Allison CDP (Fayette County), PA Climate


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United States / Pennsylvania / Pittsburgh Metro Area / Fayette County / Allison CDP (Fayette County) / Zip Codes
Allison, PA has a humid continental climate with warm and humid summers and cold winters. The average temperature in the summer months hovers around 73°F while the winter months average around 33°F. Precipitation is spread throughout the year with an average of 43 inches per year, making Allison relatively wet. Snowfall is common in the winter months, ranging from 22-25 inches annually. Wind speeds are generally moderate, averaging around 10 mph on any given day.

Allison CDP (Fayette County), Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Allison CDP (Fayette County) averages 25 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 Allison CDP (Fayette County). The US average is 205 sunny days.

Allison CDP (Fayette County) gets some kind of precipitation, on average, 156 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 84 degrees
Winter Low: the January low is 20
Rain: averages 42 inches of rain a year
Snow: averages 25 inches of snow a year

Bestplaces Comfort Index

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

8.9 Summer - 4.9 Winter
August, June and September are the most pleasant months in Allison, while January and February are the least comfortable months.

  ClimateAllison CDP (Fayette County), PennsylvaniaUnited States
    Unlock38.1 in.
  25.4 in.  Unlock
    Unlock106.2 days
  160 days  Unlock
  83.9°85.8°
    Unlock21.7°
  7  Unlock
    Unlock4.3
  1086 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 Allison with an average high temperature of 83.9°, which ranks it as warmer than most places in Pennsylvania. In Allison, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Allison are September, June and August.
In Allison, there are 9.9 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 Allison with an average of 20.2°. This is warmer than most places in Pennsylvania.
In Allison, 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 Allison, there are 3.0 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 Allison 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 Allison with 4.5 inches of rain, and the driest month is February with 2.7 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 42.2 inches in Allison means that it is about average compared to other places in Pennsylvania.
January is the rainiest month in Allison with 15.5 days of rain, and September is the driest month with only 10.4 rainy days. There are 155.6 rainy days annually in Allison, 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 25.4 inches in Allison means that it is less snowy than most places in Pennsylvania. January is the snowiest month in Allison with 8.6 inches of snow, and 6 months of the year have significant snowfall.
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