Seneca, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -38° (1972) 65° (1981) 0.42" 4"
February 11° 31° -38° (1994) 72° (2000) 0.64" 6.1"
March 21° 42° -22° (1978) 82° (1988) 1.06" 8.2"
April 31° 58° -5° (1975) 96° (1980) 1.95" 4.3"
May 43° 69° 15° (1980) 101° (1969) 2.53" 0.1"
June 52° 78° 28° (1964) 110° (1988) 3.24" 0"
July 58° 85° 32° (1971) 113° (2006) 2.87" 0"
August 56° 84° 31° (1964) 114° (1965) 2.38" 0"
September 46° 74° 11° (1974) 105° (1976) 1.99" 0"
October 34° 59° -1° (1991) 95° (1963) 1.54" 1.1"
November 20° 41° -28° (1964) 81° (1990) 0.67" 5"
December 27° -38° (1990) 66° (1998) 0.52" 5.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 52° 80° 36° (1965) 100° (1983) 0.06" NA
Sep 2 52° 80° 37° (1974) 104° (1983) 0.07" NA
Sep 3 51° 80° 26° (1974) 100° (2005) 0.06" NA
Sep 4 51° 79° 36° (1968) 100° (1978) 0.06" NA
Sep 5 51° 79° 32° (1965) 104° (1978) 0.06" NA
Sep 6 50° 78° 35° (1968) 105° (1976) 0.07" NA
Sep 7 50° 78° 31° (1986) 102° (1976) 0.08" NA
Sep 8 49° 78° 31° (1986) 96° (1978) 0.07" NA
Sep 9 49° 77° 34° (1976) 96° (1964) 0.07" NA
Sep 10 49° 77° 35° (1977) 99° (1998) 0.07" NA
Sep 11 48° 76° 32° (1989) 96° (1981) 0.07" NA
Sep 12 48° 76° 25° (1964) 96° (1981) 0.07" NA
Sep 13 47° 75° 29° (1975) 96° (1990) 0.07" NA
Sep 14 47° 75° 30° (1993) 95° (1969) 0.06" NA
Sep 15 46° 74° 30° (1984) 90° (1969) 0.07" NA
Sep 16 46° 74° 26° (1973) 95° (2002) 0.06" NA
Sep 17 46° 73° 26° (1981) 94° (1989) 0.06" NA
Sep 18 45° 73° 28° (1971) 98° (1998) 0.07" NA
Sep 19 45° 72° 17° (1991) 98° (1984) 0.06" NA
Sep 20 44° 72° 26° (1964) 94° (1972) 0.07" NA
Sep 21 44° 71° 22° (1983) 91° (1984) 0.06" NA
Sep 22 43° 71° 25° (1983) 90° (1984) 0.07" NA
Sep 23 43° 70° 22° (1976) 94° (2007) 0.07" NA
Sep 24 43° 70° 24° (1965) 89° (1990) 0.06" NA
Sep 25 42° 69° 27° (1985) 90° (1967) 0.07" NA
Sep 26 42° 69° 18° (1965) 97° (1974) 0.07" NA
Sep 27 41° 68° 22° (1964) 94° (1983) 0.07" NA
Sep 28 41° 68° 22° (1974) 90° (1983) 0.06" NA
Sep 29 40° 67° 26° (1984) 90° (2007) 0.07" NA
Sep 30 40° 67° 11° (1974) 92° (1989) 0.06" NA
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