Arpan, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -36° (1949) 69° (2005) 0.38" NA
February 14° 36° -35° (1994) 75° (1982) 0.44" NA
March 22° 45° -26° (1960) 83° (2007) 0.94" NA
April 32° 58° 2° (1997) 92° (1980) 1.69" NA
May 43° 68° 12° (1950) 97° (1969) 2.7" NA
June 53° 79° 32° (1969) 109° (2002) 2.8" NA
July 59° 87° 36° (1959) 110° (1973) 1.91" NA
August 57° 86° 36° (1964) 108° (1975) 1.3" NA
September 46° 76° 19° (1984) 106° (1978) 0.99" NA
October 33° 62° -10° (1991) 95° (1953) 1.4" NA
November 20° 44° -24° (1959) 81° (1999) 0.58" NA
December 10° 34° -38° (1989) 69° (1998) 0.35" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 40° 69° 19° (1985) 94° (1989) 0.04" NA
Oct 2 39° 69° 21° (1985) 95° (1953) 0.04" NA
Oct 3 39° 69° 25° (1968) 92° (1997) 0.04" NA
Oct 4 38° 68° 23° (1950) 88° (1963) 0.04" NA
Oct 5 38° 68° 19° (1952) 93° (1963) 0.04" NA
Oct 6 38° 67° 15° (1952) 91° (1949) 0.05" NA
Oct 7 37° 67° 15° (2000) 88° (1993) 0.05" NA
Oct 8 37° 66° 15° (1970) 89° (1975) 0.05" NA
Oct 9 36° 66° 20° (1959) 87° (1980) 0.05" NA
Oct 10 36° 66° 16° (1985) 88° (2004) 0.05" NA
Oct 11 36° 65° 13° (1977) 85° (1955) 0.05" NA
Oct 12 35° 65° 22° (1986) 86° (1984) 0.05" NA
Oct 13 35° 64° 16° (1986) 89° (1956) 0.05" NA
Oct 14 34° 64° 15° (1969) 88° (1958) 0.05" NA
Oct 15 34° 63° 16° (1969) 84° (1964) 0.05" NA
Oct 16 33° 62° 18° (1992) 86° (1965) 0.05" NA
Oct 17 33° 62° 15° (1948) 90° (1991) 0.05" NA
Oct 18 33° 61° 15° (1968) 85° (2003) 0.05" NA
Oct 19 32° 61° 9° (1960) 83° (2003) 0.05" NA
Oct 20 32° 60° 15° (1976) 86° (2003) 0.05" NA
Oct 21 31° 60° 17° (1987) 80° (1950) 0.05" NA
Oct 22 31° 59° 18° (1984) 85° (2000) 0.05" NA
Oct 23 30° 58° 11° (1981) 83° (1954) 0.04" NA
Oct 24 30° 58° 13° (1981) 80° (1963) 0.04" NA
Oct 25 30° 57° 16° (1962) 81° (1989) 0.04" NA
Oct 26 29° 56° 5° (1997) 81° (1977) 0.04" NA
Oct 27 29° 56° 10° (1969) 82° (1990) 0.04" NA
Oct 28 28° 55° 11° (1963) 82° (1983) 0.04" NA
Oct 29 28° 54° 8° (1991) 81° (1985) 0.04" NA
Oct 30 27° 54° -9° (1991) 82° (1950) 0.04" NA
Oct 31 27° 53° -10° (1991) 82° (1950) 0.03" NA
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