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December Normals for Billings, MT

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 17 39 28 0.01 37 0 2 16 39 28 0.01 37 0 3 16 39 28 0.01 37 0 4 16 39 28 0.01 38 0 5 16 39 27 0.01 38 0 6 16 39 27 0.01 38 0 7 15 38 27 0.01 38 0 8 15 38 27 0.01 38 0 9 15 38 27 0.01 38 0 10 15 38 26 0.01 39 0 11 15 38 26 0.01 39 0 12 14 38 26 0.01 39 0 13 14 38 26 0.01 39 0 14 14 38 26 0.01 39 0 15 14 37 26 0.01 39 0 16 14 37 26 0.01 39 0 17 14 37 25 0.01 40 0 18 13 37 25 0.01 40 0 19 13 37 25 0.01 40 0 20 13 37 25 0.01 40 0 21 13 37 25 0.01 40 0 22 13 36 25 0.01 40 0 23 13 36 24 0.01 41 0 24 12 36 24 0.01 41 0 25 12 36 24 0.01 41 0 26 12 36 24 0.02 41 0 27 12 36 24 0.02 41 0 28 12 36 24 0.02 41 0 29 12 36 24 0.02 41 0 30 11 36 24 0.02 42 0 31 11 35 23 0.02 42 0 Month 14 37 26 0.37 1223 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