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
May 1 37° 65° 19° (1984) 95° (1992) 0.07" NA
May 2 37° 65° 19° (1967) 90° (1987) 0.08" NA
May 3 38° 65° 16° (1976) 90° (1982) 0.07" NA
May 4 38° 66° 17° (1967) 90° (2000) 0.06" NA
May 5 39° 66° 23° (1968) 91° (2000) 0.07" NA
May 6 39° 66° 16° (1976) 83° (1992) 0.07" NA
May 7 39° 66° 18° (1976) 89° (1992) 0.07" NA
May 8 40° 67° 15° (1980) 93° (1985) 0.08" NA
May 9 40° 67° 20° (1966) 91° (1987) 0.08" NA
May 10 40° 67° 21° (1981) 94° (1987) 0.08" NA
May 11 41° 68° 27° (2006) 94° (1987) 0.07" NA
May 12 41° 68° 25° (1968) 85° (1977) 0.07" NA
May 13 42° 68° 26° (1966) 91° (2007) 0.08" NA
May 14 42° 68° 21° (1973) 92° (2001) 0.07" NA
May 15 42° 69° 26° (1974) 92° (1987) 0.07" NA
May 16 43° 69° 29° (1970) 93° (1987) 0.08" NA
May 17 43° 69° 26° (1969) 93° (1987) 0.07" NA
May 18 43° 69° 26° (2002) 90° (2006) 0.08" NA
May 19 44° 69° 25° (2002) 98° (1992) 0.08" NA
May 20 44° 70° 28° (1967) 97° (1992) 0.08" NA
May 21 44° 70° 26° (1968) 94° (1964) 0.09" NA
May 22 45° 70° 37° (1973) 90° (1966) 0.09" NA
May 23 45° 70° 28° (1992) 87° (1967) 0.09" NA
May 24 45° 71° 26° (2002) 87° (1994) 0.09" NA
May 25 46° 71° 30° (1968) 93° (1985) 0.1" NA
May 26 46° 71° 26° (1992) 93° (1966) 0.09" NA
May 27 46° 72° 28° (1992) 101° (1969) 0.1" NA
May 28 47° 72° 25° (1965) 98° (1969) 0.09" NA
May 29 47° 72° 32° (1966) 89° (2002) 0.1" NA
May 30 47° 72° 31° (1983) 94° (2002) 0.11" NA
May 31 48° 73° 30° (1964) 88° (1984) 0.1" NA
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