Weather Averages Plainfield, NJ

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Weather Averages for
Plainfield, NJ


Latitude: 40°36'N, Longitude: 74°24'W, Elevation: 90.0 ft, Distance: 2.70 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 53 29 32 41 51 61 70 75 73 66 55 44 34
Average high temperature
over 30 years
°F 63 37 41 51 62 73 81 86 84 77 66 53 41
Average low temperature
over 30 years
°F 42 21 23 31 39 49 58 63 62 55 43 36 26
Average precipitation
over 30 years
in 49.0 3.5 3.1 4.0 4.1 4.6 3.7 5.2 4.7 4.3 3.6 4.2 3.9
Heating degree days
over 30 years
days 5227 1104 913 729 411 145 6 - - 52 312 600 955
Cooling degree days
over 30 years
days 891 - - - - 43 165 310 270 94 9 - -