Hecla, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -39° (2009) 60° (1981) 0.47" 6.7"
February 27° -45° (1994) 68° (1958) 0.44" 6.3"
March 19° 39° -28° (1995) 83° (1963) 1.15" 7.1"
April 32° 57° -9° (1975) 95° (1962) 1.82" 2.9"
May 45° 69° 10° (1956) 101° (1959) 3.23" 0"
June 55° 78° 33° (1969) 105° (2002) 3.38" 0"
July 60° 84° 38° (1971) 108° (1966) 3.57" 0"
August 57° 82° 34° (1968) 108° (1965) 2.65" 0"
September 46° 72° 15° (1965) 99° (1984) 2.42" 0"
October 33° 58° 5° (1984) 92° (1976) 1.98" 0.7"
November 19° 39° -26° (1985) 79° (2006) 0.7" 7.4"
December 25° -38° (1967) 65° (1962) 0.44" 6.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 51° 73° 35° (1956) 85° (2002) 0.1" 0"
Jun 2 51° 73° 35° (1985) 87° (1968) 0.11" 0"
Jun 3 52° 74° 34° (1950) 95° (1968) 0.12" 0"
Jun 4 52° 74° 34° (1954) 95° (1968) 0.11" 0"
Jun 5 52° 74° 38° (1958) 93° (1952) 0.12" 0"
Jun 6 53° 75° 35° (1998) 96° (1987) 0.11" 0"
Jun 7 53° 75° 40° (1992) 95° (1952) 0.11" 0"
Jun 8 53° 75° 39° (1980) 92° (1961) 0.1" 0"
Jun 9 54° 76° 33° (1966) 95° (1956) 0.11" 0"
Jun 10 54° 76° 36° (1964) 101° (1956) 0.11" 0"
Jun 11 54° 76° 38° (1969) 98° (1956) 0.11" 0"
Jun 12 54° 77° 39° (1969) 101° (1956) 0.11" 0"
Jun 13 55° 77° 40° (1966) 101° (1956) 0.12" 0"
Jun 14 55° 77° 37° (1969) 96° (1979) 0.11" 0"
Jun 15 55° 77° 38° (1958) 96° (1959) 0.11" 0"
Jun 16 56° 78° 39° (1974) 95° (1959) 0.11" 0"
Jun 17 56° 78° 42° (1974) 94° (1959) 0.11" 0"
Jun 18 56° 78° 39° (1976) 91° (1988) 0.12" 0"
Jun 19 56° 79° 39° (1952) 99° (1988) 0.12" 0"
Jun 20 57° 79° 33° (1969) 97° (1988) 0.11" 0"
Jun 21 57° 79° 38° (1969) 105° (1988) 0.12" 0"
Jun 22 57° 80° 44° (1985) 97° (1950) 0.11" 0"
Jun 23 57° 80° 42° (1961) 93° (1950) 0.11" 0"
Jun 24 58° 80° 41° (2004) 94° (2001) 0.12" 0"
Jun 25 58° 80° 39° (1958) 96° (1988) 0.12" 0"
Jun 26 58° 81° 43° (2004) 94° (1961) 0.11" 0"
Jun 27 58° 81° 44° (1993) 96° (1961) 0.12" 0"
Jun 28 58° 81° 40° (1951) 97° (1970) 0.11" 0"
Jun 29 59° 81° 42° (1951) 102° (2002) 0.12" 0"
Jun 30 59° 82° 43° (1950) 105° (2002) 0.11" 0"
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