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Yearly Normals for Charlo, MT

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 20 33 27 0.97 1194 0 Feb 23 39 31 0.79 959 0 Mar 28 48 38 0.82 839 0 Apr 34 59 46 1.15 560 0 May 41 66 54 2.21 351 4 Jun 48 74 61 2.15 172 41 Jul 52 82 67 1.37 62 133 Aug 52 83 68 1.13 57 137 Sep 44 71 58 1.22 245 25 Oct 36 58 47 1 565 0 Nov 28 41 35 1.07 912 0 Dec 21 33 27 1.08 1168 0 Year 36 57 46 14.96 7084 340 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather