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December Normals for Ralston, IA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 18 37 27 0.04 38 0 2 18 37 27 0.04 38 0 3 17 36 27 0.04 38 0 4 17 36 26 0.04 39 0 5 16 35 26 0.04 39 0 6 16 35 25 0.03 40 0 7 16 34 25 0.03 40 0 8 15 34 25 0.03 40 0 9 15 34 24 0.03 41 0 10 14 33 24 0.03 41 0 11 14 33 24 0.03 42 0 12 14 33 23 0.03 42 0 13 13 32 23 0.03 42 0 14 13 32 22 0.03 43 0 15 13 32 22 0.03 43 0 16 12 31 22 0.03 43 0 17 12 31 22 0.03 44 0 18 12 31 21 0.03 44 0 19 11 30 21 0.03 44 0 20 11 30 21 0.03 44 0 21 11 30 20 0.03 45 0 22 10 30 20 0.03 45 0 23 10 29 20 0.03 45 0 24 10 29 20 0.03 45 0 25 10 29 19 0.03 46 0 26 9 29 19 0.02 46 0 27 9 29 19 0.03 46 0 28 9 28 19 0.03 46 0 29 9 28 19 0.03 46 0 30 9 28 18 0.03 47 0 31 8 28 18 0.03 47 0 Month 13 32 22 0.97 1329 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