Zip 19544 (Mount Aetna, PA) Climate

19544 Mount Aetna, PA is known for its hot and humid summers, as well as moderate winters. The area generally experiences mild temperatures year-round, with the average high temperature in July being around 82 degrees Fahrenheit and the average low temperature in January dipping to 27 degrees Fahrenheit. Precipitation is abundant throughout the year with an annual average of 42 inches of rain and snowfall at around 19 inches annually. This region also experiences on average about 204 sunny days per year.

Mount Aetna (zip 19544), Pennsylvania gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mount Aetna (zip 19544) averages 21 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Mount Aetna (zip 19544). The US average is 205 sunny days.

Mount Aetna (zip 19544) gets some kind of precipitation, on average, 116 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 45 inches of rain a year
Snow: averages 21 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 19544 zip code is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

8.8 Summer - 5.3 Winter

June, September and August are the most pleasant months in the 19544 zip code, while January and February are the least comfortable months.

Climate	Mount Aetna, Pennsylvania	United States
	Unlock	38.1 in.
	21.2 in.	Unlock
	Unlock	106.2 days
	197 days	Unlock
	84.6°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	527 ft.	Unlock

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 the 19544 zip code with an average high temperature of 84.6°, which ranks it as warmer than most places in Pennsylvania. In the 19544 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 19544 zip code are September, June and August.

In the 19544 zip code, there are 13.0 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

January has the coldest nighttime temperatures for the 19544 zip code with an average of 21.0°. This is warmer than most places in Pennsylvania.

In the 19544 zip code, there are 112.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In the 19544 zip code, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

The humidity is usually comfortable in the 19544 zip code 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.

July is the wettest month in the 19544 zip code with 4.6 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. The annual rainfall of 45.1 inches in the 19544 zip code means that it is wetter than most places in Pennsylvania.

May is the rainiest month in the 19544 zip code with 11.9 days of rain, and February is the driest month with only 8.3 rainy days. There are 116.2 rainy days annually in the 19544 zip code, 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 Spring with only a 23% chance of a rainy day.

An annual snowfall of 21.2 inches in the 19544 zip code means that it is less snowy than most places in Pennsylvania. February is the snowiest month in the 19544 zip code with 7.6 inches of snow, and 5 months of the year have significant snowfall.

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