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Yearly Normals for Zillah, WA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 21 38 29 1.17 1097 0 Feb 25 46 35 0.8 821 0 Mar 29 56 43 0.7 682 0 Apr 33 64 49 0.53 474 1 May 40 72 56 0.51 275 18 Jun 46 80 63 0.62 112 65 Jul 51 87 69 0.22 28 171 Aug 50 87 68 0.36 30 148 Sep 42 78 60 0.39 162 28 Oct 33 64 49 0.53 493 0 Nov 26 48 37 1.05 824 0 Dec 21 37 29 1.38 1106 0 Year 35 63 49 8.26 6104 431 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather