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December Normals for Princeton, IA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 24 35 30 0.07 35 0 2 24 35 29 0.07 36 0 3 23 34 29 0.07 36 0 4 23 34 28 0.07 37 0 5 22 34 28 0.07 37 0 6 22 33 28 0.07 38 0 7 21 33 27 0.06 38 0 8 21 32 27 0.06 38 0 9 20 32 26 0.06 39 0 10 20 32 26 0.06 39 0 11 20 31 26 0.06 40 0 12 19 31 25 0.06 40 0 13 19 30 25 0.06 40 0 14 19 30 24 0.06 41 0 15 18 30 24 0.06 41 0 16 18 29 24 0.06 41 0 17 17 29 23 0.05 42 0 18 17 29 23 0.05 42 0 19 17 29 23 0.05 42 0 20 16 28 22 0.05 43 0 21 16 28 22 0.05 43 0 22 16 28 22 0.05 43 0 23 15 28 21 0.05 44 0 24 15 27 21 0.05 44 0 25 15 27 21 0.05 44 0 26 14 27 21 0.05 45 0 27 14 27 20 0.05 45 0 28 14 27 20 0.05 45 0 29 13 26 20 0.05 45 0 30 13 26 20 0.05 45 0 31 13 26 19 0.05 46 0 Month 18 30 24 1.77 1274 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