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
Jan 1 21° -30° (1974) 39° (1964) 0.02" 0.3"
Jan 2 21° -31° (2010) 42° (1990) 0.02" 0.4"
Jan 3 21° -23° (1968) 42° (1987) 0.02" 0.3"
Jan 4 21° -31° (1968) 43° (1987) 0.02" 0.4"
Jan 5 21° -27° (1960) 41° (2008) 0.01" 0.3"
Jan 6 21° -26° (1988) 39° (1961) 0.02" 0.3"
Jan 7 21° -28° (1986) 46° (1963) 0.02" 0.4"
Jan 8 21° -25° (1976) 49° (1963) 0.02" 0.3"
Jan 9 21° -31° (1977) 49° (1958) 0.02" 0.3"
Jan 10 21° -28° (1978) 49° (1990) 0.02" 0.3"
Jan 11 21° -21° (1985) 49° (1958) 0.02" 0.3"
Jan 12 21° -24° (1974) 53° (1987) 0.02" 0.3"
Jan 13 21° -25° (1998) 52° (1987) 0.01" 0.3"
Jan 14 21° -34° (1972) 46° (1990) 0.02" 0.3"
Jan 15 21° -35° (1972) 41° (2004) 0.02" 0.2"
Jan 16 21° -35° (1977) 41° (1974) 0.01" 0.3"
Jan 17 21° -27° (1997) 44° (1973) 0.02" 0.3"
Jan 18 21° -35° (1994) 44° (1981) 0.02" 0.3"
Jan 19 21° -36° (1996) 39° (1981) 0.02" 0.2"
Jan 20 21° -34° (1984) 41° (1964) 0.01" 0.3"
Jan 21 21° -27° (1970) 46° (1981) 0.02" 0.3"
Jan 22 21° -27° (1963) 52° (1981) 0.02" 0.3"
Jan 23 21° -27° (1987) 56° (1981) 0.02" 0.3"
Jan 24 22° -31° (1961) 64° (1981) 0.01" 0.2"
Jan 25 22° -27° (1972) 48° (1981) 0.02" 0.4"
Jan 26 22° -24° (1972) 43° (1990) 0.02" 0.3"
Jan 27 22° -27° (1986) 45° (1989) 0.02" 0.2"
Jan 28 22° -28° (1977) 43° (2008) 0.01" 0.3"
Jan 29 22° -30° (1966) 45° (1992) 0.02" 0.3"
Jan 30 23° -32° (1996) 45° (1992) 0.02" 0.3"
Jan 31 23° -27° (1959) 42° (1989) 0.02" 0.3"
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