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December Normals for West Windsor, NJ

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 28 47 37 0.13 28 0 2 28 46 37 0.13 28 0 3 28 46 37 0.13 28 0 4 27 45 36 0.13 29 0 5 27 45 36 0.13 29 0 6 27 45 36 0.12 29 0 7 26 44 35 0.12 30 0 8 26 44 35 0.12 30 0 9 26 44 35 0.12 30 0 10 25 43 34 0.12 31 0 11 25 43 34 0.12 31 0 12 25 42 34 0.12 31 0 13 25 42 33 0.12 32 0 14 24 42 33 0.12 32 0 15 24 42 33 0.12 32 0 16 24 41 33 0.12 32 0 17 24 41 32 0.12 33 0 18 23 41 32 0.13 33 0 19 23 40 32 0.13 33 0 20 23 40 32 0.13 34 0 21 23 40 31 0.13 34 0 22 22 40 31 0.13 34 0 23 22 39 31 0.13 34 0 24 22 39 31 0.13 34 0 25 22 39 30 0.13 35 0 26 21 39 30 0.13 35 0 27 21 39 30 0.13 35 0 28 21 38 30 0.13 35 0 29 21 38 29 0.13 36 0 30 21 38 29 0.13 36 0 31 20 38 29 0.14 36 0 Month 24 42 33 3.92 999 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