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December Normals for Williamsport, TN

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 33 56 44 0.19 21 0 2 33 55 44 0.19 21 0 3 32 55 44 0.19 21 0 4 32 55 44 0.19 22 0 5 32 54 43 0.19 22 0 6 32 54 43 0.19 22 0 7 31 54 43 0.19 22 0 8 31 54 42 0.19 23 0 9 31 53 42 0.19 23 0 10 31 53 42 0.18 23 0 11 31 53 42 0.18 23 0 12 30 52 41 0.18 24 0 13 30 52 41 0.18 24 0 14 30 52 41 0.18 24 0 15 30 52 41 0.18 24 0 16 30 51 41 0.18 25 0 17 29 51 40 0.18 25 0 18 29 51 40 0.18 25 0 19 29 51 40 0.18 25 0 20 29 50 40 0.17 25 0 21 29 50 39 0.17 26 0 22 28 50 39 0.17 26 0 23 28 50 39 0.17 26 0 24 28 50 39 0.17 26 0 25 28 49 39 0.17 26 0 26 28 49 39 0.17 26 0 27 28 49 38 0.16 27 0 28 28 49 38 0.16 27 0 29 27 49 38 0.16 27 0 30 27 49 38 0.16 27 0 31 27 48 38 0.16 27 0 Month 30 52 41 5.5 755 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