Gann Valley, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -35° (1972) 65° (1931) 0.27" 3.6"
February 32° -44° (1994) 75° (1930) 0.41" 4.6"
March 20° 44° -27° (1960) 90° (1943) 1.17" 6.6"
April 32° 58° -1° (1975) 98° (1980) 2" 2.7"
May 45° 70° 11° (1967) 109° (1934) 3.03" 0"
June 54° 80° 29° (1964) 111° (1933) 3.2" 0"
July 59° 87° 37° (1971) 120° (1936) 2.58" 0"
August 57° 85° 32° (1950) 116° (1936) 2.21" 0"
September 46° 76° 16° (1995) 112° (1931) 1.82" 0"
October 33° 61° -7° (1925) 99° (1963) 1.67" 0.7"
November 19° 41° -22° (1959) 84° (1999) 0.7" 3.4"
December 29° -36° (1990) 73° (1998) 0.4" 4.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 40° 70° 24° (1961) 94° (1989) 0.06" NA
Oct 2 39° 69° 21° (1974) 92° (1938) 0.06" NA
Oct 3 39° 69° 23° (1999) 96° (1997) 0.06" NA
Oct 4 38° 68° 20° (1988) 95° (1922) 0.06" NA
Oct 5 38° 68° 22° (1952) 99° (1963) 0.06" NA
Oct 6 38° 68° 19° (1964) 94° (1938) 0.06" NA
Oct 7 37° 67° 15° (1952) 94° (1934) 0.06" NA
Oct 8 37° 67° 12° (2000) 90° (1936) 0.06" NA
Oct 9 36° 66° 14° (1964) 94° (1928) 0.06" NA
Oct 10 36° 65° 15° (1987) 97° (1928) 0.06" NA
Oct 11 35° 65° 22° (1987) 90° (1934) 0.06" NA
Oct 12 35° 64° 17° (1946) 90° (1934) 0.06" NA
Oct 13 35° 64° 10° (1979) 90° (1958) 0.06" NA
Oct 14 34° 63° 15° (1937) 92° (1933) 0.06" NA
Oct 15 34° 63° 19° (1970) 92° (1958) 0.06" NA
Oct 16 33° 62° 15° (1976) 88° (1945) 0.06" NA
Oct 17 33° 61° 11° (1948) 88° (1991) 0.06" NA
Oct 18 32° 61° 16° (1989) 89° (1927) 0.05" NA
Oct 19 32° 60° 11° (1960) 92° (1947) 0.05" NA
Oct 20 31° 59° 14° (1925) 84° (1940) 0.05" NA
Oct 21 31° 59° 12° (1936) 92° (1927) 0.05" NA
Oct 22 30° 58° 13° (1937) 84° (1940) 0.05" NA
Oct 23 30° 57° 13° (1964) 87° (1940) 0.05" NA
Oct 24 29° 57° 12° (2002) 89° (1940) 0.05" NA
Oct 25 29° 56° 7° (1962) 90° (1927) 0.05" NA
Oct 26 29° 55° 10° (1936) 88° (1927) 0.05" NA
Oct 27 28° 55° 13° (1951) 81° (1935) 0.04" NA
Oct 28 28° 54° -3° (1925) 83° (1935) 0.04" NA
Oct 29 27° 53° -7° (1925) 84° (1937) 0.04" NA
Oct 30 27° 52° 7° (1925) 89° (1933) 0.04" NA
Oct 31 26° 51° 7° (1991) 79° (1933) 0.04" NA
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