Ashton, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° -45° (1912) 63° (1981) 0.51" 7"
February 29° -45° (1994) 71° (1958) 0.59" 7.6"
March 19° 41° -29° (1897) 87° (1946) 1.2" 7"
April 31° 58° -7° (1975) 99° (1980) 2.13" 3.7"
May 44° 69° 15° (1981) 108° (1934) 3.16" 0.2"
June 55° 79° 29° (1897) 110° (1988) 3.34" 0"
July 60° 85° 34° (1917) 113° (2006) 3.06" 0"
August 56° 83° 32° (1907) 114° (1965) 2.81" 0"
September 45° 73° 16° (1939) 106° (1931) 2.48" 0"
October 32° 59° -8° (1919) 96° (1905) 1.94" 0.7"
November 20° 41° -26° (1905) 79° (1999) 0.78" 6.1"
December 27° -38° (1983) 68° (1939) 0.51" 7.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 38° 65° 19° (1961) 102° (1959) 0.11" 0"
May 2 38° 65° 18° (1907) 96° (1959) 0.1" 0"
May 3 39° 66° 16° (2005) 91° (1952) 0.11" 0.1"
May 4 39° 66° 20° (2005) 95° (1926) 0.1" 0"
May 5 40° 66° 20° (1976) 92° (1926) 0.11" 0"
May 6 40° 67° 19° (1931) 93° (2000) 0.1" 0"
May 7 41° 67° 22° (1931) 92° (1916) 0.1" 0"
May 8 41° 67° 22° (1943) 104° (1934) 0.11" 0"
May 9 42° 68° 20° (1966) 99° (1934) 0.1" 0"
May 10 42° 68° 15° (1981) 93° (1992) 0.11" 0.1"
May 11 42° 68° 25° (1925) 94° (1906) 0.11" 0"
May 12 43° 68° 23° (1943) 88° (1900) 0.11" 0"
May 13 43° 69° 20° (1943) 92° (1932) 0.1" 0"
May 14 44° 69° 25° (1921) 93° (1932) 0.1" 0"
May 15 44° 69° 23° (1959) 98° (1931) 0.1" 0"
May 16 45° 69° 25° (1929) 99° (1934) 0.11" 0"
May 17 45° 70° 24° (1925) 105° (1934) 0.11" 0"
May 18 45° 70° 26° (1915) 101° (1934) 0.1" 0"
May 19 46° 70° 27° (2002) 96° (1934) 0.11" 0"
May 20 46° 71° 18° (1907) 97° (1934) 0.1" 0"
May 21 47° 71° 28° (1963) 93° (1925) 0.1" 0"
May 22 47° 71° 22° (1963) 90° (1955) 0.1" 0"
May 23 47° 71° 25° (1897) 93° (1950) 0.1" 0"
May 24 48° 72° 24° (1924) 98° (1926) 0.09" 0"
May 25 48° 72° 26° (1924) 93° (1926) 0.09" 0"
May 26 48° 72° 28° (1992) 92° (1911) 0.1" 0"
May 27 49° 72° 28° (1907) 98° (1934) 0.09" 0"
May 28 49° 73° 29° (1965) 103° (1934) 0.09" 0"
May 29 49° 73° 23° (1947) 99° (1934) 0.1" 0"
May 30 50° 73° 26° (1947) 108° (1934) 0.1" 0"
May 31 50° 74° 32° (1964) 102° (1934) 0.1" 0"
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