Summit, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° -36° (1996) 64° (1981) 0.56" 9.3"
February 27° -40° (1994) 62° (2000) 0.68" 10.8"
March 19° 38° -26° (1962) 78° (1963) 1.18" 10.4"
April 31° 56° -5° (1975) 94° (1980) 2.33" 6.2"
May 43° 68° 15° (2005) 95° (1959) 2.82" 0.5"
June 53° 76° 30° (1989) 103° (1988) 3.98" 0"
July 58° 82° 38° (1971) 103° (1966) 3.76" 0"
August 56° 80° 32° (1987) 102° (1965) 3.09" 0"
September 47° 72° 15° (1974) 96° (1984) 3.02" 0"
October 34° 57° 5° (1991) 88° (1993) 2.3" 1.3"
November 20° 39° -25° (1985) 75° (1978) 0.97" 4.6"
December 24° -34° (1983) 57° (1998) 0.53" 9.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 56° 80° 39° (1995) 95° (1974) 0.11" 0"
Jul 2 57° 81° 44° (1985) 91° (1974) 0.12" 0"
Jul 3 57° 81° 38° (1967) 97° (1985) 0.12" 0"
Jul 4 57° 81° 39° (1967) 101° (1988) 0.12" 0"
Jul 5 57° 81° 43° (1983) 99° (1988) 0.13" 0"
Jul 6 57° 81° 40° (1984) 98° (1988) 0.12" 0"
Jul 7 57° 81° 39° (2004) 101° (1985) 0.12" 0"
Jul 8 57° 81° 45° (1991) 99° (1985) 0.13" 0"
Jul 9 58° 81° 42° (1996) 100° (1976) 0.12" 0"
Jul 10 58° 82° 43° (1996) 103° (1966) 0.12" 0"
Jul 11 58° 82° 41° (1975) 96° (1973) 0.13" 0"
Jul 12 58° 82° 43° (2007) 95° (1973) 0.12" 0"
Jul 13 58° 82° 43° (1987) 95° (1974) 0.13" 0"
Jul 14 58° 82° 43° (1987) 94° (1988) 0.12" 0"
Jul 15 58° 82° 41° (1985) 98° (2006) 0.13" 0"
Jul 16 58° 82° 39° (1976) 99° (2006) 0.12" 0"
Jul 17 58° 82° 44° (1984) 95° (1964) 0.13" 0"
Jul 18 58° 82° 44° (2009) 96° (1964) 0.12" 0"
Jul 19 58° 82° 41° (2000) 100° (1976) 0.13" 0"
Jul 20 58° 82° 43° (1992) 96° (1976) 0.12" 0"
Jul 21 58° 82° 42° (1971) 96° (1960) 0.13" 0"
Jul 22 58° 82° 45° (1985) 96° (1964) 0.12" 0"
Jul 23 58° 82° 44° (1992) 98° (1964) 0.11" 0"
Jul 24 58° 82° 44° (1992) 96° (1976) 0.12" 0"
Jul 25 58° 82° 46° (1991) 100° (1976) 0.12" 0"
Jul 26 58° 82° 39° (1971) 96° (1976) 0.11" 0"
Jul 27 58° 82° 44° (2005) 97° (1987) 0.12" 0"
Jul 28 58° 82° 45° (1971) 102° (2006) 0.11" 0"
Jul 29 58° 82° 44° (1974) 98° (1975) 0.12" 0"
Jul 30 58° 82° 38° (1971) 100° (2006) 0.12" 0"
Jul 31 58° 82° 46° (1986) 101° (1987) 0.12" 0"
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