Morris County, NJ Climate


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United States / New Jersey / / Morris County / Cities / Zip Codes
Morris County, NJ is located in the humid continental region and has a temperate climate. The summers are typically hot with temperatures reaching into the high 80s, while winters can be cold with temperatures dropping into the teens and occasionally below freezing. Morris County has a wide range of precipitation, with an average of 40 to 50 inches per year. Snowfall is common during winter months, and thunderstorms tend to occur during spring and summer months. Overall the area has four distinct seasons and is generally mild throughout much of the year.

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

Morris County averages 29 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 Morris County. The US average is 205 sunny days.

Morris County gets some kind of precipitation, on average, 116 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 84 degrees
Winter Low: the January low is 19
Rain: averages 50 inches of rain a year
Snow: averages 29 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Morris County 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 County, while January and February are the least comfortable months.

  ClimateMorris, New JerseyUnited States
  50.4 in.38.1 in.
  29.2 in.27.8 in.
  116.3 days106.2 days
  206 days205 days
  83.8°85.8°
  18.7°21.7°
  7.17
  3.84.3
  643 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 County with an average high temperature of 83.8°, which ranks it as cooler than most places in New Jersey. In Morris County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Morris County are June, September and August.
In Morris County, there are 11.7 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 County with an average of 18.7°. This is colder than most places in New Jersey.
In Morris County, there are 125.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New Jersey.
In Morris County, there are 2.1 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 County 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 County with 4.7 inches of rain, and the driest month is February with 3.0 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 County means that it is one of the wettest places in New Jersey.
May is the rainiest month in Morris County with 11.5 days of rain, and October is the driest month with only 8.4 rainy days. There are 116.3 rainy days annually in Morris County, which is about average compared to other 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 29.2 inches in Morris County means that it is snowier than most places in New Jersey. January is the snowiest month in Morris County with 9.2 inches of snow, and 6 months of the year have significant snowfall.
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