Climate in Warren County, New Jersey

Warren County, NJ has a humid continental climate, with warm and humid summers, cold winters with occasional snowfall, and four distinct seasons. In the summer, temperatures average in the mid-80s, while winter temperatures are often in the low 20s. Precipitation is generally evenly spread throughout the year and there are usually between 40-50 inches of precipitation each year. The wettest months tend to be April and May while the driest months are usually July and August. Warren County experiences an abundance of sunshine throughout the year.

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

Warren County averages 32 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 Warren County. The US average is 205 sunny days.

Warren County gets some kind of precipitation, on average, 122 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 83 degrees
Winter Low: the January low is 18
Rain: averages 49 inches of rain a year
Snow: averages 32 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Warren County is 7.0 (10=best), which means it is less comfortable than most places in New Jersey.

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

July is the hottest month for Warren County with an average high temperature of 83.0°, which ranks it as cooler than most places in New Jersey. In Warren County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Warren County are June, August and September.

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In Warren County, there are 9.4 days annually when the high temperature is over 90°, which is one of the coolest places in New Jersey.

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January has the coldest nighttime temperatures for Warren County with an average of 17.8°. This is one of the coldest places in New Jersey.

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In Warren County, there are 133.6 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in New Jersey.

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In Warren County, there are 2.8 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 Warren 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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July is the wettest month in Warren County with 4.8 inches of rain, and the driest month is February with 2.9 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 48.8 inches in Warren County means that it is wetter than most places in New Jersey.

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May is the rainiest month in Warren County with 12.3 days of rain, and February is the driest month with only 8.7 rainy days. There are 121.7 rainy days annually in Warren 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 32.0 inches in Warren County means that it is one of the snowiest places in New Jersey. January is the snowiest month in Warren County with 10.2 inches of snow, and 6 months of the year have significant snowfall.

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