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December Normals for Irene, IL

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 23 37 30 0.08 35 0 2 23 37 30 0.08 35 0 3 22 36 29 0.08 36 0 4 22 36 29 0.07 36 0 5 22 35 28 0.07 37 0 6 21 35 28 0.07 37 0 7 21 35 28 0.07 37 0 8 20 34 27 0.07 38 0 9 20 34 27 0.07 38 0 10 20 33 27 0.06 38 0 11 19 33 26 0.06 39 0 12 19 33 26 0.06 39 0 13 19 32 26 0.06 40 0 14 18 32 25 0.06 40 0 15 18 32 25 0.06 40 0 16 18 31 25 0.06 41 0 17 17 31 24 0.06 41 0 18 17 31 24 0.05 41 0 19 17 30 24 0.05 41 0 20 16 30 23 0.05 42 0 21 16 30 23 0.05 42 0 22 16 30 23 0.05 42 0 23 15 29 22 0.05 43 0 24 15 29 22 0.05 43 0 25 15 29 22 0.05 43 0 26 15 29 22 0.05 43 0 27 14 28 21 0.05 44 0 28 14 28 21 0.05 44 0 29 14 28 21 0.05 44 0 30 13 28 21 0.05 44 0 31 13 28 20 0.05 45 0 Month 18 32 25 1.84 1248 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