Swan Lake, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -44° (1912) 70° (2002) 0.43" 5.1"
February 12° 32° -35° (1936) 72° (1982) 0.52" 6.5"
March 24° 44° -21° (1913) 92° (1943) 1.64" 6.6"
April 35° 59° 1° (1936) 97° (1926) 2.47" 0.9"
May 48° 71° 19° (1909) 109° (1934) 3.65" 0"
June 58° 81° 33° (1935) 108° (1931) 3.95" 0"
July 62° 85° 38° (1971) 113° (1936) 3.35" 0"
August 60° 83° 32° (1986) 111° (1936) 2.83" 0"
September 49° 75° 19° (1984) 106° (1971) 2.26" 0"
October 37° 63° -6° (1925) 95° (1963) 1.8" 0.8"
November 24° 43° -20° (1977) 82° (1999) 1.36" 3.4"
December 11° 29° -39° (1917) 67° (1998) 0.55" 7.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 30° 52° -2° (1911) 78° (1990) 0.05" NA
Nov 2 30° 52° 5° (1991) 76° (1965) 0.05" NA
Nov 3 29° 51° 6° (1991) 73° (1909) 0.05" NA
Nov 4 29° 50° -8° (1991) 76° (1909) 0.05" NA
Nov 5 29° 49° -5° (1991) 75° (1945) 0.05" NA
Nov 6 28° 49° -2° (1959) 77° (1909) 0.05" NA
Nov 7 28° 48° -16° (1991) 77° (1931) 0.05" NA
Nov 8 27° 47° -15° (1991) 79° (1931) 0.05" NA
Nov 9 27° 47° 2° (1991) 82° (1999) 0.05" NA
Nov 10 26° 46° 0° (1966) 76° (1909) 0.05" NA
Nov 11 26° 45° -9° (1986) 68° (1967) 0.05" NA
Nov 12 26° 45° -5° (1986) 70° (1971) 0.05" NA
Nov 13 25° 44° -9° (1940) 74° (1930) 0.05" NA
Nov 14 25° 43° -19° (1959) 79° (1928) 0.05" NA
Nov 15 24° 43° -1° (1916) 78° (1953) 0.05" NA
Nov 16 24° 42° -3° (1959) 73° (1939) 0.05" NA
Nov 17 23° 42° -8° (1959) 74° (2001) 0.05" NA
Nov 18 23° 41° -1° (1927) 74° (1908) 0.05" NA
Nov 19 22° 41° -4° (1914) 66° (1936) 0.04" NA
Nov 20 22° 40° -6° (1937) 77° (1962) 0.04" NA
Nov 21 21° 39° -12° (1937) 73° (1960) 0.04" NA
Nov 22 21° 39° -2° (2000) 64° (2001) 0.04" NA
Nov 23 21° 38° -2° (1950) 68° (1974) 0.04" NA
Nov 24 20° 38° -12° (1985) 66° (1942) 0.04" NA
Nov 25 20° 37° -14° (1975) 72° (1960) 0.04" NA
Nov 26 19° 37° -16° (1993) 71° (1960) 0.04" NA
Nov 27 19° 36° -20° (1977) 64° (1933) 0.04" NA
Nov 28 18° 36° -9° (1976) 70° (1941) 0.04" NA
Nov 29 18° 35° -9° (1942) 58° (1998) 0.03" NA
Nov 30 17° 35° -15° (1964) 62° (1932) 0.03" NA
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