Climate in Passaic County, NJ

Passaic, NJ County has a humid subtropical climate with hot summers and mild winters. Average temperatures vary from 34 degrees Fahrenheit (1 degree Celsius) in January to 79 degrees Fahrenheit (26 degrees Celsius) in July. The area receives an average of 44 inches of precipitation annually. The wettest month is July, with an average of 5 inches of rain, while the driest months are February and April with an average of 2.7 inches each. The humidity is high throughout the year, which can make temperatures feel hotter than they actually are. Winters see moderate snowfall, while summers are often quite warm and humid with frequent showers.

Passaic County, New Jersey gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Passaic County averages 26 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 210 sunny days per year in Passaic County. The US average is 205 sunny days.

Passaic County gets some kind of precipitation, on average, 120 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.

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Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 20
Rain: averages 49 inches of rain a year
Snow: averages 26 inches of snow a year

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BESTPLACES COMFORT INDEX

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

June, September and August are the most pleasant months in Passaic County, while January and February are the least comfortable months.

July is the hottest month for Passaic County with an average high temperature of 84.7°, which ranks it as cooler than most places in New Jersey. In Passaic County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Passaic County are June, September and August.

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In Passaic County, there are 14.1 days annually when the high temperature is over 90°, which is cooler than most places in New Jersey.

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January has the coldest nighttime temperatures for Passaic County with an average of 20.2°. This is colder than most places in New Jersey.

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In Passaic County, there are 113.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New Jersey.

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In Passaic County, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in New Jersey.

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The humidity is usually comfortable in Passaic 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.

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September is the wettest month in Passaic County with 4.6 inches of rain, and the driest month is February with 2.9 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 49.3 inches in Passaic County means that it is wetter than most places in New Jersey.

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May is the rainiest month in Passaic County with 11.6 days of rain, and February is the driest month with only 8.4 rainy days. There are 120.0 rainy days annually in Passaic County, 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 23% chance of a rainy day.

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An annual snowfall of 26.2 inches in Passaic County means that it is snowier than most places in New Jersey. February is the snowiest month in Passaic County with 7.6 inches of snow, and 6 months of the year have significant snowfall.

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