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Yearly Normals for Saint Louis, OR

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 33 46 40 6.63 788 0 Feb 35 51 43 5.5 619 0 Mar 37 56 47 4.65 566 0 Apr 40 62 51 2.81 432 0 May 44 69 56 1.94 280 6 Jun 48 75 61 1.14 143 30 Jul 51 82 67 0.43 50 98 Aug 51 82 67 0.52 53 108 Sep 48 77 62 1.37 128 45 Oct 42 65 53 2.96 360 1 Nov 37 52 45 6.23 605 0 Dec 33 46 40 7.48 791 0 Year 42 63 53 41.66 4815 288 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather