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Seneca, SD Climate

1991 to 2020 normals at Highmore 23 N, 15 mi from the center of Seneca, elevation 1870 ft.

Average weather by month

Select a month for daily normals and last year's weather

MonthRangeHighLowPrecip.Snow
January24°5°0.36 in--
February30°10°0.57 in--
March42°20°0.74 in--
April57°30°1.81 in--
May68°42°2.77 in--
June78°53°3.08 in--
July85°58°3.44 in--
August84°56°3.21 in--
September75°47°2.20 in--
October58°34°1.61 in--
November42°20°0.52 in--
December29°9°0.70 in--
Year56°21.01 in--

Frequently asked questions

What is the hottest month in Seneca, SD?
July is the warmest month, with a normal high of 85°F at Highmore 23 N.
What is the coldest month in Seneca, SD?
January is the coldest month, with a normal low of 5°F.
What is the wettest month in Seneca, SD?
July has the most precipitation on average, about 3.44 inches.