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December Normals for Serena, IL

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 20 37 28 0.09 37 0 2 19 36 28 0.09 37 0 3 19 36 27 0.09 38 0 4 18 35 27 0.09 38 0 5 18 35 26 0.08 39 0 6 18 34 26 0.08 39 0 7 17 34 26 0.08 39 0 8 17 33 25 0.08 40 0 9 16 33 25 0.08 40 0 10 16 33 24 0.08 41 0 11 16 32 24 0.07 41 0 12 15 32 24 0.07 41 0 13 15 32 23 0.07 42 0 14 15 31 23 0.07 42 0 15 14 31 22 0.07 43 0 16 14 30 22 0.07 43 0 17 13 30 22 0.07 43 0 18 13 30 21 0.07 44 0 19 13 29 21 0.06 44 0 20 12 29 21 0.06 44 0 21 12 29 20 0.06 45 0 22 12 29 20 0.06 45 0 23 11 28 20 0.06 45 0 24 11 28 20 0.06 45 0 25 11 28 19 0.06 46 0 26 11 27 19 0.06 46 0 27 10 27 19 0.06 46 0 28 10 27 18 0.06 46 0 29 10 27 18 0.06 47 0 30 9 27 18 0.05 47 0 31 9 26 18 0.05 47 0 Month 14 31 22 2.16 1320 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