Penn township (Chester County), PA Climate


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Penn Township (Chester County), PA has a temperate climate with mild winters and warm summers. The average annual temperature ranges from highs of 78°F in the summer to lows of 27°F during the winter months. Precipitation is plentiful throughout the year, with an average of 48 inches annually. Snowfall averages 25 inches each winter, but can vary greatly from one year to the next. The spring and fall months usually bring moderate temperatures and a mix of sunny days and rainy days.

Penn township (Chester County), Pennsylvania gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Penn township (Chester County) averages 26 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Penn township (Chester County). The US average is 205 sunny days.

Penn township (Chester County) gets some kind of precipitation, on average, 124 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 48 inches of rain a year
Snow: averages 26 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Penn township (Chester County) is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

8.7 Summer - 5.2 Winter
June, September and August are the most pleasant months in Penn township (Chester County), while January and February are the least comfortable months.

  ClimatePenn township (Chester County), PennsylvaniaUnited States
  47.9 in.38.1 in.
  25.7 in.27.8 in.
  124.0 days106.2 days
  202 days205 days
  84.7°85.8°
  20.8°21.7°
  7.17
  44.3
  495 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 Penn township (Chester County) with an average high temperature of 84.7°, which ranks it as warmer than most places in Pennsylvania. In Penn township (Chester County), there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Penn township (Chester County) are September, June and August.
In Penn township (Chester County), there are 11.7 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.
January has the coldest nighttime temperatures for Penn township (Chester County) with an average of 20.8°. This is warmer than most places in Pennsylvania.
In Penn township (Chester County), there are 118.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.
In Penn township (Chester County), there are 0.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.
The humidity is usually comfortable in Penn township (Chester 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.
September is the wettest month in Penn township (Chester County) with 4.9 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.9 inches in Penn township (Chester County) means that it is one of the wettest places in Pennsylvania.
May is the rainiest month in Penn township (Chester County) with 11.8 days of rain, and September is the driest month with only 9.0 rainy days. There are 124.0 rainy days annually in Penn township (Chester County), 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 25.7 inches in Penn township (Chester County) means that it is less snowy than most places in Pennsylvania. February is the snowiest month in Penn township (Chester County) with 9.3 inches of snow, and 6 months of the year have significant snowfall.
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