Climate in Pennsylvania

Pennsylvania, Pennsylvania gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Pennsylvania averages 38 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 179 sunny days per year in Pennsylvania. The US average is 205 sunny days.

Pennsylvania gets some kind of precipitation, on average, 137 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 Highs & Lows

Summer High: the July high is around 83 degrees
Winter Low: the January low is 19

SPERLING'S COMFORT INDEX

Pennsylvania ranks 48/100 for Comfort Index

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

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 Pennsylvania with an average high temperature of 83.0°, which ranks it as cooler than most states. In Pennsylvania, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pennsylvania are June, August and September.

January has the coldest nighttime temperatures for Pennsylvania with an average of 18.8°. This is about average compared to other of the U.S. states.

Pennsylvania has 9.5 days annually when the high temperature is over 90°, which is cooler than most states in the U.S.

Pennsylvania has 128.6 days annually when the nighttime low temperature falls below freezing, which is colder than most states in the U.S.

Pennsylvania averages 3.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other states in the U.S.

July is the wettest month in Pennsylvania with 4.3 inches of rain, and the driest month is February with 2.6 inches. The wettest season is Autumn with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season.

Pennsylvania's average annual rainfall of 43.6 inches indicates that it is about average compared to other states in the United States.

Pennsylvania's average annual snowfall of 38.2 inches indicates that it is about average compared to other states in the United States.

January is the snowiest month in Pennsylvania with 11.5 inches of snow, and 6 months of the year have significant snowfall.

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