Zip 15909 (Johnstown, PA) Climate

Johnstown, PA has a humid continental climate, which is characterized by cold winters and warm summers. During the winter months, temperatures can drop to as low as 18°F and snowfall is common. Summer temperatures average around 80°F, making it an ideal place for outdoor activities. The area receives plentiful rainfall throughout the year with April being the wettest month. Johnstown also experiences frequent thunderstorms in the warmer months of June through August which can bring heavy rain and high winds.

Johnstown (zip 15909), Pennsylvania gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Johnstown (zip 15909) averages 68 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 161 sunny days per year in Johnstown (zip 15909). The US average is 205 sunny days.

Johnstown (zip 15909) gets some kind of precipitation, on average, 176 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 18
Rain: averages 48 inches of rain a year
Snow: averages 68 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 15909 zip code is 6.5 (10=best), which means it is less comfortable than most places in Pennsylvania.

8.9 Summer - 4 Winter

August, July and June are the most pleasant months in the 15909 zip code, while January and February are the least comfortable months.

Climate	Johnstown, Pennsylvania	United States
	Unlock	38.1 in.
	68.0 in.	Unlock
	Unlock	106.2 days
	161 days	Unlock
	82.4°	85.8°
	Unlock	21.7°
	6.5	Unlock
	Unlock	4.3
	1611 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 15909 zip code with an average high temperature of 82.4°, which ranks it as cooler than most places in Pennsylvania. In the 15909 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 15909 zip code are June, August and September.

In the 15909 zip code, there are 9.3 days annually when the high temperature is over 90°, which is about average compared to other places in Pennsylvania.

January has the coldest nighttime temperatures for the 15909 zip code with an average of 17.9°. This is colder than most places in Pennsylvania.

In the 15909 zip code, there are 137.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Pennsylvania.

In the 15909 zip code, there are 5.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

Humidity in the 15909 zip code 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.

July is the wettest month in the 15909 zip code with 4.9 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.8 inches in the 15909 zip code means that it is one of the wettest places in Pennsylvania.

January is the rainiest month in the 15909 zip code with 19.1 days of rain, and August is the driest month with only 11.5 rainy days. There are 176.3 rainy days annually in the 15909 zip code, which is one of the rainiest places in Pennsylvania. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 68.0 inches in the 15909 zip code means that it is one of the snowiest places in Pennsylvania. January is the snowiest month in the 15909 zip code with 19.3 inches of snow, and 6 months of the year have significant snowfall.

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