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December Normals for John Day, OR

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 22 40 31 0.06 34 0 2 21 40 31 0.06 34 0 3 21 39 30 0.06 35 0 4 21 39 30 0.06 35 0 5 21 39 30 0.06 35 0 6 21 39 30 0.06 35 0 7 21 39 30 0.06 35 0 8 20 39 30 0.06 35 0 9 20 39 29 0.06 36 0 10 20 38 29 0.05 36 0 11 20 38 29 0.05 36 0 12 20 38 29 0.05 36 0 13 20 38 29 0.05 36 0 14 19 38 29 0.05 36 0 15 19 38 29 0.05 36 0 16 19 38 28 0.05 37 0 17 19 38 28 0.05 37 0 18 19 37 28 0.05 37 0 19 19 37 28 0.05 37 0 20 19 37 28 0.05 37 0 21 19 37 28 0.05 37 0 22 19 37 28 0.05 37 0 23 19 37 28 0.05 37 0 24 19 37 28 0.05 37 0 25 19 37 28 0.05 37 0 26 18 37 28 0.05 37 0 27 18 37 28 0.05 37 0 28 18 37 28 0.05 37 0 29 18 37 27 0.05 38 0 30 18 37 27 0.05 38 0 31 18 37 27 0.05 38 0 Month 20 38 29 1.64 1125 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