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Yearly Normals for Roy, ID

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 14 35 25 1.09 1254 0 Feb 19 42 31 0.99 966 0 Mar 26 51 38 1.3 825 0 Apr 31 61 46 1.34 567 0 May 40 70 55 1.55 319 7 Jun 47 81 64 0.92 111 80 Jul 53 90 72 0.63 16 222 Aug 51 90 71 0.48 21 191 Sep 42 79 61 0.77 170 39 Oct 32 65 49 0.99 506 0 Nov 23 46 35 1.19 909 0 Dec 16 36 26 1.06 1217 0 Year 33 62 48 12.31 6881 539 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather