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Yearly Normals for Granville, IL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 14 29 22 1.65 1346 0 Feb 19 35 27 1.48 1061 0 Mar 30 48 39 2.46 821 0 Apr 40 61 51 3.76 435 4 May 51 73 62 4.09 171 85 Jun 61 82 72 4.36 13 210 Jul 65 85 75 3.34 2 310 Aug 63 82 73 4.76 16 248 Sep 55 75 65 3.65 88 81 Oct 43 63 53 2.94 381 9 Nov 31 47 39 2.93 786 0 Dec 19 33 26 2.45 1197 0 Year 41 59 50 37.87 6317 947 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather