Plattville, IL Climate


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Plattville, IL enjoys a temperate climate with warm, humid summers and cold winters. The average summer high temperatures reach the low to mid 80s while the winter lows can dip into the single digits. Rainfall is fairly consistent with an average of 4 inches per month during all months of the year. Snowfall in Plattville typically ranges from 10-20 inches per season. All four seasons are well-defined and mild weather patterns usually prevail throughout the year.

Plattville, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Plattville averages 29 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 189 sunny days per year in Plattville. The US average is 205 sunny days.

Plattville gets some kind of precipitation, on average, 122 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 15
Rain: averages 38 inches of rain a year
Snow: averages 29 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Plattville is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

8.9 Summer - 4.4 Winter
June, September and August are the most pleasant months in Plattville, while January and December are the least comfortable months.

  ClimatePlattville, IllinoisUnited States
  37.8 in.38.1 in.
  28.9 in.27.8 in.
  122.4 days106.2 days
  189 days205 days
  83.9°85.8°
  14.8°21.7°
  6.87
  3.44.3
  600 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 Plattville with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Plattville, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Plattville are June, September and August.
In Plattville, there are 11.1 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.
January has the coldest nighttime temperatures for Plattville with an average of 14.8°. This is colder than most places in Illinois.
In Plattville, there are 128.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.
In Plattville, there are 9.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.
The humidity is usually comfortable in Plattville 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.
July is the wettest month in Plattville with 4.4 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 37.8 inches in Plattville means that it is drier than most places in Illinois.
May is the rainiest month in Plattville with 12.4 days of rain, and September is the driest month with only 7.9 rainy days. There are 122.4 rainy days annually in Plattville, which is one of the rainiest places in Illinois. The rainiest season is Summer 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 28.9 inches in Plattville means that it is snowier than most places in Illinois. December is the snowiest month in Plattville with 9.1 inches of snow, and 6 months of the year have significant snowfall.
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