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December Normals for Sigourney, IA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 21 39 30 0.07 35 0 2 21 38 30 0.06 35 0 3 20 38 29 0.06 36 0 4 20 37 29 0.06 36 0 5 20 37 28 0.06 37 0 6 19 36 28 0.06 37 0 7 19 36 28 0.05 38 0 8 19 36 27 0.05 38 0 9 18 35 27 0.05 38 0 10 18 35 26 0.05 39 0 11 18 34 26 0.05 39 0 12 17 34 26 0.04 39 0 13 17 34 25 0.04 40 0 14 16 33 25 0.04 40 0 15 16 33 25 0.04 40 0 16 16 33 24 0.04 41 0 17 16 32 24 0.04 41 0 18 15 32 24 0.04 41 0 19 15 32 23 0.04 42 0 20 15 32 23 0.04 42 0 21 14 31 23 0.04 42 0 22 14 31 23 0.04 43 0 23 14 31 22 0.03 43 0 24 13 30 22 0.03 43 0 25 13 30 22 0.03 43 0 26 13 30 21 0.03 44 0 27 12 30 21 0.03 44 0 28 12 30 21 0.03 44 0 29 12 29 21 0.03 44 0 30 12 29 20 0.03 45 0 31 11 29 20 0.03 45 0 Month 16 33 25 1.33 1254 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