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December Normals for Cedar Mill, OR

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 31 46 39 0.27 26 0 2 31 45 38 0.27 27 0 3 31 45 38 0.27 27 0 4 31 45 38 0.27 27 0 5 31 45 38 0.27 27 0 6 31 45 38 0.27 27 0 7 31 45 38 0.27 27 0 8 31 45 38 0.26 27 0 9 30 44 37 0.26 28 0 10 30 44 37 0.26 28 0 11 30 44 37 0.26 28 0 12 30 44 37 0.26 28 0 13 30 44 37 0.26 28 0 14 30 44 37 0.26 28 0 15 30 44 37 0.26 28 0 16 30 44 37 0.26 28 0 17 30 43 37 0.26 28 0 18 30 43 37 0.26 28 0 19 30 43 37 0.26 29 0 20 30 43 36 0.25 29 0 21 29 43 36 0.25 29 0 22 29 43 36 0.25 29 0 23 29 43 36 0.25 29 0 24 29 43 36 0.25 29 0 25 29 43 36 0.25 29 0 26 29 43 36 0.25 29 0 27 29 43 36 0.25 29 0 28 29 43 36 0.25 29 0 29 29 43 36 0.25 29 0 30 29 43 36 0.25 29 0 31 29 43 36 0.25 29 0 Month 30 44 37 8.01 872 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