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December Normals for Osco, IL

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 25 39 32 0.08 33 0 2 25 39 32 0.08 33 0 3 25 38 31 0.08 34 0 4 24 38 31 0.08 34 0 5 24 37 31 0.07 35 0 6 23 37 30 0.07 35 0 7 23 36 30 0.07 35 0 8 22 36 29 0.07 36 0 9 22 36 29 0.07 36 0 10 22 35 28 0.07 37 0 11 21 35 28 0.07 37 0 12 21 35 28 0.07 37 0 13 20 34 27 0.07 38 0 14 20 34 27 0.07 38 0 15 20 33 27 0.07 38 0 16 19 33 26 0.07 39 0 17 19 33 26 0.07 39 0 18 19 33 26 0.06 39 0 19 18 32 25 0.06 40 0 20 18 32 25 0.06 40 0 21 18 32 25 0.06 40 0 22 17 31 24 0.06 41 0 23 17 31 24 0.06 41 0 24 17 31 24 0.06 41 0 25 16 31 24 0.06 41 0 26 16 31 23 0.06 42 0 27 16 30 23 0.05 42 0 28 16 30 23 0.05 42 0 29 15 30 23 0.05 42 0 30 15 30 22 0.05 43 0 31 15 30 22 0.05 43 0 Month 20 34 27 2.02 1191 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