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Yearly Normals for Seville, IL

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 15 31 23 1.62 1312 0 Feb 20 37 29 1.72 1018 0 Mar 30 49 40 2.85 780 0 Apr 41 63 52 3.76 407 6 May 51 73 62 4.27 170 73 Jun 60 81 71 4.26 19 190 Jul 64 85 75 4.33 3 297 Aug 62 83 73 4.02 16 249 Sep 54 77 66 3.45 80 98 Oct 43 65 54 2.97 341 10 Nov 32 49 40 2.74 740 0 Dec 20 35 28 2.32 1159 0 Year 41 61 51 38.31 6045 923 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather