Smithfield, PA Climate

Smithfield borough, PA has a temperate climate with hot, humid summers and mild winters. The average summer temperature is around 78°F (25.5°C) and the average winter temperature is around 29°F (-1.6°C). Precipitation is evenly distributed throughout the year with an average annual total of 36 inches (91 cm). Snowfall averages 20 inches (51 cm) per year and generally occurs in December and January.

Smithfield, Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Smithfield averages 24 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 157 sunny days per year in Smithfield. The US average is 205 sunny days.

Smithfield gets some kind of precipitation, on average, 150 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 24 inches of snow a year

Bestplaces Comfort Index

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

8.8 Summer - 5 Winter

September, June and August are the most pleasant months in Smithfield borough, while January and February are the least comfortable months.

Climate	Smithfield, Pennsylvania	United States
	Unlock	38.1 in.
	23.7 in.	Unlock
	Unlock	106.2 days
	157 days	Unlock
	84.9°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	1089 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 Smithfield borough with an average high temperature of 84.9°, which ranks it as warmer than most places in Pennsylvania. In Smithfield borough, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Smithfield borough are September, June and May.

In Smithfield borough, there are 16.9 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

January has the coldest nighttime temperatures for Smithfield borough with an average of 19.9°. This is warmer than most places in Pennsylvania.

In Smithfield borough, there are 127.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Pennsylvania.

In Smithfield borough, 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 Smithfield borough 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.

May is the wettest month in Smithfield borough with 4.5 inches of rain, and the driest month is February with 2.6 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 42.0 inches in Smithfield borough means that it is drier than most places in Pennsylvania.

January is the rainiest month in Smithfield borough with 15.7 days of rain, and September is the driest month with only 9.7 rainy days. There are 149.7 rainy days annually in Smithfield borough, which is rainier than most places in Pennsylvania. The rainiest season is Spring when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 23.7 inches in Smithfield borough means that it is less snowy than most places in Pennsylvania. January is the snowiest month in Smithfield borough with 7.9 inches of snow, and 6 months of the year have significant snowfall.

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