Plainfield (NJ) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Plainfield

Plainfield average temperature chart (Celsius) Plainfield average temperature chart (Fahrenheit)
Average monthly temperatures in Plainfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.6 4.5 10.1 16.3 22.3 27 29.6 28.6 24.7 18.7 11.9 5.1
°F 36.7 40 50.2 61.3 72.1 80.6 85.2 83.5 76.5 65.6 53.4 41.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Plainfield monthly rainfall chart (mm) Plainfield monthly rainfall chart (inches)
Average monthly rainfall in Plainfield (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 90 79 104 103 112 93 129 118 107 92 106 99
inches 3.5 3.1 4.1 4 4.4 3.7 5.1 4.6 4.2 3.6 4.2 3.9
Rainy days 10 10 11 11 11 10 10 9 8 8 11 11

Average annual rainfall in Plainfield: 1197.366mm (471.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Plainfield

Plainfield average daily sunshine chart
Average daily sunshine Plainfield
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.4 7.3 8.1 8.7 9.3 9.4 9.1 7.8 7.2 5.4 4.9

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Plainfield average minimum / maximum temperatures (Celsius) Plainfield average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Plainfield (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.2 -5.1 -0.6 4.3 9.8 14.7 17.6 16.9 12.8 6.5 2.1 -3.2
Max °C 2.8 4.7 10.4 16.6 22.6 27.3 29.9 28.9 25 19 12.2 5.4
Min °F 20.8 22.8 30.9 39.7 49.6 58.5 63.6 62.4 55 43.6 35.7 26.3
Max °F 28.9 31.6 40.8 50.7 61.2 69.8 74.7 73.2 66 54.9 44.8 34

Sea temperature

The graph below shows the average sea temperature.

Plainfield average sea temperature chart (Celsius) Plainfield average sea temperature chart (Fahrenheit)
Average sea temperature around Plainfield in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.6 3.7 3.9 6.4 11 16.9 21.9 23.1 21 16.9 12.4 8.6
°F 42.1 38.7 39 43.5 51.8 62.4 71.4 73.6 69.8 62.4 54.3 47.5

Wind speed

The graph below shows the average wind speed.

Plainfield average winspeed by month (km/h) Plainfield average winspeed by month (mph)
Average wind speed in Plainfield (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 20 21 20 18 16 15 15 16 16 18 19
mph 12 12 13 12 11 10 9 9 10 10 11 12

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Plainfield relative humidity averages
Average relative humidity in Plainfield
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 64% 61% 59% 64% 66% 66% 68% 70% 68% 68% 68%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Plainfield weather stats

Plainfield weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: February 79mm 3.1ins
Sunniest month: August 9.1hrs
Coldest month: January 2.6°C 36.7°F
Wettest month: July 129mm 5.1ins
Warmest sea: August 23.1°C 73.6°F
Map showing location of Plainfield (40.61682, -74.41727) Plainfield map pin © Google

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