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Yearly Normals for Union, WA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 33 43 38 13.69 843 0 Feb 34 47 41 11.93 685 0 Mar 36 52 44 9.59 653 0 Apr 39 57 48 5.64 505 0 May 44 64 54 3.28 341 0 Jun 49 69 59 1.98 191 6 Jul 52 74 63 1.16 97 36 Aug 52 75 64 1.46 84 44 Sep 49 69 59 3.03 195 14 Oct 42 59 50 7.38 455 0 Nov 37 48 43 15.16 666 0 Dec 34 43 38 15.76 827 0 Year 42 58 50 90.06 5542 100 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather