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Yearly Normals for Jamestown, CO

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 4 32 18 1.83 1468 0 Feb 6 36 21 1.51 1231 0 Mar 13 43 28 1.52 1155 0 Apr 20 50 35 1.96 912 0 May 28 60 44 2.05 659 0 Jun 34 71 53 1.49 377 0 Jul 39 76 58 2.11 238 3 Aug 38 74 56 2.15 286 3 Sep 31 68 49 1.68 468 0 Oct 23 57 40 1.5 783 0 Nov 13 40 26 1.37 1158 0 Dec 5 32 18 1.58 1447 0 Year 21 53 37 20.75 10182 6 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather