Blair County, PA Climate

Blair, PA County has a humid continental climate with hot and humid summers, cold and snowy winters, and mild spring and fall seasons. Summer temperatures typically range from the mid-60s to the low-80s Fahrenheit while winter temperatures range from the mid-20s to the mid-30s. Precipitation is fairly evenly distributed throughout the year with an average of 40 inches annually. Snowfall averages around 28 inches annually with heavier snowfalls occurring in January and February. It is important to dress accordingly for the weather all year round as temperature fluctuations can be extreme at times.

Blair County, Pennsylvania gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Blair County averages 32 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 193 sunny days per year in Blair County. The US average is 205 sunny days.

Blair County gets some kind of precipitation, on average, 140 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 40 inches of rain a year
Snow: averages 32 inches of snow a year

Bestplaces Comfort Index

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

9.2 Summer - 4.8 Winter

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

Climate	Blair, Pennsylvania	United States
	40.2 in.	38.1 in.
	31.8 in.	27.8 in.
	140.3 days	106.2 days
	193 days	205 days
	81.6°	85.8°
	18.5°	21.7°
	6.9	7
	3.6	4.3
	1519 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 Blair County with an average high temperature of 81.6°, which ranks it as cooler than most places in Pennsylvania. In Blair County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Blair County are June, August and July.

In Blair County, there are 5.0 days annually when the high temperature is over 90°, which is cooler than most places in Pennsylvania.

January has the coldest nighttime temperatures for Blair County with an average of 18.5°. This is about average compared to other places in Pennsylvania.

In Blair County, 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 Blair County, there are 2.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Pennsylvania.

Humidity in Blair County is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.

May is the wettest month in Blair County with 4.1 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 27% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 40.2 inches in Blair County means that it is drier than most places in Pennsylvania.

May is the rainiest month in Blair County with 13.6 days of rain, and August is the driest month with only 10.2 rainy days. There are 140.3 rainy days annually in Blair County, which is about average compared to other places in Pennsylvania. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 31.8 inches in Blair County means that it is about average compared to other places in Pennsylvania. January is the snowiest month in Blair County with 9.6 inches of snow, and 6 months of the year have significant snowfall.

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