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Yearly Normals for Sioux Falls, SD

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 2 21 12 0.52 1656 0 Feb 10 28 19 0.64 1289 0 Mar 21 40 30 1.68 1073 0 Apr 33 56 45 2.59 615 1 May 45 69 57 3.32 284 27 Jun 54 78 66 3.78 76 108 Jul 59 83 71 3.12 21 199 Aug 57 81 69 3.19 46 167 Sep 47 72 60 2.56 193 32 Oct 35 59 47 1.93 560 0 Nov 21 39 30 1.28 1045 0 Dec 7 26 17 0.54 1499 0 Year 33 54 43 25.15 8357 534 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather