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December Normals for Dayton, OH

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 29 43 36 0.11 28 0 2 29 43 36 0.11 29 0 3 28 43 36 0.11 29 0 4 28 42 35 0.11 29 0 5 28 42 35 0.11 30 0 6 27 42 34 0.11 30 0 7 27 41 34 0.1 31 0 8 27 41 34 0.1 31 0 9 26 40 33 0.1 31 0 10 26 40 33 0.1 32 0 11 26 40 33 0.1 32 0 12 25 39 32 0.1 32 0 13 25 39 32 0.1 33 0 14 25 39 32 0.1 33 0 15 24 38 31 0.1 33 0 16 24 38 31 0.1 33 0 17 24 38 31 0.1 34 0 18 24 38 31 0.1 34 0 19 23 37 30 0.1 34 0 20 23 37 30 0.1 34 0 21 23 37 30 0.1 35 0 22 23 36 29 0.1 35 0 23 22 36 29 0.1 35 0 24 22 36 29 0.09 35 0 25 22 36 29 0.09 36 0 26 22 36 29 0.09 36 0 27 21 35 28 0.09 36 0 28 21 35 28 0.09 36 0 29 21 35 28 0.09 37 0 30 21 35 28 0.09 37 0 31 20 35 27 0.09 37 0 Month 24 39 31 3.08 1027 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