Morris Plains, NJ Climate


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Morris Plains, NJ has a humid subtropical climate with warm summers and cool winters. The average high temperature in the summer is around 75°F (24°C), while the average low temperature in the winter is around 32°F (0°C). Precipitation is generally moderate throughout the year, with an average of just over 43 inches annually. The area receives plenty of sunshine, averaging around 218 days of sunshine per year.

Morris Plains, New Jersey gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Morris Plains averages 31 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 204 sunny days per year in Morris Plains. The US average is 205 sunny days.

Morris Plains gets some kind of precipitation, on average, 115 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 85 degrees
Winter Low: the January low is 20
Rain: averages 50 inches of rain a year
Snow: averages 31 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Morris Plains is 7.1 (10=best), which means it is less comfortable than most places in New Jersey.

9 Summer - 5.2 Winter
June, September and August are the most pleasant months in Morris Plains, while January and February are the least comfortable months.

  ClimateMorris Plains, New JerseyUnited States
  50.4 in.38.1 in.
  30.9 in.27.8 in.
  114.7 days106.2 days
  204 days205 days
  84.8°85.8°
  19.6°21.7°
  7.17
  3.84.3
  387 ft.2443 ft.
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 Morris Plains with an average high temperature of 84.8°, which ranks it as about average compared to other places in New Jersey. In Morris Plains, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Morris Plains are September, June and August.
In Morris Plains, there are 14.2 days annually when the high temperature is over 90°, which is cooler than most places in New Jersey.
January has the coldest nighttime temperatures for Morris Plains with an average of 19.6°. This is colder than most places in New Jersey.
In Morris Plains, there are 120.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New Jersey.
In Morris Plains, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in New Jersey.
The humidity is usually comfortable in Morris Plains 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 Morris Plains with 4.9 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 50.4 inches in Morris Plains means that it is one of the wettest places in New Jersey.
May is the rainiest month in Morris Plains with 11.5 days of rain, and October is the driest month with only 8.2 rainy days. There are 114.7 rainy days annually in Morris Plains, which is less rainy 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 30.9 inches in Morris Plains means that it is one of the snowiest places in New Jersey. January is the snowiest month in Morris Plains with 10.0 inches of snow, and 6 months of the year have significant snowfall.
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