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December Normals for Seneca, OR

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 16 37 26 0.06 39 0 2 15 37 26 0.06 39 0 3 15 36 26 0.06 39 0 4 14 36 25 0.06 40 0 5 14 36 25 0.06 40 0 6 14 36 25 0.06 40 0 7 13 36 25 0.06 40 0 8 13 35 24 0.06 41 0 9 13 35 24 0.05 41 0 10 13 35 24 0.05 41 0 11 12 35 24 0.05 41 0 12 12 35 24 0.05 42 0 13 12 35 23 0.05 42 0 14 12 35 23 0.05 42 0 15 11 34 23 0.05 42 0 16 11 34 23 0.05 42 0 17 11 34 23 0.05 42 0 18 11 34 22 0.05 43 0 19 11 34 22 0.05 43 0 20 10 34 22 0.05 43 0 21 10 34 22 0.05 43 0 22 10 34 22 0.05 43 0 23 10 34 22 0.05 43 0 24 10 33 22 0.05 43 0 25 10 33 22 0.05 43 0 26 10 33 22 0.05 44 0 27 10 33 21 0.05 44 0 28 10 33 21 0.05 44 0 29 9 33 21 0.05 44 0 30 9 33 21 0.05 44 0 31 9 33 21 0.05 44 0 Month 12 35 23 1.63 1301 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