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December Normals for Union, MO

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 29 46 38 0.11 28 0 2 28 46 37 0.1 28 0 3 28 46 37 0.1 28 0 4 27 45 36 0.1 29 0 5 27 45 36 0.1 29 0 6 27 44 35 0.09 30 0 7 26 44 35 0.09 30 0 8 26 43 35 0.09 30 0 9 26 43 34 0.09 31 0 10 25 43 34 0.09 31 0 11 25 42 34 0.08 31 0 12 25 42 33 0.08 32 0 13 24 42 33 0.08 32 0 14 24 41 33 0.08 32 0 15 24 41 32 0.08 33 0 16 23 41 32 0.08 33 0 17 23 41 32 0.07 33 0 18 23 40 32 0.07 33 0 19 23 40 31 0.07 34 0 20 22 40 31 0.07 34 0 21 22 39 31 0.07 34 0 22 22 39 31 0.07 34 0 23 22 39 30 0.07 35 0 24 21 39 30 0.06 35 0 25 21 39 30 0.06 35 0 26 21 38 30 0.06 35 0 27 21 38 30 0.06 35 0 28 21 38 29 0.06 36 0 29 21 38 29 0.06 36 0 30 21 38 29 0.06 36 0 31 20 37 29 0.06 36 0 Month 24 41 33 2.41 1008 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