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December Normals for Union, OR

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 27 40 33 0.07 32 0 2 26 40 33 0.07 32 0 3 26 40 33 0.07 32 0 4 26 40 33 0.07 32 0 5 26 40 33 0.07 32 0 6 26 39 32 0.07 33 0 7 25 39 32 0.07 33 0 8 25 39 32 0.07 33 0 9 25 39 32 0.06 33 0 10 25 39 32 0.06 33 0 11 25 39 32 0.06 33 0 12 24 39 32 0.06 34 0 13 24 38 31 0.06 34 0 14 24 38 31 0.06 34 0 15 24 38 31 0.06 34 0 16 24 38 31 0.06 34 0 17 24 38 31 0.06 34 0 18 24 38 31 0.06 34 0 19 24 38 31 0.06 34 0 20 23 38 31 0.06 34 0 21 23 37 30 0.06 35 0 22 23 37 30 0.06 35 0 23 23 37 30 0.06 35 0 24 23 37 30 0.06 35 0 25 23 37 30 0.06 35 0 26 23 37 30 0.06 35 0 27 23 37 30 0.06 35 0 28 23 37 30 0.06 35 0 29 23 37 30 0.06 35 0 30 23 37 30 0.06 35 0 31 23 37 30 0.06 35 0 Month 24 38 31 1.94 1049 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