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Yearly Normals for Oso, WA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 32 46 39 5.77 803 0 Feb 34 50 42 4.11 649 0 Mar 37 54 46 4.15 602 0 Apr 41 59 50 3.76 454 0 May 45 65 55 3.03 309 0 Jun 49 70 59 2.85 176 5 Jul 51 74 63 1.77 89 21 Aug 52 75 64 1.62 80 32 Sep 48 70 59 2.68 190 7 Oct 42 61 51 3.97 428 0 Nov 37 51 44 6.88 635 0 Dec 33 46 39 5.97 798 0 Year 42 60 51 46.56 5213 65 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather