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December Normals for Allin, IL

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 25 41 33 0.09 31 0 2 25 41 33 0.09 32 0 3 25 40 32 0.09 32 0 4 24 40 32 0.09 33 0 5 24 39 32 0.09 33 0 6 23 39 31 0.09 33 0 7 23 38 31 0.09 34 0 8 23 38 30 0.09 34 0 9 22 38 30 0.09 35 0 10 22 37 30 0.09 35 0 11 22 37 29 0.08 35 0 12 21 36 29 0.08 36 0 13 21 36 29 0.08 36 0 14 20 36 28 0.08 36 0 15 20 35 28 0.08 37 0 16 20 35 27 0.08 37 0 17 20 35 27 0.08 37 0 18 19 34 27 0.08 38 0 19 19 34 27 0.07 38 0 20 19 34 26 0.07 38 0 21 18 34 26 0.07 38 0 22 18 33 26 0.07 39 0 23 18 33 25 0.07 39 0 24 17 33 25 0.07 39 0 25 17 33 25 0.07 40 0 26 17 32 25 0.07 40 0 27 17 32 24 0.06 40 0 28 16 32 24 0.06 40 0 29 16 32 24 0.06 41 0 30 16 32 24 0.06 41 0 31 16 31 23 0.06 41 0 Month 20 36 28 2.4 1138 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