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December Normals for Glen Mary, TN

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 32 51 42 0.16 23 0 2 32 51 42 0.16 23 0 3 32 51 41 0.16 24 0 4 32 50 41 0.16 24 0 5 31 50 41 0.16 24 0 6 31 50 40 0.16 25 0 7 31 49 40 0.16 25 0 8 31 49 40 0.16 25 0 9 30 49 40 0.16 25 0 10 30 48 39 0.16 26 0 11 30 48 39 0.16 26 0 12 30 48 39 0.16 26 0 13 29 48 39 0.16 26 0 14 29 47 38 0.16 27 0 15 29 47 38 0.16 27 0 16 29 47 38 0.16 27 0 17 29 47 38 0.16 27 0 18 28 47 37 0.16 28 0 19 28 46 37 0.15 28 0 20 28 46 37 0.16 28 0 21 28 46 37 0.16 28 0 22 28 46 37 0.16 28 0 23 28 45 36 0.16 29 0 24 27 45 36 0.16 29 0 25 27 45 36 0.16 29 0 26 27 45 36 0.16 29 0 27 27 45 36 0.16 29 0 28 27 45 36 0.16 29 0 29 27 44 35 0.16 30 0 30 26 44 35 0.16 30 0 31 26 44 35 0.16 30 0 Month 29 47 38 4.95 834 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