Piscataway (NJ) monthly weather averages

Average daytime temperature

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

Piscataway average temperature chart (Celsius) Piscataway average temperature chart (Fahrenheit)
Average monthly temperatures in Piscataway (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.7 4.5 10 15.9 21.8 26.7 29.2 28.3 24.5 18.6 12.2 5.5
°F 36.9 40 50 60.7 71.3 80.1 84.6 82.9 76.1 65.4 54 42

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.

Piscataway monthly rainfall chart (mm) Piscataway monthly rainfall chart (inches)
Average monthly rainfall in Piscataway (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 87 76 100 100 107 88 123 113 105 83 102 97
inches 3.4 3 3.9 3.9 4.2 3.5 4.9 4.5 4.1 3.2 4 3.8
Rainy days 10 10 11 11 11 10 10 9 8 8 10 11

Average annual rainfall in Piscataway: 1146.8mm (451.5 inches)

Average daily sunshine

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

Piscataway average daily sunshine chart
Average daily sunshine Piscataway
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.4 7.3 8.1 8.7 9.4 9.4 9.1 7.8 7.2 5.4 5

Day / night temperatures

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

Piscataway average minimum / maximum temperatures (Celsius) Piscataway average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Piscataway (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.2 -5.1 -0.4 4.4 9.9 15 17.9 17.3 13 6.8 2.4 -3
Max °C 3 4.7 10.3 16.2 22.1 27 29.5 28.6 24.8 18.9 12.5 5.8
Min °F 20.9 22.8 31.2 39.9 49.8 59 64.2 63.1 55.4 44.2 36.2 26.7
Max °F 29.1 31.6 40.8 50.5 60.8 69.8 74.7 73.2 66 55 45.3 34.5

Sea temperature

The graph below shows the average sea temperature.

Piscataway average sea temperature chart (Celsius) Piscataway average sea temperature chart (Fahrenheit)
Average sea temperature around Piscataway 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.

Piscataway average winspeed by month (km/h) Piscataway average winspeed by month (mph)
Average wind speed in Piscataway (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 13 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.

Piscataway relative humidity averages
Average relative humidity in Piscataway
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 64% 62% 60% 65% 67% 67% 69% 71% 69% 68% 68%

Other monthly averages

UV index Best time to go?

Piscataway weather stats

Piscataway weather statistics
Hottest month: July 29.2°C 84.6°F
Driest month: February 76mm 3ins
Sunniest month: August 9.1hrs
Coldest month: January 2.7°C 36.9°F
Wettest month: July 123mm 4.8ins
Warmest sea: August 23.1°C 73.6°F
Map showing location of Piscataway (40.49927, -74.39904) Piscataway map pin © Google

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