Jefferson township (Mercer County), PA Climate


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The climate in Jefferson Township (Mercer County), PA is generally mild, with average summer temperatures around 75°F and average winter temperatures of around 30°F. Winters are usually cold and snowy, although the amount of snowfall can vary year to year. Summers can be hot and humid, with occasional thunderstorms during the warmer months. Spring is usually mild with mostly pleasant weather and autumn brings crisp cool days with colorful foliage. Overall, the climate in Jefferson Township (Mercer County), PA is temperate and enjoyable for most of the year.

Jefferson township (Mercer County), Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Jefferson township (Mercer County) averages 47 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 160 sunny days per year in Jefferson township (Mercer County). The US average is 205 sunny days.

Jefferson township (Mercer County) gets some kind of precipitation, on average, 155 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 17
Rain: averages 42 inches of rain a year
Snow: averages 47 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Jefferson township (Mercer County) is 6.7 (10=best), which means it is less comfortable than most places in Pennsylvania.

9 Summer - 4.3 Winter
August, July and June are the most pleasant months in Jefferson township (Mercer County), while January and December are the least comfortable months.

  ClimateJefferson township (Mercer County), PennsylvaniaUnited States
  41.5 in.38.1 in.
  47.4 in.27.8 in.
  155.4 days106.2 days
  160 days205 days
  82.4°85.8°
  16.8°21.7°
  6.77
  3.34.3
  1234 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 Jefferson township (Mercer County) with an average high temperature of 82.4°, which ranks it as cooler than most places in Pennsylvania. In Jefferson township (Mercer County), there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jefferson township (Mercer County) are June, August and September.
In Jefferson township (Mercer County), there are 7.0 days annually when the high temperature is over 90°, which is cooler than most places in Pennsylvania.
January has the coldest nighttime temperatures for Jefferson township (Mercer County) with an average of 16.8°. This is colder than most places in Pennsylvania.
In Jefferson township (Mercer County), there are 141.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Pennsylvania.
In Jefferson township (Mercer County), there are 6.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.
Humidity in Jefferson township (Mercer County) 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 Jefferson township (Mercer County) with 4.4 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 30% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 41.5 inches in Jefferson township (Mercer County) means that it is drier than most places in Pennsylvania.
December is the rainiest month in Jefferson township (Mercer County) with 15.3 days of rain, and August is the driest month with only 10.2 rainy days. There are 155.4 rainy days annually in Jefferson township (Mercer County), which is rainier than most places in Pennsylvania. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 22% chance of a rainy day.
An annual snowfall of 47.4 inches in Jefferson township (Mercer County) means that it is snowier than most places in Pennsylvania. January is the snowiest month in Jefferson township (Mercer County) with 13.2 inches of snow, and 6 months of the year have significant snowfall.
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