Petersburg, PA Climate


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Petersburg, PA has a humid continental climate, characterized by hot and humid summers and cold winters. Summers are usually quite warm, with temperatures reaching into the mid 80s on average. Winters in Petersburg are typically cold, with temperatures dropping as low as the single digits at times. Precipitation is fairly consistent throughout the year, averaging about 44 inches annually. Snowfall can also be significant in this part of Pennsylvania, with an average around 31 inches per year.

Petersburg, Pennsylvania gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 197 sunny days per year in Petersburg. The US average is 205 sunny days.

Petersburg gets some kind of precipitation, on average, 134 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 19
Rain: averages 40 inches of rain a year
Snow: averages 28 inches of snow a year


Bestplaces Comfort Index

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

9.1 Summer - 5 Winter
August, June and July are the most pleasant months in Petersburg, while January and February are the least comfortable months.

  ClimatePetersburg, PennsylvaniaUnited States
    Unlock38.1 in.
  28.3 in.  Unlock
    Unlock106.2 days
  197 days  Unlock
  83.1°85.8°
    Unlock21.7°
  7  Unlock
    Unlock4.3
  735 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 Petersburg with an average high temperature of 83.1°, which ranks it as about average compared to other places in Pennsylvania. In Petersburg, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Petersburg are June, September and August.
In Petersburg, 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 Petersburg with an average of 19.1°. This is about average compared to other places in Pennsylvania.
In Petersburg, there are 127.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Pennsylvania.
In Petersburg, there are 2.3 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 Petersburg 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 Petersburg with 4.0 inches of rain, and the driest month is February with 2.4 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 40.0 inches in Petersburg means that it is drier than most places in Pennsylvania.
May is the rainiest month in Petersburg with 13.4 days of rain, and February is the driest month with only 9.8 rainy days. There are 133.6 rainy days annually in Petersburg, 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 24% chance of a rainy day.
An annual snowfall of 28.3 inches in Petersburg means that it is about average compared to other places in Pennsylvania. January is the snowiest month in Petersburg with 9.0 inches of snow, and 5 months of the year have significant snowfall.
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