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Yearly Normals for Windsor, IL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 17 35 26 2.05 1215 0 Feb 22 41 31 1.95 943 0 Mar 32 53 42 3.2 706 0 Apr 42 65 54 3.58 350 7 May 52 76 64 4.47 139 104 Jun 61 85 73 3.9 10 237 Jul 65 88 76 4.54 0 348 Aug 63 86 74 4.14 11 299 Sep 55 80 67 2.98 54 125 Oct 44 68 56 2.74 305 22 Nov 34 52 43 3.32 668 0 Dec 23 39 31 2.87 1057 0 Year 42 64 53 39.74 5458 1142 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather