Gann Valley, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -35° (1972) 65° (1931) 0.31" 4.5"
February 10° 33° -44° (1994) 75° (1930) 0.59" 7.2"
March 20° 44° -27° (1960) 90° (1943) 1.27" 8.3"
April 32° 59° -1° (1975) 98° (1980) 1.97" 4.7"
May 44° 70° 11° (1967) 109° (1934) 3.29" 0.5"
June 55° 79° 29° (1964) 111° (1933) 4.03" 0"
July 61° 87° 37° (1971) 120° (1936) 2.53" 0"
August 58° 85° 32° (1950) 116° (1936) 2.68" 0"
September 47° 76° 16° (1995) 112° (1931) 2.15" 0"
October 34° 61° -7° (1925) 99° (1963) 1.78" 0.4"
November 20° 44° -22° (1959) 84° (1999) 0.68" 4.2"
December 30° -36° (1990) 73° (1998) 0.46" 5.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 12° 35° -19° (1960) 62° (1969) 0.02" 0.2"
Dec 2 12° 34° -16° (1985) 73° (1998) 0.02" 0.2"
Dec 3 12° 34° -13° (1985) 68° (1998) 0.01" 0.2"
Dec 4 11° 33° -11° (2005) 59° (1939) 0.02" 0.1"
Dec 5 11° 33° -12° (1950) 65° (1923) 0.02" 0.2"
Dec 6 10° 33° -22° (1950) 67° (1923) 0.01" 0.2"
Dec 7 10° 32° -13° (1972) 66° (1939) 0.02" 0.2"
Dec 8 10° 32° -23° (1927) 65° (1939) 0.02" 0.2"
Dec 9 31° -23° (1958) 64° (1957) 0.01" 0.2"
Dec 10 31° -20° (1966) 62° (2006) 0.02" 0.2"
Dec 11 31° -14° (1962) 62° (1990) 0.01" 0.2"
Dec 12 31° -25° (1932) 54° (1934) 0.02" 0.2"
Dec 13 30° -24° (1961) 62° (1921) 0.01" 0.2"
Dec 14 30° -18° (1985) 54° (1939) 0.02" 0.1"
Dec 15 30° -24° (1951) 67° (1998) 0.01" 0.2"
Dec 16 30° -21° (1951) 60° (1962) 0.02" 0.2"
Dec 17 29° -27° (1922) 60° (1939) 0.01" 0.1"
Dec 18 29° -26° (1951) 59° (1923) 0.01" 0.2"
Dec 19 29° -20° (1955) 56° (1979) 0.01" 0.2"
Dec 20 29° -21° (1996) 59° (1979) 0.02" 0.1"
Dec 21 29° -31° (1989) 61° (1957) 0.01" 0.2"
Dec 22 28° -33° (1989) 62° (1982) 0.02" 0.1"
Dec 23 28° -36° (1990) 60° (1936) 0.01" 0.2"
Dec 24 28° -31° (1990) 54° (1928) 0.01" 0.2"
Dec 25 28° -22° (2000) 65° (1928) 0.02" 0.1"
Dec 26 28° -29° (1996) 54° (1999) 0.01" 0.2"
Dec 27 28° -27° (1996) 65° (1928) 0.02" 0.1"
Dec 28 28° -22° (1924) 49° (1928) 0.01" 0.2"
Dec 29 28° -21° (1990) 56° (2002) 0.02" 0.1"
Dec 30 28° -36° (1990) 58° (1999) 0.01" 0.2"
Dec 31 28° -36° (1990) 58° (2004) 0.01" 0.1"
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