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Yearly Normals for Penitentiary, CO

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan -2 31 15 0.32 1558 0 Feb 2 36 19 0.29 1298 0 Mar 14 42 28 0.81 1146 0 Apr 22 49 36 0.95 879 0 May 32 59 46 1.4 601 0 Jun 40 70 55 1.32 299 2 Jul 46 75 61 2.29 143 5 Aug 45 73 59 2.5 193 4 Sep 37 67 52 1.08 402 0 Oct 26 57 41 0.74 736 0 Nov 14 42 28 0.49 1119 0 Dec 2 33 17 0.39 1487 0 Year 23 53 38 12.58 9861 11 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather