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December Normals for Terril, IA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 17 32 24 0.04 41 0 2 17 31 24 0.04 41 0 3 16 31 24 0.04 42 0 4 16 30 23 0.04 42 0 5 15 30 23 0.04 42 0 6 15 30 22 0.03 43 0 7 14 29 22 0.03 43 0 8 14 29 21 0.03 44 0 9 13 28 21 0.03 44 0 10 13 28 21 0.03 44 0 11 13 28 20 0.03 45 0 12 12 27 20 0.03 45 0 13 12 27 19 0.02 45 0 14 11 27 19 0.02 46 0 15 11 26 19 0.02 46 0 16 11 26 18 0.02 47 0 17 10 26 18 0.02 47 0 18 10 25 18 0.02 47 0 19 10 25 17 0.02 48 0 20 9 25 17 0.02 48 0 21 9 25 17 0.02 48 0 22 9 24 17 0.02 48 0 23 8 24 16 0.02 49 0 24 8 24 16 0.02 49 0 25 8 24 16 0.02 49 0 26 7 23 15 0.02 50 0 27 7 23 15 0.02 50 0 28 7 23 15 0.02 50 0 29 7 23 15 0.02 50 0 30 6 23 14 0.02 50 0 31 6 22 14 0.02 51 0 Month 11 26 19 0.79 1434 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