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December Normals for Optima, OK

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 24 50 37 0.02 28 0 2 24 50 37 0.02 28 0 3 23 50 36 0.02 29 0 4 23 49 36 0.02 29 0 5 23 49 36 0.02 29 0 6 22 49 36 0.02 29 0 7 22 49 35 0.02 30 0 8 22 48 35 0.02 30 0 9 22 48 35 0.02 30 0 10 22 48 35 0.02 30 0 11 21 48 34 0.02 31 0 12 21 47 34 0.02 31 0 13 21 47 34 0.01 31 0 14 21 47 34 0.01 31 0 15 21 47 34 0.01 31 0 16 20 47 34 0.01 32 0 17 20 46 33 0.01 32 0 18 20 46 33 0.01 32 0 19 20 46 33 0.01 32 0 20 20 46 33 0.01 32 0 21 19 46 33 0.01 32 0 22 19 46 33 0.01 32 0 23 19 45 32 0.01 33 0 24 19 45 32 0.01 33 0 25 19 45 32 0.01 33 0 26 19 45 32 0.01 33 0 27 19 45 32 0.02 33 0 28 19 45 32 0.02 33 0 29 19 45 32 0.02 33 0 30 18 45 32 0.02 33 0 31 18 45 32 0.02 34 0 Month 21 47 34 0.48 969 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