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December Normals for Bighorn, MT

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 18 39 28 0.01 37 0 2 17 38 28 0.01 37 0 3 17 38 28 0.02 37 0 4 17 38 27 0.02 38 0 5 16 38 27 0.02 38 0 6 16 38 27 0.02 38 0 7 16 37 27 0.02 38 0 8 16 37 26 0.02 39 0 9 15 37 26 0.02 39 0 10 15 37 26 0.02 39 0 11 15 36 26 0.02 39 0 12 15 36 26 0.02 40 0 13 14 36 25 0.02 40 0 14 14 36 25 0.02 40 0 15 14 36 25 0.02 40 0 16 14 35 25 0.02 40 0 17 14 35 24 0.02 41 0 18 13 35 24 0.02 41 0 19 13 35 24 0.02 41 0 20 13 35 24 0.02 41 0 21 13 35 24 0.02 41 0 22 13 34 24 0.02 41 0 23 13 34 23 0.02 42 0 24 12 34 23 0.02 42 0 25 12 34 23 0.02 42 0 26 12 34 23 0.02 42 0 27 12 34 23 0.02 42 0 28 12 34 23 0.02 42 0 29 12 33 23 0.02 42 0 30 12 33 23 0.02 43 0 31 12 33 22 0.02 43 0 Month 14 36 25 0.6 1245 0 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather