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December Normals for Hartsville, TN

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 36 51 44 0.17 21 0 2 36 51 43 0.17 22 0 3 35 51 43 0.17 22 0 4 35 51 43 0.17 22 0 5 35 50 43 0.17 22 0 6 34 50 42 0.17 23 0 7 34 50 42 0.17 23 0 8 34 49 42 0.17 23 0 9 34 49 41 0.17 24 0 10 33 49 41 0.17 24 0 11 33 49 41 0.17 24 0 12 33 48 41 0.17 24 0 13 33 48 40 0.17 25 0 14 32 48 40 0.16 25 0 15 32 47 40 0.16 25 0 16 32 47 39 0.16 26 0 17 32 47 39 0.16 26 0 18 31 47 39 0.16 26 0 19 31 46 39 0.16 26 0 20 31 46 39 0.16 26 0 21 31 46 38 0.16 27 0 22 30 46 38 0.16 27 0 23 30 46 38 0.16 27 0 24 30 45 38 0.16 27 0 25 30 45 37 0.16 28 0 26 30 45 37 0.15 28 0 27 29 45 37 0.15 28 0 28 29 45 37 0.15 28 0 29 29 44 37 0.15 28 0 30 29 44 37 0.15 29 0 31 29 44 36 0.15 29 0 Month 32 47 40 5.03 785 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