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Yearly Normals for Shell Rock, IA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 8 25 16 0.88 1509 0 Feb 14 31 23 0.88 1180 0 Mar 26 45 35 1.89 927 0 Apr 37 60 49 3.25 499 4 May 49 72 61 4.3 198 65 Jun 59 81 70 4.97 25 176 Jul 62 84 73 4.4 6 264 Aug 60 82 71 4.31 19 209 Sep 51 75 63 3.32 116 55 Oct 40 62 51 2.4 435 3 Nov 27 43 35 2.02 904 0 Dec 13 29 21 1.02 1361 0 Year 37 57 47 33.64 7179 776 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather