Zip 17261 (South Mountain, PA) Climate

17261 South Mountain, PA has a humid continental climate with warm to hot and humid summers, and cold to very cold winters. The average annual temperature in this area is approximately 54°F, with the temperatures reaching highs of around 90°F during the summer months and lows of around 22°F during the winter. The annual snowfall averages around 27 inches and rainfall averages around 41 inches per year. This area also experiences frequent thunderstorms during the warmer months of the year, leading to more frequent rain showers and occasional flooding.

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 17261 zip code is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

9 Summer - 5.3 Winter

June, September and August are the most pleasant months in the 17261 zip code, while January and February are the least comfortable months.

Climate	South Mountain, Pennsylvania	United States
	43.6 in.	38.1 in.
	28.5 in.	27.8 in.
	120.4 days	106.2 days
	196 days	205 days
	85.3°	85.8°
	22.3°	21.7°
	7.2	7
	4	4.3
	876 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 the 17261 zip code with an average high temperature of 85.3°, which ranks it as warmer than most places in Pennsylvania. In the 17261 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 17261 zip code are September, June and August.

In the 17261 zip code, there are 14.6 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 17261 zip code with an average of 22.3°. This is one of the warmest places in Pennsylvania.

In the 17261 zip code, there are 105.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Pennsylvania.

In the 17261 zip code, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

The humidity is usually comfortable in the 17261 zip code but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.

May is the wettest month in the 17261 zip code with 4.4 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 43.6 inches in the 17261 zip code means that it is about average compared to other places in Pennsylvania.

May is the rainiest month in the 17261 zip code with 12.6 days of rain, and October is the driest month with only 8.7 rainy days. There are 120.4 rainy days annually in the 17261 zip code, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 28.5 inches in the 17261 zip code means that it is about average compared to other places in Pennsylvania. January is the snowiest month in the 17261 zip code with 9.7 inches of snow, and 6 months of the year have significant snowfall.

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Zip 17261 (South Mountain, PA) Climate

Bestplaces Comfort Index

9 Summer - 5.3 Winter

Climate

YOU SHOULD KNOW

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