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Yearly Normals for Hamilton, MT

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 18 35 26 0.71 1197 0 Feb 21 42 32 0.54 938 0 Mar 27 51 39 0.68 809 0 Apr 32 61 46 0.99 566 0 May 39 69 54 1.72 359 2 Jun 45 77 61 1.62 162 31 Jul 49 84 67 0.94 62 110 Aug 48 84 66 1.14 70 93 Sep 40 73 56 1.03 275 17 Oct 32 60 46 0.77 583 0 Nov 24 44 34 0.8 936 0 Dec 17 35 26 0.75 1213 0 Year 32 59 46 11.69 7170 253 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather