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Yearly Normals for Westerville, OH

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 17 34 25 2.32 1237 0 Feb 19 38 28 1.91 1030 0 Mar 28 49 38 2.57 830 0 Apr 37 61 49 3.44 483 1 May 48 72 60 3.98 221 57 Jun 57 81 69 4.21 35 154 Jul 61 85 73 4.06 2 248 Aug 59 83 71 3.67 18 206 Sep 51 76 64 2.94 98 63 Oct 40 64 52 2.5 416 10 Nov 31 50 41 3.26 736 0 Dec 23 38 31 2.72 1072 0 Year 39 61 50 37.58 6178 739 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather