Custer, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 37° -43° (1963) 68° (1981) 0.33" 6.4"
February 17° 38° -34° (1962) 68° (1958) 0.7" 10.3"
March 22° 45° -30° (1956) 72° (1946) 1.03" 12"
April 29° 53° -15° (1966) 84° (1989) 2.04" 10.6"
May 39° 62° 5° (1954) 90° (1969) 3.58" 1.2"
June 47° 72° 19° (1951) 97° (1954) 2.83" 0"
July 54° 80° 30° (1971) 100° (1954) 2.75" 0"
August 53° 79° 22° (1966) 96° (1988) 2.33" 0"
September 43° 70° 8° (1961) 97° (1971) 1.67" 0.2"
October 32° 57° -5° (1991) 85° (1963) 1.47" 3.6"
November 23° 44° -25° (1952) 76° (1975) 0.58" 6.1"
December 15° 36° -37° (1964) 68° (1979) 0.37" 5.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 37° 63° 12° (1958) 85° (1963) 0.06" 0.1"
Oct 2 37° 63° 19° (1964) 82° (1963) 0.06" 0"
Oct 3 36° 62° 19° (1968) 80° (1981) 0.06" 0.1"
Oct 4 36° 62° 16° (1964) 81° (1992) 0.06" 0.1"
Oct 5 36° 61° 14° (1964) 83° (1963) 0.06" 0.1"
Oct 6 35° 61° 4° (1952) 82° (1963) 0.05" 0.1"
Oct 7 35° 60° 9° (2000) 83° (1975) 0.05" 0"
Oct 8 35° 60° 8° (1946) 82° (1956) 0.05" 0.1"
Oct 9 34° 59° 12° (1993) 80° (1953) 0.05" 0.1"
Oct 10 34° 59° 0° (2009) 82° (1947) 0.05" 0.1"
Oct 11 34° 59° 9° (2009) 80° (1953) 0.04" 0.1"
Oct 12 33° 58° 15° (2006) 78° (1975) 0.05" 0.1"
Oct 13 33° 58° 6° (1969) 78° (1950) 0.05" 0.1"
Oct 14 33° 57° 6° (1969) 79° (1958) 0.05" 0.1"
Oct 15 32° 57° 11° (1960) 78° (1964) 0.05" 0.1"
Oct 16 32° 57° 12° (1969) 84° (1961) 0.05" 0.1"
Oct 17 32° 56° 12° (1948) 80° (1961) 0.05" 0.1"
Oct 18 32° 56° 13° (1968) 77° (1955) 0.05" 0.1"
Oct 19 31° 55° 5° (1976) 79° (2003) 0.05" 0.2"
Oct 20 31° 55° 10° (1976) 78° (2003) 0.05" 0.1"
Oct 21 31° 55° 9° (1976) 76° (1950) 0.04" 0.1"
Oct 22 31° 54° 14° (1984) 77° (2003) 0.05" 0.2"
Oct 23 30° 54° 8° (1981) 80° (2003) 0.04" 0.1"
Oct 24 30° 53° 11° (1945) 81° (2003) 0.04" 0.1"
Oct 25 30° 53° 9° (1942) 79° (1992) 0.04" 0.2"
Oct 26 29° 53° 9° (1997) 72° (1952) 0.04" 0.1"
Oct 27 29° 52° 5° (1954) 72° (1943) 0.04" 0.2"
Oct 28 29° 52° 8° (1963) 74° (1983) 0.04" 0.2"
Oct 29 29° 51° 4° (1991) 72° (1990) 0.03" 0.1"
Oct 30 28° 51° -5° (1991) 71° (1964) 0.04" 0.2"
Oct 31 28° 51° -1° (1991) 73° (1950) 0.03" 0.2"
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