Hermosa, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 37° -27° (1950) 76° (1987) 0.3" 4.4"
February 15° 40° -31° (1996) 75° (1995) 0.46" 5.8"
March 23° 48° -21° (1996) 83° (2007) 0.93" 8.7"
April 32° 58° 1° (1975) 93° (1989) 1.8" 7.9"
May 42° 68° 18° (1950) 98° (1969) 3.22" 1.1"
June 51° 78° 31° (1951) 109° (2002) 2.53" 0"
July 58° 87° 39° (1987) 111° (2006) 1.85" 0"
August 57° 86° 38° (1992) 107° (2007) 1.56" 0"
September 46° 76° 18° (1985) 104° (1978) 1.29" 0.2"
October 34° 61° -2° (1991) 94° (2005) 1.42" 1.6"
November 22° 47° -19° (1959) 83° (1999) 0.53" 6"
December 13° 37° -30° (1990) 75° (1965) 0.42" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 12° 37° -20° (1974) 63° (1998) 0.01" 0.1"
Jan 2 12° 37° -16° (1968) 66° (1998) 0.01" 0.2"
Jan 3 13° 37° -24° (1950) 59° (2003) 0.02" 0.1"
Jan 4 13° 37° -27° (1950) 61° (2001) 0.01" 0.2"
Jan 5 13° 37° -17° (1988) 60° (2008) 0.01" 0.1"
Jan 6 13° 37° -21° (1982) 64° (1954) 0.01" 0.2"
Jan 7 13° 37° -18° (1968) 64° (2002) 0.01" 0.1"
Jan 8 13° 37° -18° (2010) 72° (2002) 0.01" 0.2"
Jan 9 13° 37° -20° (1988) 74° (1953) 0.01" 0.1"
Jan 10 13° 37° -24° (1982) 66° (1995) 0.01" 0.2"
Jan 11 13° 37° -21° (1982) 68° (1987) 0.01" 0.1"
Jan 12 13° 37° -16° (1997) 76° (1987) 0.01" 0.1"
Jan 13 13° 37° -16° (1972) 62° (1983) 0.01" 0.2"
Jan 14 13° 37° -23° (1979) 69° (2006) 0.01" 0.1"
Jan 15 13° 37° -22° (1950) 63° (2000) 0.01" 0.1"
Jan 16 13° 37° -26° (1982) 68° (1973) 0.01" 0.2"
Jan 17 13° 37° -24° (1943) 62° (1972) 0.01" 0.1"
Jan 18 13° 37° -27° (1943) 59° (1989) 0.01" 0.1"
Jan 19 13° 37° -26° (1963) 66° (2005) 0" 0.2"
Jan 20 13° 37° -25° (1949) 64° (2009) 0.01" 0.1"
Jan 21 13° 37° -25° (1949) 64° (1989) 0.01" 0.2"
Jan 22 13° 37° -18° (1962) 62° (1981) 0.01" 0.1"
Jan 23 13° 37° -21° (1963) 68° (2005) 0.01" 0.2"
Jan 24 13° 37° -22° (1957) 69° (2005) 0.01" 0.1"
Jan 25 13° 37° -21° (1957) 66° (2006) 0.01" 0.1"
Jan 26 13° 37° -23° (1957) 65° (2002) 0" 0.2"
Jan 27 13° 37° -23° (1972) 63° (1989) 0.01" 0.1"
Jan 28 13° 37° -23° (1972) 66° (1988) 0.01" 0.2"
Jan 29 13° 37° -25° (1951) 64° (1960) 0.01" 0.1"
Jan 30 13° 38° -21° (1996) 72° (1989) 0.01" 0.1"
Jan 31 13° 38° -21° (1996) 68° (1992) 0.01" 0.2"
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