Plainsboro, NJ Climate


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United States / New Jersey / New York-Newark-Jersey City Metro Area / Middlesex County / Plainsboro / Zip Codes
Plainsboro, NJ is located in Central New Jersey and has a humid continental climate. Summers in Plainsboro are warm and humid while winters are cold with snowfall averaging around 25 inches each year. Spring and fall are mild and wet seasons with temperatures ranging from the mid-forties to mid-seventies. The area receives plenty of sunshine throughout the year, making it an ideal place to enjoy outdoor activities.

Plainsboro, New Jersey gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Plainsboro averages 23 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Plainsboro. The US average is 205 sunny days.

Plainsboro gets some kind of precipitation, on average, 121 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 86 degrees
Winter Low: the January low is 22
Rain: averages 48 inches of rain a year
Snow: averages 23 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Plainsboro is 7.2 (10=best), which means it is about average compared to other places in New Jersey.

8.7 Summer - 5.5 Winter
September, June and May are the most pleasant months in Plainsboro, while January and February are the least comfortable months.

  ClimatePlainsboro, New JerseyUnited States
    Unlock38.1 in.
  23.2 in.  Unlock
    Unlock106.2 days
  206 days  Unlock
  85.5°85.8°
    Unlock21.7°
  7.2  Unlock
    Unlock4.3
  85 ft.  Unlock
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Plainsboro with an average high temperature of 85.5°, which ranks it as warmer than most places in New Jersey. In Plainsboro, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Plainsboro are September, June and August.
In Plainsboro, there are 17.3 days annually when the high temperature is over 90°, which is about average compared to other places in New Jersey.
January has the coldest nighttime temperatures for Plainsboro with an average of 22.4°. This is about average compared to other places in New Jersey.
In Plainsboro, there are 106.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New Jersey.
In Plainsboro, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New Jersey.
The humidity is usually comfortable in Plainsboro but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
July is the wettest month in Plainsboro with 5.2 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 48.1 inches in Plainsboro means that it is about average compared to other places in New Jersey.
May is the rainiest month in Plainsboro with 12.1 days of rain, and September is the driest month with only 8.6 rainy days. There are 120.8 rainy days annually in Plainsboro, which is rainier than most places in New Jersey. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.
An annual snowfall of 23.2 inches in Plainsboro means that it is about average compared to other places in New Jersey. February is the snowiest month in Plainsboro with 7.8 inches of snow, and 5 months of the year have significant snowfall.
Reviews for Plainsboro
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Bernard Smolowitz of the Smolowitz RE Group. · Plainsboro, NJ
Homes in Plainsboro, NJ
Over 11 years ago

My wife Rosanne and I have lived in Plainsboro for nearly 30 years. We have raised our three children here. WE LOVE IT!!! The schools are great, the community is  More

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Karen · Plainsboro, NJ
Central New Jersey...not what you may think
Over 15 years ago

We've lived in several different parts of the country, and when we found out we were moving to NJ due to my husband's new job, we bought into the stereotype and thought,  More

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IDaveZ · Plainsboro, NJ
Great Town
Over 17 years ago

Plainsboro is clean, safe and quiet with excellent schools, affordable housing and good jobs  More

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