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Yearly Normals for Big Sky, MT

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 19 35 27 0.57 1169 0 Feb 23 40 31 0.47 943 0 Mar 28 46 37 1.2 865 0 Apr 34 55 45 1.76 610 0 May 42 64 53 3.18 370 3 Jun 49 74 61 2.8 159 49 Jul 55 82 69 1.59 54 163 Aug 54 82 68 1.58 58 156 Sep 45 72 59 1.66 236 42 Oct 37 59 48 1.45 523 0 Nov 28 43 35 0.73 893 0 Dec 21 36 28 0.57 1145 0 Year 36 57 47 17.56 7025 413 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather