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Yearly Normals for Macon, IL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 15 34 25 1.67 1248 0 Feb 20 40 30 1.92 982 0 Mar 30 52 41 2.88 741 0 Apr 41 64 52 3.72 384 4 May 51 75 63 4.29 146 89 Jun 61 84 72 4.21 14 236 Jul 64 88 76 4 0 338 Aug 62 86 74 3.34 12 290 Sep 53 80 67 2.97 70 121 Oct 42 68 55 2.83 323 21 Nov 32 53 42 3.44 688 0 Dec 21 40 30 2.31 1077 0 Year 41 64 52 37.58 5685 1099 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather