Zip 15241 (Upper St. Clair, PA) Climate

15241 Upper St. Clair, PA has a humid continental climate with cold winters and hot summers. The average annual temperature is around 48°F and the average January low is around 22°F. Rainfall totals are around 40 inches annually. Snowfall totals vary from year-to-year but typically range between 20 and 30 inches per winter season. Spring is usually mild with sunny days starting to increase in March while autumn is long and cool with nights becoming cool earlier than other parts of the United States.

Upper St. Clair (zip 15241), Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Upper St. Clair (zip 15241) averages 30 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 Upper St. Clair (zip 15241). The US average is 205 sunny days.

Upper St. Clair (zip 15241) gets some kind of precipitation, on average, 147 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 20
Rain: averages 39 inches of rain a year
Snow: averages 30 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 15241 zip code is 6.9 (10=best), which means it is about average compared to other places in Pennsylvania.

9 Summer - 4.7 Winter

August, June and September are the most pleasant months in the 15241 zip code, while January and February are the least comfortable months.

Climate	Upper St. Clair, Pennsylvania	United States
	Unlock	38.1 in.
	30.4 in.	Unlock
	Unlock	106.2 days
	162 days	Unlock
	82.2°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	1134 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 15241 zip code with an average high temperature of 82.2°, which ranks it as cooler than most places in Pennsylvania. In the 15241 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 15241 zip code are June, August and September.

In the 15241 zip code, there are 5.7 days annually when the high temperature is over 90°, which is cooler than most places in Pennsylvania.

January has the coldest nighttime temperatures for the 15241 zip code with an average of 20.0°. This is warmer than most places in Pennsylvania.

In the 15241 zip code, there are 117.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In the 15241 zip code, there are 2.6 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 15241 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.

June is the wettest month in the 15241 zip code with 4.1 inches of rain, and the driest month is October with 2.4 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 38.8 inches in the 15241 zip code means that it is drier than most places in Pennsylvania.

January is the rainiest month in the 15241 zip code with 15.0 days of rain, and August is the driest month with only 9.6 rainy days. There are 147.2 rainy days annually in the 15241 zip code, 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 30.4 inches in the 15241 zip code means that it is about average compared to other places in Pennsylvania. January is the snowiest month in the 15241 zip code with 9.1 inches of snow, and 6 months of the year have significant snowfall.

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