Letcher, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -45° (1912) 66° (1908) 0.5" 5.7"
February 12° 34° -46° (1899) 73° (2000) 0.78" 4.6"
March 23° 46° -23° (1897) 93° (1943) 1.39" 6.2"
April 35° 62° 0° (1924) 99° (1980) 2.89" 3.6"
May 46° 72° 16° (1967) 110° (1934) 3.4" 0.3"
June 56° 81° 27° (1946) 112° (1988) 3.61" 0"
July 61° 87° 37° (1917) 114° (1936) 2.8" 0"
August 59° 85° 33° (1923) 116° (1934) 2.52" 0"
September 49° 77° 16° (1926) 109° (1931) 2.28" 0"
October 37° 62° -13° (1925) 100° (1910) 1.89" 0.5"
November 23° 44° -22° (1959) 83° (1999) 1.14" 5.6"
December 10° 30° -39° (1917) 73° (1939) 0.47" 5.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 30° 53° 0° (1935) 79° (1990) 0.05" 0.1"
Nov 2 30° 53° 0° (1911) 77° (1965) 0.04" 0.1"
Nov 3 29° 52° -16° (1907) 80° (1909) 0.04" 0.1"
Nov 4 29° 52° -5° (1991) 78° (1917) 0.05" 0.1"
Nov 5 28° 51° 3° (1951) 81° (2001) 0.04" 0.1"
Nov 6 28° 50° -6° (1959) 77° (2009) 0.05" 0.1"
Nov 7 27° 50° -12° (1991) 76° (2006) 0.04" 0.1"
Nov 8 27° 49° 0° (1936) 83° (1999) 0.04" 0.1"
Nov 9 26° 48° 1° (1945) 72° (1937) 0.04" 0.2"
Nov 10 26° 48° 1° (1898) 79° (1912) 0.04" 0.1"
Nov 11 25° 47° -12° (1986) 74° (2005) 0.04" 0.1"
Nov 12 25° 46° -9° (1896) 70° (1954) 0.05" 0.2"
Nov 13 24° 46° -12° (1919) 74° (1999) 0.04" 0.2"
Nov 14 24° 45° -22° (1959) 75° (1953) 0.04" 0.2"
Nov 15 23° 45° -7° (1916) 78° (1953) 0.04" 0.2"
Nov 16 23° 44° -9° (1959) 75° (2001) 0.03" 0.2"
Nov 17 22° 43° -9° (1959) 72° (1953) 0.04" 0.2"
Nov 18 22° 43° -6° (1927) 73° (1904) 0.04" 0.3"
Nov 19 21° 42° -4° (1896) 71° (1897) 0.04" 0.2"
Nov 20 21° 41° -12° (1921) 75° (1962) 0.04" 0.3"
Nov 21 20° 41° -13° (1937) 71° (1960) 0.04" 0.3"
Nov 22 19° 40° -15° (1898) 70° (1974) 0.03" 0.2"
Nov 23 19° 40° -20° (1898) 60° (1902) 0.04" 0.3"
Nov 24 18° 39° -18° (1985) 70° (1923) 0.03" 0.2"
Nov 25 18° 38° -12° (1977) 70° (1960) 0.03" 0.2"
Nov 26 17° 38° -17° (1898) 68° (1914) 0.03" 0.3"
Nov 27 17° 37° -11° (1985) 62° (1998) 0.03" 0.2"
Nov 28 16° 37° -10° (1897) 69° (1941) 0.03" 0.2"
Nov 29 16° 36° -22° (1897) 64° (1932) 0.02" 0.2"
Nov 30 15° 36° -18° (1896) 64° (1932) 0.03" 0.3"
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