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December Normals for Tyndall, SD

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 18 37 28 0.03 37 0 2 18 37 27 0.03 38 0 3 18 37 27 0.03 38 0 4 17 36 27 0.03 38 0 5 17 36 26 0.02 39 0 6 17 36 26 0.02 39 0 7 16 35 26 0.02 39 0 8 16 35 25 0.02 40 0 9 16 35 25 0.02 40 0 10 15 34 25 0.02 40 0 11 15 34 25 0.02 40 0 12 15 34 24 0.02 41 0 13 14 34 24 0.02 41 0 14 14 33 24 0.02 41 0 15 14 33 23 0.02 42 0 16 13 33 23 0.02 42 0 17 13 33 23 0.02 42 0 18 13 33 23 0.02 42 0 19 13 32 23 0.02 42 0 20 12 32 22 0.02 43 0 21 12 32 22 0.02 43 0 22 12 32 22 0.02 43 0 23 12 32 22 0.02 43 0 24 11 31 21 0.02 44 0 25 11 31 21 0.02 44 0 26 11 31 21 0.02 44 0 27 11 31 21 0.02 44 0 28 11 31 21 0.02 44 0 29 10 31 21 0.01 44 0 30 10 31 20 0.02 45 0 31 10 30 20 0.02 45 0 Month 14 33 24 0.65 1287 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