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December Normals for Spiro, OK

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 33 55 44 0.14 21 0 2 32 54 43 0.14 22 0 3 32 54 43 0.14 22 0 4 32 54 43 0.13 22 0 5 32 54 43 0.13 23 0 6 31 53 42 0.13 23 0 7 31 53 42 0.12 23 0 8 31 53 42 0.12 23 0 9 30 52 41 0.12 24 0 10 30 52 41 0.11 24 0 11 30 52 41 0.11 24 0 12 30 52 41 0.11 24 0 13 29 51 40 0.11 25 0 14 29 51 40 0.1 25 0 15 29 51 40 0.1 25 0 16 29 51 40 0.1 25 0 17 29 50 39 0.1 25 0 18 28 50 39 0.09 26 0 19 28 50 39 0.09 26 0 20 28 50 39 0.09 26 0 21 28 50 39 0.09 26 0 22 27 49 38 0.09 27 0 23 27 49 38 0.08 27 0 24 27 49 38 0.08 27 0 25 27 49 38 0.08 27 0 26 27 49 38 0.08 27 0 27 26 49 38 0.08 27 0 28 26 48 37 0.08 28 0 29 26 48 37 0.08 28 0 30 26 48 37 0.08 28 0 31 26 48 37 0.08 28 0 Month 29 51 40 3.18 778 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