Argonne, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° -35° (1966) 61° (1981) 0.54" NA
February 30° -36° (1994) 70° (1958) 0.63" NA
March 21° 42° -18° (1998) 82° (1967) 1.57" NA
April 32° 57° 3° (1975) 96° (1980) 2.45" NA
May 45° 70° 17° (1967) 102° (1967) 3.03" NA
June 55° 80° 32° (1956) 108° (1988) 3.64" NA
July 60° 85° 38° (1971) 109° (1966) 3.13" NA
August 57° 83° 37° (1964) 105° (1965) 2.9" NA
September 46° 74° 19° (1974) 104° (1970) 2.25" NA
October 35° 60° 4° (1960) 91° (1963) 1.9" NA
November 21° 40° -17° (1964) 78° (1999) 1.2" NA
December 27° -31° (1989) 65° (1998) 0.49" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 39° 65° 23° (1950) 97° (1959) 0.09" NA
May 2 39° 65° 20° (1967) 92° (1955) 0.09" NA
May 3 40° 65° 17° (1967) 95° (1949) 0.09" NA
May 4 40° 66° 18° (1967) 92° (1949) 0.09" NA
May 5 41° 66° 24° (1968) 86° (1952) 0.09" NA
May 6 41° 67° 22° (1976) 93° (2004) 0.09" NA
May 7 41° 67° 26° (1954) 92° (1963) 0.09" NA
May 8 42° 68° 21° (1954) 87° (1990) 0.09" NA
May 9 42° 68° 24° (1961) 92° (2004) 0.09" NA
May 10 43° 68° 22° (1981) 91° (1987) 0.09" NA
May 11 43° 69° 30° (1952) 88° (1958) 0.09" NA
May 12 44° 69° 27° (1968) 86° (1988) 0.09" NA
May 13 44° 69° 29° (1966) 90° (1965) 0.09" NA
May 14 44° 70° 26° (1973) 88° (1998) 0.09" NA
May 15 45° 70° 26° (1959) 89° (1991) 0.1" NA
May 16 45° 71° 30° (2005) 93° (1987) 0.1" NA
May 17 45° 71° 28° (1968) 89° (1987) 0.1" NA
May 18 46° 71° 31° (1968) 91° (1970) 0.1" NA
May 19 46° 72° 28° (2002) 91° (1970) 0.1" NA
May 20 47° 72° 28° (1967) 92° (1955) 0.1" NA
May 21 47° 72° 28° (1963) 93° (1964) 0.1" NA
May 22 47° 73° 25° (1963) 93° (1967) 0.1" NA
May 23 48° 73° 35° (1957) 94° (1950) 0.1" NA
May 24 48° 73° 30° (1949) 91° (1967) 0.1" NA
May 25 48° 74° 32° (1983) 102° (1967) 0.11" NA
May 26 49° 74° 33° (1971) 97° (1967) 0.11" NA
May 27 49° 74° 34° (1957) 93° (1969) 0.11" NA
May 28 49° 75° 28° (1965) 93° (1979) 0.11" NA
May 29 50° 75° 37° (1954) 94° (2006) 0.11" NA
May 30 50° 75° 38° (1983) 93° (2002) 0.11" NA
May 31 50° 75° 33° (1964) 93° (2002) 0.11" NA
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