 0.04" NA
Sep 21 48° 75° 35° (1971) 96° (1960) 0.05" NA
Sep 22 47° 74° 22° (1995) 95° (1984) 0.04" NA
Sep 23 47° 74° 24° (1995) 95° (1967) 0.04" NA
Sep 24 46° 73° 27° (1965) 92° (1992) 0.04" NA
Sep 25 46° 73° 28° (2000) 92° (1992) 0.04" NA
Sep 26 45° 72° 25° (1965) 99° (1987) 0.05" NA
Sep 27 45° 72° 29° (1964) 98° (1979) 0.04" NA
Sep 28 45° 71° 29° (1992) 97° (1983) 0.05" NA
Sep 29 44° 71° 27° (1984) 91° (1995) 0.05" NA
Sep 30 44° 70° 27° (1985) 96° (1989) 0.04" NA
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