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December Normals for Hanover Park, IL

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 23 39 31 0.09 34 0 2 23 38 30 0.09 35 0 3 22 38 30 0.08 35 0 4 22 37 29 0.08 36 0 5 21 37 29 0.08 36 0 6 21 37 29 0.08 36 0 7 20 36 28 0.08 37 0 8 20 36 28 0.08 37 0 9 20 35 27 0.07 38 0 10 19 35 27 0.07 38 0 11 19 35 27 0.07 38 0 12 18 34 26 0.07 39 0 13 18 34 26 0.07 39 0 14 18 33 26 0.07 39 0 15 17 33 25 0.06 40 0 16 17 33 25 0.06 40 0 17 17 32 25 0.06 41 0 18 16 32 24 0.06 41 0 19 16 32 24 0.06 41 0 20 16 31 24 0.06 41 0 21 15 31 23 0.06 42 0 22 15 31 23 0.06 42 0 23 15 31 23 0.06 42 0 24 14 30 22 0.06 43 0 25 14 30 22 0.06 43 0 26 14 30 22 0.06 43 0 27 14 30 22 0.06 43 0 28 13 29 21 0.06 44 0 29 13 29 21 0.06 44 0 30 13 29 21 0.06 44 0 31 13 29 21 0.06 44 0 Month 17 33 25 2.1 1235 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