Olsonville, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 34° -28° (1988) 75° (1974) 0.4" 5.8"
February 15° 38° -30° (1994) 74° (1995) 0.54" 5.9"
March 23° 47° -27° (1998) 85° (1978) 1.25" 7.8"
April 33° 58° 6° (1997) 95° (1980) 2.19" 4.5"
May 45° 69° 18° (1976) 98° (1969) 3.33" 0.1"
June 55° 79° 27° (1969) 107° (1988) 3.53" 0"
July 61° 87° 35° (1971) 111° (2006) 2.87" 0"
August 59° 86° 36° (1976) 108° (1980) 1.72" 0"
September 48° 76° 18° (1974) 104° (1983) 1.79" 0.1"
October 35° 62° 1° (1991) 95° (1967) 1.69" 0.9"
November 23° 46° -16° (1976) 85° (1999) 0.73" 6.3"
December 13° 36° -32° (1983) 71° (1998) 0.46" 6.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 54° 82° 34° (1981) 102° (1975) 0.05" 0"
Sep 2 54° 82° 36° (1974) 103° (1983) 0.04" 0"
Sep 3 53° 82° 31° (1974) 104° (1983) 0.05" 0"
Sep 4 53° 81° 36° (1968) 100° (1990) 0.05" 0"
Sep 5 53° 81° 39° (1968) 101° (1998) 0.05" 0"
Sep 6 52° 80° 39° (1993) 101° (1998) 0.05" 0"
Sep 7 52° 80° 34° (1986) 101° (1976) 0.06" 0"
Sep 8 51° 80° 36° (1992) 97° (1978) 0.06" 0"
Sep 9 51° 79° 35° (1976) 96° (1970) 0.06" 0"
Sep 10 50° 79° 34° (1970) 101° (1983) 0.06" 0"
Sep 11 50° 78° 31° (1989) 101° (1982) 0.06" 0"
Sep 12 49° 78° 31° (1989) 93° (1980) 0.06" 0"
Sep 13 49° 77° 29° (1974) 99° (1981) 0.06" 0"
Sep 14 48° 77° 28° (1993) 93° (1971) 0.06" 0"
Sep 15 48° 76° 31° (1993) 92° (1968) 0.06" 0"
Sep 16 47° 76° 29° (1981) 93° (1995) 0.06" 0"
Sep 17 47° 75° 28° (1971) 93° (2003) 0.06" 0"
Sep 18 46° 75° 26° (1991) 96° (2000) 0.06" 0"
Sep 19 46° 74° 22° (1991) 94° (1972) 0.06" 0"
Sep 20 46° 74° 26° (1991) 95° (1970) 0.06" 0"
Sep 21 45° 73° 27° (1974) 96° (2010) 0.07" 0"
Sep 22 45° 73° 24° (1995) 88° (2005) 0.07" 0"
Sep 23 44° 72° 25° (1995) 92° (1967) 0.06" 0.1"
Sep 24 44° 72° 26° (1985) 92° (2007) 0.07" 0"
Sep 25 43° 71° 28° (1975) 90° (1990) 0.06" 0"
Sep 26 43° 71° 24° (1972) 94° (1967) 0.07" 0"
Sep 27 42° 70° 23° (1967) 94° (1974) 0.06" 0"
Sep 28 42° 70° 24° (1967) 92° (1983) 0.07" 0"
Sep 29 41° 69° 24° (1984) 92° (1969) 0.06" 0"
Sep 30 41° 69° 18° (1974) 92° (1991) 0.07" 0"
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