Zip 17821 (Danville, PA) Climate

17821 Danville, PA experiences a humid continental climate with warm summers and cold winters. The average temperature in the summer months ranges from 65-85 degrees Fahrenheit and in the winter months it can get as low as 20 degrees Fahrenheit. The area receives an average of 36 inches of precipitation per year, primarily during the spring and summer months. Snowfall is common in the winter months, but usually does not exceed 10 inches. This area has four distinct seasons: spring, summer, fall, and winter.

Danville (zip 17821), Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Danville (zip 17821) averages 31 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 177 sunny days per year in Danville (zip 17821). The US average is 205 sunny days.

Danville (zip 17821) gets some kind of precipitation, on average, 124 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 83 degrees
Winter Low: the January low is 18
Rain: averages 42 inches of rain a year
Snow: averages 31 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 17821 zip code is 7.0 (10=best), which means it is more comfortable than most places in Pennsylvania.

9 Summer - 4.9 Winter

June, August and July are the most pleasant months in the 17821 zip code, while January and February are the least comfortable months.

Climate	Danville, Pennsylvania	United States
	Unlock	38.1 in.
	31.0 in.	Unlock
	Unlock	106.2 days
	177 days	Unlock
	83.2°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	538 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 17821 zip code with an average high temperature of 83.2°, which ranks it as about average compared to other places in Pennsylvania. In the 17821 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 17821 zip code are June, August and September.

In the 17821 zip code, there are 8.0 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 17821 zip code with an average of 17.8°. This is colder than most places in Pennsylvania.

In the 17821 zip code, there are 134.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Pennsylvania.

In the 17821 zip code, there are 2.2 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 17821 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 17821 zip code with 4.3 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Autumn with 28% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 42.3 inches in the 17821 zip code means that it is about average compared to other places in Pennsylvania.

May is the rainiest month in the 17821 zip code with 12.3 days of rain, and February is the driest month with only 8.2 rainy days. There are 123.8 rainy days annually in the 17821 zip code, 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 Spring with only a 22% chance of a rainy day.

An annual snowfall of 31.0 inches in the 17821 zip code means that it is about average compared to other places in Pennsylvania. January is the snowiest month in the 17821 zip code with 10.5 inches of snow, and 6 months of the year have significant snowfall.

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