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Yearly Normals for Martinton, IL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 12 31 22 1.77 1343 0 Feb 17 37 27 1.62 1067 0 Mar 28 48 38 2.78 840 0 Apr 38 61 49 3.8 474 2 May 49 73 61 4.54 205 74 Jun 59 83 71 4.44 22 194 Jul 63 86 74 4.38 4 295 Aug 61 84 72 3.11 18 239 Sep 52 78 65 3.47 85 78 Oct 40 65 53 2.7 394 6 Nov 30 50 40 3.36 757 0 Dec 19 36 28 2.61 1150 0 Year 39 61 50 38.58 6359 888 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather