Astoria, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° -31° (1982) 66° (1981) 0.73" 9.8"
February 27° -33° (1996) 62° (2000) 0.76" 9.1"
March 19° 38° -18° (1960) 79° (1967) 1.64" 10.3"
April 33° 55° 0° (1975) 94° (1980) 2.43" 5"
May 45° 67° 19° (1967) 98° (1959) 3.02" 0.5"
June 56° 76° 34° (1990) 102° (1988) 4.46" 0"
July 61° 81° 39° (1967) 107° (1966) 3.46" 0"
August 59° 79° 36° (2004) 102° (1955) 2.95" 0"
September 49° 70° 19° (2000) 97° (1959) 3.17" 0.1"
October 35° 56° 9° (1991) 89° (1963) 2.33" 1.1"
November 21° 39° -18° (1964) 78° (1999) 1.25" 9.6"
December 24° -30° (1989) 60° (1998) 0.71" 10.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 40° 63° 23° (1961) 98° (1959) 0.09" 0.1"
May 2 40° 63° 20° (1967) 94° (1959) 0.1" 0"
May 3 41° 63° 19° (1967) 84° (1959) 0.09" 0.1"
May 4 41° 64° 21° (1967) 85° (1980) 0.09" 0"
May 5 41° 64° 25° (1967) 86° (2000) 0.09" 0.1"
May 6 42° 64° 26° (1976) 89° (2004) 0.09" 0"
May 7 42° 65° 26° (1976) 87° (1963) 0.09" 0.1"
May 8 43° 65° 27° (1980) 85° (1970) 0.09" 0"
May 9 43° 65° 24° (1966) 89° (1987) 0.1" 0"
May 10 43° 65° 24° (1981) 88° (1987) 0.09" 0.1"
May 11 44° 66° 29° (1979) 88° (1958) 0.1" 0"
May 12 44° 66° 27° (1971) 88° (1958) 0.09" 0"
May 13 45° 66° 26° (1997) 87° (1987) 0.09" 0"
May 14 45° 67° 29° (1973) 88° (1991) 0.1" 0"
May 15 45° 67° 22° (1959) 91° (2001) 0.09" 0"
May 16 46° 67° 25° (1999) 91° (2001) 0.1" 0"
May 17 46° 67° 31° (1968) 88° (1972) 0.09" 0"
May 18 46° 68° 29° (1968) 89° (1970) 0.1" 0"
May 19 47° 68° 31° (1981) 87° (1977) 0.11" 0"
May 20 47° 68° 28° (1967) 96° (2009) 0.1" 0"
May 21 47° 68° 29° (1979) 91° (1964) 0.1" 0"
May 22 48° 69° 24° (1963) 89° (1964) 0.1" 0"
May 23 48° 69° 32° (1958) 87° (1964) 0.1" 0"
May 24 48° 69° 30° (2002) 89° (2006) 0.1" 0"
May 25 49° 69° 31° (1983) 91° (1967) 0.1" 0"
May 26 49° 70° 32° (1971) 90° (1966) 0.09" 0"
May 27 49° 70° 31° (1965) 93° (1969) 0.1" 0"
May 28 50° 70° 29° (1965) 91° (1969) 0.11" 0"
May 29 50° 70° 40° (1966) 93° (2006) 0.1" 0"
May 30 50° 71° 36° (1964) 88° (1958) 0.11" 0"
May 31 51° 71° 41° (1972) 90° (2002) 0.12" 0"
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