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Yearly Normals for De Soto, IL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 22 40 31 2.75 1062 0 Feb 26 46 36 2.61 804 0 Mar 36 57 47 4.3 573 0 Apr 45 68 57 4.27 270 18 May 55 77 66 4.81 92 129 Jun 64 86 75 4.23 4 297 Jul 68 90 79 3.54 0 424 Aug 65 88 76 3.33 2 353 Sep 57 81 69 3.27 44 159 Oct 45 71 58 3.17 253 33 Nov 36 56 46 4.44 573 1 Dec 26 44 35 3.47 929 0 Year 45 67 56 44.19 4606 1414 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather