West Chester, PA Climate


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United States / Pennsylvania / Philadelphia-Camden-Wilmington Metro Area / Chester County / West Chester / Zip Codes
West Chester, PA has a humid continental climate, with warm and humid summers and cold winters. The average temperatures range from 46°F in the winter to 80°F during the summer months. Precipitation is abundant throughout the year, with over 40 inches of rain per year, along with occasional snowfall during the winter months. In addition, West Chester experiences four distinct seasons, including lush springs and beautiful autumns that bring colorful foliage to the area.

West Chester, Pennsylvania gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

West Chester averages 22 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 West Chester. The US average is 205 sunny days.

West Chester 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.

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 21
Rain: averages 49 inches of rain a year
Snow: averages 22 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for West Chester is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

8.8 Summer - 5.4 Winter
June, September and August are the most pleasant months in West Chester, while January and February are the least comfortable months.

  ClimateWest Chester, PennsylvaniaUnited States
  48.7 in.38.1 in.
  22.1 in.27.8 in.
  119.7 days106.2 days
  206 days205 days
  84.9°85.8°
  21.4°21.7°
  7.27
  44.3
  449 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 West Chester with an average high temperature of 84.9°, which ranks it as warmer than most places in Pennsylvania. In West Chester, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for West Chester are September, June and August.
In West Chester, there are 12.2 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.
January has the coldest nighttime temperatures for West Chester with an average of 21.4°. This is warmer than most places in Pennsylvania.
In West Chester, there are 112.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.
In West Chester, there are 0.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.
The humidity is usually comfortable in West Chester 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.
September is the wettest month in West Chester with 4.9 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.7 inches in West Chester means that it is one of the wettest places in Pennsylvania.
April is the rainiest month in West Chester with 11.3 days of rain, and September is the driest month with only 8.7 rainy days. There are 119.7 rainy days annually in West Chester, which is less rainy than most places in Pennsylvania. 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.
An annual snowfall of 22.1 inches in West Chester means that it is less snowy than most places in Pennsylvania. February is the snowiest month in West Chester with 8.4 inches of snow, and 6 months of the year have significant snowfall.
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Phyllis · West Chester, PA
Try it, You'll (most likely) Like it!
Over 3 years ago

We've lived in various states, small towns & big cities, all over the country and we both felt West Chester was home as soon as we hit downtown. We've been here 8 years  More

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Lady Ann · New Canaan, CT
Where's the nice, charming part of town? Is the p
Over 12 years ago

There seems to be 2 different profiles for West Chester, PA. One says it's a town of <20K and another says it's more like a small city at over 40K. I was kind of  More

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Abhd · West Chester, PA
West Chester pa
Over 12 years ago

Good that you live in Allentown, because you sure aren't seeing the real West Chester. We're from CA, and we couldn't afford to buy a home there. WC has grown into a  More

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