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Yearly Normals for Portland, IN

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 16 30 23 2 1299 0 Feb 19 34 27 1.83 1078 0 Mar 29 46 37 2.58 860 0 Apr 40 58 49 3.21 484 2 May 51 71 61 4.11 209 73 Jun 61 80 70 3.92 26 182 Jul 64 84 74 3.9 2 278 Aug 62 81 72 3.7 14 220 Sep 55 75 65 3.07 87 84 Oct 42 63 53 2.53 406 17 Nov 33 48 41 3.04 733 0 Dec 23 35 29 2.65 1117 0 Year 41 59 50 36.54 6315 856 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather