Zip 17702 (South Williamsport, PA) Climate

The climate in 17702 South Williamsport, PA is generally mild throughout the year. During the summer months, temperatures reach the mid to upper 80s while in winter it rarely drops below freezing. Average annual precipitation is 37 inches and snowfall is around 31 inches per year. This makes for a temperate climate that allows for an abundance of outdoor activities all year round.

South Williamsport (zip 17702), Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

South Williamsport (zip 17702) averages 33 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 South Williamsport (zip 17702). The US average is 205 sunny days.

South Williamsport (zip 17702) gets some kind of precipitation, on average, 135 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 85 degrees
Winter Low: the January low is 20
Rain: averages 42 inches of rain a year
Snow: averages 33 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 17702 zip code is 7.0 (10=best), which means it is more comfortable than most places in Pennsylvania.

9.1 Summer - 4.9 Winter

August, July and June are the most pleasant months in the 17702 zip code, while January and February are the least comfortable months.

Climate	South Williamsport, Pennsylvania	United States
	Unlock	38.1 in.
	32.5 in.	Unlock
	Unlock	106.2 days
	177 days	Unlock
	84.5°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	664 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 17702 zip code with an average high temperature of 84.5°, which ranks it as warmer than most places in Pennsylvania. In the 17702 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 17702 zip code are June, September and August.

In the 17702 zip code, there are 14.0 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

January has the coldest nighttime temperatures for the 17702 zip code with an average of 19.5°. This is about average compared to other places in Pennsylvania.

In the 17702 zip code, there are 124.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Pennsylvania.

In the 17702 zip code, there are 1.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

Humidity in the 17702 zip code is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

September is the wettest month in the 17702 zip code with 4.2 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 41.8 inches in the 17702 zip code means that it is drier than most places in Pennsylvania.

May is the rainiest month in the 17702 zip code with 13.6 days of rain, and February is the driest month with only 9.2 rainy days. There are 134.5 rainy days annually in the 17702 zip code, 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 Spring with only a 23% chance of a rainy day.

An annual snowfall of 32.5 inches in the 17702 zip code means that it is about average compared to other places in Pennsylvania. January is the snowiest month in the 17702 zip code with 9.6 inches of snow, and 6 months of the year have significant snowfall.

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