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Yearly Normals for O Brien, OR

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 35 50 43 13.77 690 0 Feb 37 54 46 11.56 543 0 Mar 38 59 49 10.53 511 0 Apr 39 65 52 5.51 391 1 May 43 73 58 3.32 229 13 Jun 49 80 64 1.31 85 59 Jul 52 88 70 0.29 19 171 Aug 52 88 70 0.82 19 177 Sep 49 84 67 2.28 64 108 Oct 44 70 57 5.12 266 18 Nov 40 55 47 13.02 536 0 Dec 35 49 42 13.3 709 0 Year 43 68 55 80.83 4062 547 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather