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Yearly Normals for Bighorn, MT

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 12 34 23 0.6 1312 0 Feb 17 41 29 0.42 1022 0 Mar 24 50 37 0.87 878 0 Apr 32 60 46 1.49 563 0 May 42 70 56 2.72 295 13 Jun 50 80 65 2.42 95 101 Jul 55 88 71 1.58 29 228 Aug 54 87 71 1.22 47 225 Sep 44 75 60 1.47 212 54 Oct 35 63 49 1.04 512 0 Nov 23 45 34 0.61 926 0 Dec 14 36 25 0.6 1245 0 Year 33 61 47 15.04 7136 621 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather