Seneca, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -38° (1972) 65° (1981) 0.42" 4"
February 31° -38° (1994) 72° (2000) 0.58" 6.1"
March 18° 43° -22° (1978) 82° (1988) 1.2" 8.2"
April 31° 58° -5° (1975) 96° (1980) 1.93" 4.3"
May 43° 71° 15° (1980) 101° (1969) 2.56" 0.1"
June 53° 80° 28° (1964) 110° (1988) 2.84" 0"
July 58° 87° 32° (1971) 113° (2006) 2.83" 0"
August 55° 85° 31° (1964) 114° (1965) 1.91" 0"
September 45° 75° 11° (1974) 105° (1976) 1.61" 0"
October 32° 61° -1° (1991) 95° (1963) 1.47" 1.1"
November 18° 41° -28° (1964) 81° (1990) 0.72" 5"
December 28° -38° (1990) 66° (1998) 0.5" 5.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 51° 81° 36° (1965) 100° (1983) 0.06" NA
Sep 2 51° 80° 37° (1974) 104° (1983) 0.06" NA
Sep 3 50° 80° 26° (1974) 98° (1978) 0.06" NA
Sep 4 50° 79° 36° (1968) 100° (1978) 0.06" NA
Sep 5 49° 79° 32° (1965) 104° (1978) 0.06" NA
Sep 6 49° 79° 35° (1968) 105° (1976) 0.06" NA
Sep 7 49° 78° 31° (1986) 102° (1976) 0.06" NA
Sep 8 48° 78° 31° (1986) 96° (1978) 0.06" NA
Sep 9 48° 78° 34° (1976) 96° (1964) 0.06" NA
Sep 10 47° 77° 35° (1977) 99° (1998) 0.06" NA
Sep 11 47° 77° 32° (1989) 96° (1981) 0.06" NA
Sep 12 47° 76° 25° (1964) 96° (1981) 0.05" NA
Sep 13 46° 76° 29° (1975) 96° (1990) 0.05" NA
Sep 14 46° 76° 30° (1993) 95° (1969) 0.05" NA
Sep 15 45° 75° 30° (1984) 90° (1969) 0.05" NA
Sep 16 45° 75° 26° (1973) 95° (2002) 0.05" NA
Sep 17 45° 75° 26° (1981) 94° (1989) 0.05" NA
Sep 18 44° 74° 28° (1971) 98° (1998) 0.05" NA
Sep 19 44° 74° 17° (1991) 98° (1984) 0.05" NA
Sep 20 43° 73° 26° (1964) 94° (1972) 0.05" NA
Sep 21 43° 73° 22° (1983) 91° (1984) 0.05" NA
Sep 22 43° 73° 25° (1983) 90° (1984) 0.05" NA
Sep 23 42° 72° 22° (1976) 94° (2007) 0.05" NA
Sep 24 42° 72° 24° (1965) 89° (1990) 0.05" NA
Sep 25 42° 71° 27° (1985) 90° (1967) 0.05" NA
Sep 26 41° 71° 18° (1965) 97° (1974) 0.05" NA
Sep 27 41° 71° 22° (1964) 94° (1983) 0.05" NA
Sep 28 40° 70° 22° (1974) 90° (1983) 0.05" NA
Sep 29 40° 70° 26° (1984) 90° (2007) 0.05" NA
Sep 30 39° 70° 11° (1974) 92° (1989) 0.05" NA
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