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Yearly Normals for Silverton, OR

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 34 46 40 6.49 780 0 Feb 36 50 43 5.57 618 0 Mar 38 55 47 5.03 565 0 Apr 41 60 50 3.79 440 0 May 46 66 56 2.98 286 6 Jun 51 72 61 2.08 144 25 Jul 54 79 66 0.86 46 89 Aug 54 79 67 0.99 43 98 Sep 51 74 63 1.88 119 43 Oct 44 63 54 3.6 354 1 Nov 39 52 45 7.16 595 0 Dec 34 46 40 7.07 787 0 Year 43 62 53 47.5 4777 262 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather