Allentown-Bethlehem-Easton Metro Area, PA Climate

The Allentown-Bethlehem-Easton, PA Metro Area has a humid continental climate. Summers are typically hot and humid, with temperatures reaching the mid to upper 90s (Fahrenheit). Winters are cold, with temperatures often dropping below freezing. Snow is common throughout the winter months, and the area commonly experiences occasional ice storms and snowstorms. Spring and fall are mild seasons with varying temperatures depending on the day. Overall, the climate of Allentown-Bethlehem-Easton is quite temperate given its location in Pennsylvania's Lehigh Valley.

Allentown-Bethlehem-Easton Metro Area, Pennsylvania gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Allentown-Bethlehem-Easton Metro Area averages 32 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 Allentown-Bethlehem-Easton Metro Area. The US average is 205 sunny days.

Allentown-Bethlehem-Easton Metro Area gets some kind of precipitation, on average, 118 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 84 degrees
Winter Low: the January low is 18
Rain: averages 48 inches of rain a year
Snow: averages 32 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the Allentown-Bethlehem-Easton metro area is 7.0 (10=best), which means it is more comfortable than most places in Pennsylvania.

8.9 Summer - 5.1 Winter

June, September and August are the most pleasant months in the Allentown-Bethlehem-Easton metro area, while January and February are the least comfortable months.

Climate	Allentown-Bethlehem-Easton, Pennsylvania	United States
	48.2 in.	38.1 in.
	31.8 in.	27.8 in.
	118.1 days	106.2 days
	206 days	205 days
	84.0°	85.8°
	17.7°	21.7°
	7	7
	3.7	4.3
	744 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 the Allentown-Bethlehem-Easton metro area with an average high temperature of 84.0°, which ranks it as warmer than most places in Pennsylvania. In the Allentown-Bethlehem-Easton metro area, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Allentown-Bethlehem-Easton metro area are June, September and August.

In the Allentown-Bethlehem-Easton metro area, 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 Allentown-Bethlehem-Easton metro area with an average of 17.7°. This is colder than most places in Pennsylvania.

In the Allentown-Bethlehem-Easton metro area, there are 134.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Pennsylvania.

In the Allentown-Bethlehem-Easton metro area, there are 3.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Pennsylvania.

The humidity is usually comfortable in the Allentown-Bethlehem-Easton metro area 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 Allentown-Bethlehem-Easton metro area with 4.8 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 48.2 inches in the Allentown-Bethlehem-Easton metro area means that it is one of the wettest places in Pennsylvania.

May is the rainiest month in the Allentown-Bethlehem-Easton metro area with 11.5 days of rain, and February is the driest month with only 8.5 rainy days. There are 118.1 rainy days annually in the Allentown-Bethlehem-Easton metro area, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 31.8 inches in the Allentown-Bethlehem-Easton metro area means that it is about average compared to other places in Pennsylvania. January is the snowiest month in the Allentown-Bethlehem-Easton metro area with 10.1 inches of snow, and 6 months of the year have significant snowfall.

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