Argonne, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -35° (1966) 61° (1981) 0.73" NA
February 10° 31° -36° (1994) 70° (1958) 0.64" NA
March 21° 43° -18° (1998) 82° (1967) 1.71" NA
April 32° 58° 3° (1975) 96° (1980) 2.65" NA
May 45° 69° 17° (1967) 102° (1967) 3.19" NA
June 55° 79° 32° (1956) 108° (1988) 4.51" NA
July 60° 84° 38° (1971) 109° (1966) 3.24" NA
August 57° 82° 37° (1964) 105° (1965) 3.09" NA
September 47° 73° 19° (1974) 104° (1970) 2.8" NA
October 35° 59° 4° (1960) 91° (1963) 2.11" NA
November 21° 42° -17° (1964) 78° (1999) 1.27" NA
December 28° -31° (1989) 65° (1998) 0.63" 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) 0.1" NA
May 2 39° 65° 20° (1967) 92° (1955) 0.1" NA
May 3 40° 66° 17° (1967) 95° (1949) 0.1" NA
May 4 40° 66° 18° (1967) 92° (1949) 0.1" NA
May 5 40° 66° 24° (1968) 86° (1952) 0.1" NA
May 6 41° 67° 22° (1976) 93° (2004) 0.1" NA
May 7 41° 67° 26° (1954) 92° (1963) 0.09" NA
May 8 42° 67° 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° 68° 30° (1952) 88° (1958) 0.1" NA
May 12 43° 68° 27° (1968) 86° (1988) 0.09" NA
May 13 44° 69° 29° (1966) 90° (1965) 0.09" NA
May 14 44° 69° 26° (1973) 88° (1998) 0.08" NA
May 15 45° 69° 26° (1959) 89° (1991) 0.1" NA
May 16 45° 70° 30° (2005) 93° (1987) 0.09" NA
May 17 45° 70° 28° (1968) 89° (1987) 0.1" NA
May 18 46° 70° 31° (1968) 91° (1970) 0.11" NA
May 19 46° 70° 28° (2002) 91° (1970) 0.1" NA
May 20 47° 71° 28° (1967) 92° (1955) 0.1" NA
May 21 47° 71° 28° (1963) 93° (1964) 0.1" NA
May 22 47° 71° 25° (1963) 93° (1967) 0.11" NA
May 23 48° 71° 35° (1957) 94° (1950) 0.1" NA
May 24 48° 72° 30° (1949) 91° (1967) 0.11" NA
May 25 48° 72° 32° (1983) 102° (1967) 0.1" NA
May 26 49° 72° 33° (1971) 97° (1967) 0.11" NA
May 27 49° 73° 34° (1957) 93° (1969) 0.12" NA
May 28 49° 73° 28° (1965) 93° (1979) 0.12" NA
May 29 50° 73° 37° (1954) 94° (2006) 0.13" NA
May 30 50° 73° 38° (1983) 93° (2002) 0.13" NA
May 31 50° 74° 33° (1964) 93° (2002) 0.14" NA
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