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December Normals for Watchung, NJ

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 26 46 36 0.14 29 0 2 26 46 36 0.14 29 0 3 26 45 35 0.13 30 0 4 25 45 35 0.13 30 0 5 25 44 35 0.13 30 0 6 25 44 34 0.13 31 0 7 24 44 34 0.13 31 0 8 24 43 34 0.13 31 0 9 24 43 33 0.13 32 0 10 24 42 33 0.13 32 0 11 23 42 33 0.13 32 0 12 23 42 33 0.13 32 0 13 23 41 32 0.13 33 0 14 23 41 32 0.13 33 0 15 22 41 32 0.13 33 0 16 22 41 31 0.13 34 0 17 22 40 31 0.13 34 0 18 22 40 31 0.13 34 0 19 21 40 31 0.13 34 0 20 21 40 30 0.13 35 0 21 21 39 30 0.13 35 0 22 21 39 30 0.13 35 0 23 20 39 30 0.13 35 0 24 20 39 29 0.13 36 0 25 20 38 29 0.13 36 0 26 20 38 29 0.13 36 0 27 19 38 29 0.13 36 0 28 19 38 29 0.13 36 0 29 19 38 28 0.13 37 0 30 19 38 28 0.13 37 0 31 19 37 28 0.13 37 0 Month 22 41 32 4.05 1035 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