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Yearly Normals for South Yankton, NE

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 8 28 18 0.46 1461 0 Feb 14 35 24 0.71 1136 0 Mar 25 46 35 1.68 921 0 Apr 37 60 48 2.54 508 5 May 49 71 60 3.61 196 51 Jun 59 82 70 3.12 31 187 Jul 64 87 75 3.53 7 326 Aug 62 84 73 2.68 14 262 Sep 51 76 64 2.28 125 83 Oct 38 63 51 1.64 452 1 Nov 25 44 34 1.31 925 0 Dec 13 31 22 0.6 1339 0 Year 37 59 48 24.16 7115 915 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather