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Yearly Normals for South Sioux City, NE

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 8 30 19 0.37 1421 0 Feb 15 37 26 0.49 1096 0 Mar 25 49 37 1.8 857 0 Apr 37 64 50 2.76 448 7 May 49 75 62 3.74 165 66 Jun 58 85 71 3.61 20 213 Jul 63 89 76 3.4 7 347 Aug 62 86 74 2.82 13 290 Sep 51 79 65 2.41 87 95 Oct 39 67 53 1.97 389 3 Nov 25 46 36 1.47 886 0 Dec 13 33 23 0.52 1307 0 Year 37 62 49 25.36 6696 1021 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather