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December Normals for Bethany, MO

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 23 41 32 0.07 33 0 2 23 41 32 0.06 33 0 3 22 40 31 0.06 34 0 4 22 40 31 0.06 34 0 5 22 40 31 0.06 34 0 6 21 39 30 0.06 35 0 7 21 39 30 0.06 35 0 8 21 38 29 0.06 36 0 9 20 38 29 0.05 36 0 10 20 38 29 0.05 36 0 11 19 37 28 0.05 37 0 12 19 37 28 0.05 37 0 13 19 37 28 0.05 37 0 14 18 36 27 0.05 38 0 15 18 36 27 0.05 38 0 16 18 36 27 0.05 38 0 17 18 35 27 0.05 38 0 18 17 35 26 0.05 39 0 19 17 35 26 0.04 39 0 20 17 35 26 0.04 39 0 21 16 34 25 0.04 40 0 22 16 34 25 0.04 40 0 23 16 34 25 0.04 40 0 24 16 34 25 0.04 40 0 25 15 33 24 0.04 41 0 26 15 33 24 0.04 41 0 27 15 33 24 0.04 41 0 28 15 33 24 0.04 41 0 29 14 33 24 0.04 41 0 30 14 33 23 0.04 42 0 31 14 32 23 0.04 42 0 Month 18 36 27 1.51 1175 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