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Yearly Normals for Hilo, HI

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 64 79 71 9.74 0 198 Feb 64 79 72 8.86 0 180 Mar 65 79 72 14.35 0 215 Apr 66 79 73 12.54 0 223 May 67 81 74 8.07 0 268 Jun 68 82 75 7.36 0 303 Jul 69 83 76 10.71 0 336 Aug 69 83 76 9.78 0 350 Sep 69 83 76 9.14 0 336 Oct 69 83 76 9.64 0 328 Nov 67 81 74 15.58 0 268 Dec 65 80 72 10.5 0 223 Year 67 81 74 126.27 0 3228 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather