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
Jul 1 55° 80° 39° (1995) 95° (1974) 0.12" NA
Jul 2 55° 80° 44° (1985) 91° (1974) 0.12" NA
Jul 3 55° 81° 38° (1967) 97° (1985) 0.12" NA
Jul 4 55° 81° 39° (1967) 101° (1988) 0.12" NA
Jul 5 55° 81° 43° (1983) 99° (1988) 0.12" NA
Jul 6 56° 81° 40° (1984) 98° (1988) 0.12" NA
Jul 7 56° 81° 39° (2004) 101° (1985) 0.12" NA
Jul 8 56° 81° 45° (1991) 99° (1985) 0.12" NA
Jul 9 56° 81° 42° (1996) 100° (1976) 0.12" NA
Jul 10 56° 82° 43° (1996) 103° (1966) 0.12" NA
Jul 11 56° 82° 41° (1975) 96° (1973) 0.12" NA
Jul 12 56° 82° 43° (2007) 95° (1973) 0.12" NA
Jul 13 56° 82° 43° (1987) 95° (1974) 0.12" NA
Jul 14 56° 82° 43° (1987) 94° (1988) 0.12" NA
Jul 15 57° 82° 41° (1985) 98° (2006) 0.12" NA
Jul 16 57° 82° 39° (1976) 99° (2006) 0.12" NA
Jul 17 57° 82° 44° (1984) 95° (1964) 0.12" NA
Jul 18 57° 82° 46° (1984) 96° (1964) 0.12" NA
Jul 19 57° 82° 41° (2000) 100° (1976) 0.12" NA
Jul 20 57° 82° 43° (1992) 96° (1976) 0.12" NA
Jul 21 57° 82° 42° (1971) 96° (1960) 0.12" NA
Jul 22 57° 82° 45° (1985) 96° (1964) 0.12" NA
Jul 23 57° 82° 44° (1992) 98° (1964) 0.12" NA
Jul 24 57° 82° 44° (1992) 96° (1976) 0.11" NA
Jul 25 57° 82° 46° (1991) 100° (1976) 0.11" NA
Jul 26 57° 82° 39° (1971) 96° (1976) 0.11" NA
Jul 27 57° 83° 44° (2005) 97° (1987) 0.11" NA
Jul 28 57° 83° 45° (1971) 102° (2006) 0.11" NA
Jul 29 57° 82° 44° (1974) 98° (1975) 0.11" NA
Jul 30 57° 82° 38° (1971) 100° (2006) 0.11" NA
Jul 31 57° 82° 46° (1986) 101° (1987) 0.11" NA
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