Ottumwa, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 31° -37° (1949) 74° (1987) 0.31" NA
February 13° 38° -45° (1994) 76° (1982) 0.45" NA
March 22° 47° -28° (1960) 86° (1993) 1.27" NA
April 33° 60° 4° (2007) 99° (1980) 1.86" NA
May 45° 72° 17° (2005) 105° (1969) 2.77" NA
June 55° 81° 26° (2000) 112° (2002) 3.17" NA
July 60° 88° 34° (1971) 117° (2006) 2.36" NA
August 58° 88° 31° (2000) 114° (1980) 1.71" NA
September 46° 78° 16° (1951) 108° (2001) 1.26" NA
October 34° 64° -6° (1991) 99° (1963) 1.27" NA
November 20° 46° -28° (1959) 86° (1999) 0.54" NA
December 10° 35° -36° (1967) 74° (1998) 0.28" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 34° -31° (1996) 61° (1995) 0.01" NA
Feb 2 34° -41° (1996) 64° (1962) 0.01" NA
Feb 3 10° 34° -39° (1996) 70° (1962) 0.01" NA
Feb 4 10° 35° -20° (1996) 73° (2005) 0.01" NA
Feb 5 10° 35° -22° (1982) 70° (1963) 0.01" NA
Feb 6 11° 35° -19° (1988) 59° (1965) 0.01" NA
Feb 7 11° 35° -23° (1971) 65° (1963) 0.01" NA
Feb 8 11° 36° -30° (1994) 72° (1954) 0.01" NA
Feb 9 11° 36° -45° (1994) 66° (1996) 0.01" NA
Feb 10 12° 36° -16° (1949) 76° (1951) 0.01" NA
Feb 11 12° 37° -30° (1988) 65° (1990) 0.01" NA
Feb 12 12° 37° -22° (1948) 67° (1983) 0.01" NA
Feb 13 13° 37° -22° (2007) 70° (1954) 0.01" NA
Feb 14 13° 38° -27° (2007) 73° (1954) 0.02" NA
Feb 15 13° 38° -35° (2007) 65° (1976) 0.02" NA
Feb 16 13° 38° -26° (1979) 66° (1981) 0.02" NA
Feb 17 14° 38° -26° (1993) 69° (1970) 0.02" NA
Feb 18 14° 39° -24° (1967) 70° (1954) 0.02" NA
Feb 19 14° 39° -19° (1959) 70° (1965) 0.02" NA
Feb 20 15° 39° -18° (1959) 67° (1965) 0.02" NA
Feb 21 15° 40° -20° (1952) 76° (1982) 0.02" NA
Feb 22 15° 40° -25° (1957) 71° (2000) 0.02" NA
Feb 23 15° 40° -21° (1993) 70° (1976) 0.02" NA
Feb 24 16° 41° -22° (1993) 71° (1995) 0.02" NA
Feb 25 16° 41° -16° (1952) 73° (1958) 0.02" NA
Feb 26 16° 41° -21° (1993) 70° (1976) 0.02" NA
Feb 27 17° 41° -15° (1962) 70° (1976) 0.03" NA
Feb 28 17° 42° -26° (1962) 71° (1972) 0.03" NA
Feb 29 17° 42° -18° (1996) 59° (1968) 0.03" NA
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