Summit, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -1° 20° -36° (1996) 64° (1981) 0.59" 6.8"
February 27° -40° (1994) 62° (2000) 0.52" 6.7"
March 17° 38° -26° (1962) 78° (1963) 1.44" 9.6"
April 30° 56° -5° (1975) 94° (1980) 2.03" 4.1"
May 42° 69° 15° (2005) 95° (1959) 2.83" 0.1"
June 52° 77° 30° (1989) 103° (1988) 3.65" 0.1"
July 56° 82° 38° (1971) 103° (1966) 3.64" 0"
August 55° 80° 32° (1987) 102° (1965) 3.23" 0"
September 45° 71° 15° (1974) 96° (1984) 2.06" 0"
October 33° 58° 5° (1991) 88° (1993) 1.86" 1.2"
November 18° 37° -25° (1985) 75° (1978) 0.93" 3.8"
December 24° -34° (1983) 57° (1998) 0.35" 5.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 57° 82° 44° (1995) 99° (1988) 0.11" NA
Aug 2 57° 82° 43° (1971) 97° (1958) 0.11" NA
Aug 3 57° 82° 40° (1978) 95° (1959) 0.11" NA
Aug 4 57° 82° 42° (1978) 98° (1959) 0.11" NA
Aug 5 57° 82° 41° (1994) 94° (1968) 0.11" NA
Aug 6 57° 82° 44° (1993) 96° (1983) 0.11" NA
Aug 7 57° 82° 44° (1989) 97° (1983) 0.11" NA
Aug 8 57° 82° 46° (1986) 96° (1958) 0.11" NA
Aug 9 57° 82° 43° (1966) 95° (1971) 0.11" NA
Aug 10 56° 82° 36° (1985) 92° (1971) 0.11" NA
Aug 11 56° 82° 38° (1977) 96° (1988) 0.11" NA
Aug 12 56° 81° 43° (1964) 93° (1965) 0.11" NA
Aug 13 56° 81° 36° (1964) 102° (1965) 0.11" NA
Aug 14 56° 81° 40° (1979) 96° (1965) 0.11" NA
Aug 15 56° 81° 40° (1960) 94° (1983) 0.11" NA
Aug 16 55° 81° 47° (1970) 98° (1988) 0.11" NA
Aug 17 55° 81° 40° (1977) 97° (1976) 0.11" NA
Aug 18 55° 80° 38° (1985) 100° (1976) 0.11" NA
Aug 19 55° 80° 36° (2004) 99° (1976) 0.1" NA
Aug 20 54° 80° 38° (1985) 95° (1976) 0.1" NA
Aug 21 54° 80° 36° (2004) 95° (1976) 0.1" NA
Aug 22 54° 79° 39° (1974) 98° (1971) 0.1" NA
Aug 23 54° 79° 36° (1987) 95° (1976) 0.1" NA
Aug 24 53° 79° 42° (1958) 95° (2003) 0.1" NA
Aug 25 53° 79° 40° (1964) 93° (1974) 0.1" NA
Aug 26 53° 78° 37° (1992) 94° (1970) 0.1" NA
Aug 27 52° 78° 33° (1982) 97° (1973) 0.09" NA
Aug 28 52° 78° 34° (1965) 95° (1973) 0.09" NA
Aug 29 52° 77° 37° (1974) 95° (1961) 0.09" NA
Aug 30 51° 77° 41° (2003) 91° (1961) 0.09" NA
Aug 31 51° 77° 32° (1987) 90° (1961) 0.09" NA
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