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December Normals for Montana City, MT

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 25 40 33 0.01 32 0 2 25 40 32 0.01 33 0 3 25 39 32 0.01 33 0 4 25 39 32 0.01 33 0 5 24 39 32 0.01 33 0 6 24 39 32 0.01 33 0 7 24 39 31 0.01 34 0 8 24 39 31 0.01 34 0 9 23 38 31 0.01 34 0 10 23 38 31 0.01 34 0 11 23 38 31 0.01 34 0 12 23 38 30 0.01 35 0 13 23 38 30 0.01 35 0 14 22 38 30 0.01 35 0 15 22 38 30 0.01 35 0 16 22 37 30 0.01 35 0 17 22 37 29 0.01 36 0 18 22 37 29 0.01 36 0 19 21 37 29 0.01 36 0 20 21 37 29 0.01 36 0 21 21 37 29 0.01 36 0 22 21 37 29 0.01 36 0 23 21 36 29 0.01 36 0 24 20 36 28 0.01 37 0 25 20 36 28 0.01 37 0 26 20 36 28 0.01 37 0 27 20 36 28 0.01 37 0 28 20 36 28 0.01 37 0 29 20 36 28 0.02 37 0 30 20 36 28 0.02 37 0 31 19 36 27 0.02 38 0 Month 22 38 30 0.34 1091 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