Interactive (Beta) Radar Satellite Currents Severe Forecasts Climate Tropical Rivers Live Search Map
Temperature Change Precipitation Yesterday Records Normals Drought Short-Term Long-Term
Climatological Normals

December Normals for Riverton, IA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 22 40 31 0.05 34 0 2 22 40 31 0.05 34 0 3 22 39 30 0.05 35 0 4 21 39 30 0.05 35 0 5 21 39 30 0.05 35 0 6 21 38 29 0.04 36 0 7 20 38 29 0.04 36 0 8 20 37 29 0.04 36 0 9 20 37 28 0.04 37 0 10 19 37 28 0.04 37 0 11 19 36 28 0.04 37 0 12 19 36 27 0.04 38 0 13 18 36 27 0.03 38 0 14 18 35 27 0.03 38 0 15 18 35 26 0.03 39 0 16 17 35 26 0.03 39 0 17 17 35 26 0.03 39 0 18 17 34 26 0.03 40 0 19 17 34 25 0.03 40 0 20 16 34 25 0.03 40 0 21 16 33 25 0.03 40 0 22 16 33 24 0.03 41 0 23 15 33 24 0.03 41 0 24 15 33 24 0.03 41 0 25 15 33 24 0.03 41 0 26 15 32 24 0.03 41 0 27 14 32 23 0.03 42 0 28 14 32 23 0.03 42 0 29 14 32 23 0.03 42 0 30 14 32 23 0.03 42 0 31 14 32 23 0.03 42 0 Month 18 35 26 1.1 1198 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