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December Normals for Shelbyville, MI

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 26 39 32 0.11 32 0 2 26 38 32 0.1 33 0 3 25 38 32 0.1 33 0 4 25 37 31 0.1 33 0 5 25 37 31 0.1 34 0 6 24 37 31 0.1 34 0 7 24 36 30 0.1 34 0 8 24 36 30 0.1 35 0 9 23 36 30 0.09 35 0 10 23 35 29 0.09 35 0 11 23 35 29 0.09 36 0 12 22 35 29 0.09 36 0 13 22 34 28 0.09 36 0 14 22 34 28 0.09 37 0 15 21 34 28 0.09 37 0 16 21 33 27 0.09 37 0 17 21 33 27 0.08 38 0 18 21 33 27 0.08 38 0 19 20 33 26 0.08 38 0 20 20 32 26 0.08 38 0 21 20 32 26 0.08 39 0 22 20 32 26 0.08 39 0 23 19 32 25 0.08 39 0 24 19 31 25 0.08 39 0 25 19 31 25 0.08 40 0 26 19 31 25 0.08 40 0 27 18 31 25 0.08 40 0 28 18 31 24 0.08 40 0 29 18 30 24 0.07 40 0 30 18 30 24 0.07 41 0 31 17 30 24 0.07 41 0 Month 21 34 28 2.7 1147 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