Ethan, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -50° (1955) 67° (1981) 0.47" 5.4"
February 11° 33° -40° (1994) 73° (2000) 0.67" 6.2"
March 22° 44° -23° (1956) 95° (1943) 1.66" 5.3"
April 35° 59° 1° (1924) 97° (1980) 2.71" 2.1"
May 47° 71° 18° (1967) 108° (1934) 3.33" 0"
June 57° 81° 31° (1946) 111° (1936) 3.52" 0"
July 62° 86° 34° (1900) 116° (1940) 2.64" 0"
August 59° 85° 34° (1911) 115° (1934) 2.32" 0"
September 48° 76° 11° (1899) 106° (1933) 2.27" 0"
October 36° 62° -8° (1925) 96° (1938) 1.54" 0.3"
November 22° 43° -22° (1959) 81° (1999) 1.2" 4.2"
December 10° 30° -34° (1917) 70° (1998) 0.53" 5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 15° 35° -14° (1897) 62° (1962) 0.03" NA
Dec 2 15° 35° -17° (1985) 70° (1998) 0.03" NA
Dec 3 14° 34° -10° (1985) 69° (1998) 0.03" NA
Dec 4 14° 34° -15° (1897) 62° (1941) 0.03" NA
Dec 5 13° 33° -7° (1950) 65° (1939) 0.02" NA
Dec 6 13° 33° -16° (1950) 67° (1939) 0.02" NA
Dec 7 12° 33° -12° (1908) 58° (1965) 0.02" NA
Dec 8 12° 32° -23° (1927) 62° (1939) 0.02" NA
Dec 9 12° 32° -23° (1955) 64° (1957) 0.02" NA
Dec 10 11° 32° -21° (1917) 61° (1990) 0.02" NA
Dec 11 11° 31° -18° (1917) 65° (1968) 0.02" NA
Dec 12 11° 31° -25° (1932) 59° (1921) 0.02" NA
Dec 13 10° 31° -27° (1917) 63° (1921) 0.02" NA
Dec 14 10° 30° -25° (1917) 55° (1939) 0.02" NA
Dec 15 10° 30° -22° (1917) 65° (1998) 0.02" NA
Dec 16 30° -24° (1901) 65° (1939) 0.02" NA
Dec 17 30° -24° (1922) 58° (1962) 0.02" NA
Dec 18 29° -24° (1922) 65° (1923) 0.02" NA
Dec 19 29° -24° (1901) 62° (1979) 0.01" NA
Dec 20 29° -25° (1916) 58° (1900) 0.01" NA
Dec 21 28° -27° (1963) 59° (1900) 0.01" NA
Dec 22 28° -29° (1983) 64° (1972) 0.01" NA
Dec 23 28° -30° (1990) 57° (1936) 0.01" NA
Dec 24 28° -29° (1990) 51° (1936) 0.01" NA
Dec 25 28° -23° (1983) 58° (1938) 0.01" NA
Dec 26 27° -25° (1902) 55° (1956) 0.01" NA
Dec 27 27° -25° (1996) 63° (1928) 0.01" NA
Dec 28 27° -21° (1924) 58° (1898) 0.01" NA
Dec 29 27° -34° (1917) 58° (2002) 0.01" NA
Dec 30 26° -33° (1917) 62° (1904) 0.01" NA
Dec 31 26° -24° (1990) 57° (1904) 0.01" NA
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