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December Normals for Derby, IN

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 33 50 42 0.13 23 0 2 32 50 41 0.13 24 0 3 32 49 41 0.13 24 0 4 32 49 40 0.13 25 0 5 31 49 40 0.13 25 0 6 31 48 40 0.13 25 0 7 31 48 39 0.13 26 0 8 30 48 39 0.13 26 0 9 30 47 39 0.13 26 0 10 30 47 38 0.12 27 0 11 29 47 38 0.12 27 0 12 29 46 38 0.12 27 0 13 29 46 37 0.12 28 0 14 29 46 37 0.12 28 0 15 28 45 37 0.12 28 0 16 28 45 37 0.12 28 0 17 28 45 36 0.12 29 0 18 28 44 36 0.12 29 0 19 27 44 36 0.12 29 0 20 27 44 35 0.11 30 0 21 27 44 35 0.11 30 0 22 27 43 35 0.11 30 0 23 26 43 35 0.11 30 0 24 26 43 35 0.11 30 0 25 26 43 34 0.11 31 0 26 26 42 34 0.11 31 0 27 25 42 34 0.11 31 0 28 25 42 34 0.11 31 0 29 25 42 33 0.11 32 0 30 25 42 33 0.11 32 0 31 25 41 33 0.11 32 0 Month 28 45 37 3.69 874 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