Zip 15301 (Washington, PA) Climate

15301 Washington, PA has a humid continental climate with cold winters and warm summers. Average high temperatures in the summer can reach up to 81 degrees Fahrenheit and average low temperatures in the winter can dip down to 22 degrees Fahrenheit. Precipitation is spread out evenly throughout the year and snowfall averages around 28 inches annually. Due to its location in the Midwest, 15301 Washington, PA experiences four distinct seasons that bring about changes in temperature, precipitation, and other weather conditions.

Washington (zip 15301), Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Washington (zip 15301) averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 162 sunny days per year in Washington (zip 15301). The US average is 205 sunny days.

Washington (zip 15301) gets some kind of precipitation, on average, 148 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 82 degrees
Winter Low: the January low is 19
Rain: averages 39 inches of rain a year
Snow: averages 33 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Washington is 6.9 (10=best), which means it is about average compared to other places in Pennsylvania.

9.1 Summer - 4.7 Winter

August, June and July are the most pleasant months in Washington, while January and February are the least comfortable months.

Climate	Washington, Pennsylvania	United States
	Unlock	38.1 in.
	32.8 in.	Unlock
	Unlock	106.2 days
	162 days	Unlock
	82.3°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	1100 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 Washington with an average high temperature of 82.3°, which ranks it as cooler than most places in Pennsylvania. In Washington, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Washington are June, September and August.

In Washington, there are 5.5 days annually when the high temperature is over 90°, which is cooler than most places in Pennsylvania.

January has the coldest nighttime temperatures for Washington with an average of 18.9°. This is about average compared to other places in Pennsylvania.

In Washington, there are 128.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Pennsylvania.

In Washington, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

The humidity is usually comfortable in Washington but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.

May is the wettest month in Washington with 4.2 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 30% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 39.1 inches in Washington means that it is drier than most places in Pennsylvania.

January is the rainiest month in Washington with 15.0 days of rain, and September is the driest month with only 9.8 rainy days. There are 148.2 rainy days annually in Washington, which is rainier than most places in Pennsylvania. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 22% chance of a rainy day.

An annual snowfall of 32.8 inches in Washington means that it is snowier than most places in Pennsylvania. January is the snowiest month in Washington with 10.0 inches of snow, and 6 months of the year have significant snowfall.

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