ClimateForecastNovemberDecember >>

Piscataway (NJ) Climate by Month

The temperature in Piscataway can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and cold during the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Piscataway can expect significant temperature changes throughout the year. Average daytime temperatures range from a very warm 31°C in July, the warmest time of the year, to a chilly 5°C during cooler months like January. At night, temperatures typically average around -5°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Piscataway is known for its substantial rain/snowfall, with annual precipitation reaching 1230 mm. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 126 mm of precipitation, spread over 11 rainy days. In contrast, November experiences a drier climate, with about 75 mm of rainfall spread across 9 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Piscataway. While July receives considerable daily sunshine with up to 9.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.

Monthly hours of sunshine

Data from: Trenton, the United States of America (43 KM, 27 Miles).

Daily hours of sunshine

Data from: Trenton, the United States of America (43 KM, 27 Miles).

The best time of year to visit Piscataway in the United States of America

Other facts from our historical weather data:
  • When is summer in Piscataway?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Piscataway?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Piscataway?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Piscataway?
    December tops the wettest month list with 126 mm of rainfall.
  • Which is the driest month in Piscataway?
    November is the driest month with 75 mm of precipitation.
  • Which is the sunniest month in Piscataway?
    July is the sunniest month with an average of 269 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Piscataway (NJ)

    Thu   Nov 21
    12°C | 2°C
    W 14 km/h
    34 mm
    overcast and heavy rain

    overcast and heavy rain

    Fri   Nov 22
    5°C | 0°C
    SW 14 km/h
    13 mm
    overcast and heavy rain

    overcast and heavy rain

    Sat   Nov 23
    11°C | 0°C
    NW 18 km/h
    1.4 mm
    partly cloudy and no rain

    partly cloudy and no rain