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December Normals for Grinnell, KS

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 20 45 33 0.02 33 0 2 20 45 32 0.02 33 0 3 20 44 32 0.02 33 0 4 20 44 32 0.02 33 0 5 19 44 32 0.02 33 0 6 19 44 31 0.02 34 0 7 19 43 31 0.02 34 0 8 19 43 31 0.02 34 0 9 18 43 31 0.02 34 0 10 18 43 30 0.02 35 0 11 18 43 30 0.01 35 0 12 18 42 30 0.01 35 0 13 18 42 30 0.01 35 0 14 17 42 30 0.01 35 0 15 17 42 30 0.01 35 0 16 17 42 29 0.01 36 0 17 17 41 29 0.01 36 0 18 17 41 29 0.01 36 0 19 16 41 29 0.01 36 0 20 16 41 29 0.01 36 0 21 16 41 28 0.01 37 0 22 16 41 28 0.01 37 0 23 16 40 28 0.01 37 0 24 16 40 28 0.01 37 0 25 16 40 28 0.01 37 0 26 15 40 28 0.01 37 0 27 15 40 28 0.01 37 0 28 15 40 27 0.01 37 0 29 15 40 27 0.01 38 0 30 15 40 27 0.01 38 0 31 15 39 27 0.01 38 0 Month 17 42 30 0.41 1101 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