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Yearly Normals for Arco, ID

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 6 30 18 0.65 1444 0 Feb 10 36 23 0.55 1175 0 Mar 20 44 32 0.8 1027 0 Apr 28 56 42 0.66 699 0 May 35 65 50 1.24 455 1 Jun 42 75 59 1.3 223 27 Jul 47 84 66 1.06 81 99 Aug 46 83 64 0.89 93 64 Sep 38 73 55 0.71 296 8 Oct 29 60 45 0.58 635 0 Nov 18 41 30 0.66 1059 0 Dec 8 31 19 0.67 1424 0 Year 27 56 42 9.77 8611 199 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather