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Yearly Normals for Lone Tree, IL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 15 30 23 1.31 1309 0 Feb 21 36 28 1.54 1026 0 Mar 31 49 40 2.96 772 0 Apr 43 62 52 3.61 391 8 May 54 72 63 4.4 151 87 Jun 63 82 72 4.45 14 229 Jul 67 85 76 4.48 1 350 Aug 65 83 74 3.86 12 298 Sep 57 76 67 3.6 66 111 Oct 46 65 55 2.91 319 12 Nov 33 49 41 2.72 734 0 Dec 21 35 28 2.1 1153 0 Year 43 60 52 37.94 5948 1095 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather