Devon, PA Climate


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Devon, PA has a humid climate with hot summers and mild winters. The average temperature in the summer is 73 degrees Fahrenheit while the winter temperature averages at 32 degrees Fahrenheit. The region experiences an average of 42 inches of rainfall each year and receives about 33 inches of snow annually. Devon also has about 211 sunny days per year, making it a great destination for outdoor activities!

Devon, Pennsylvania gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Devon averages 22 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 Devon. The US average is 205 sunny days.

Devon gets some kind of precipitation, on average, 115 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 87 degrees
Winter Low: the January low is 20
Rain: averages 47 inches of rain a year
Snow: averages 22 inches of snow a year


Bestplaces Comfort Index

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

8.7 Summer - 5.4 Winter
June, September and May are the most pleasant months in Devon, while January and February are the least comfortable months.

  ClimateDevon, PennsylvaniaUnited States
  46.7 in.38.1 in.
  21.6 in.27.8 in.
  114.8 days106.2 days
  202 days205 days
  86.6°85.8°
  20.1°21.7°
  7.27
  44.3
  499 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 Devon with an average high temperature of 86.6°, which ranks it as one of the hottest places in Pennsylvania. In Devon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Devon are September, May and June.
In Devon, there are 21.4 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.
January has the coldest nighttime temperatures for Devon with an average of 20.1°. This is warmer than most places in Pennsylvania.
In Devon, there are 123.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Pennsylvania.
In Devon, there are 1.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.
The humidity is usually comfortable in Devon 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 Devon with 4.7 inches of rain, and the driest month is February with 2.9 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 46.7 inches in Devon means that it is wetter than most places in Pennsylvania.
April is the rainiest month in Devon with 11.2 days of rain, and September is the driest month with only 8.2 rainy days. There are 114.8 rainy days annually in Devon, 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 21.6 inches in Devon means that it is less snowy than most places in Pennsylvania. February is the snowiest month in Devon with 9.3 inches of snow, and 5 months of the year have significant snowfall.
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