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Yearly Normals for Twisp, WA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 13 30 21 2 1360 0 Feb 18 38 28 1.5 1037 0 Mar 25 51 38 1.05 843 0 Apr 32 62 47 0.77 544 0 May 39 71 55 1.02 315 4 Jun 45 78 62 1.06 150 45 Jul 49 86 67 0.8 51 124 Aug 49 86 67 0.72 48 116 Sep 40 77 58 0.61 235 35 Oct 31 62 47 0.93 574 0 Nov 24 41 33 1.99 974 0 Dec 14 29 21 2.6 1356 0 Year 31 59 45 15.05 7487 324 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather