Oak Forest, Illinois 

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Climate in Oak Forest, Illinois

Oak Forest, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Oak Forest averages 31 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 188 sunny days per year in Oak Forest. The US average is 205 sunny days.

Oak Forest gets some kind of precipitation, on average, 123 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 18
Rain: averages 39 inches of rain a year
Snow: averages 31 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Oak Forest is 7.0 (10=best), which means it is about average compared to other places in Illinois.

7 / 10
September, June and August are the most pleasant months in Oak Forest, while January and December are the least comfortable months.

Climate Averages
  Oak Forest, IllinoisUnited States
  39.1 in.38.1 in.
  31.3 in.27.8 in.
  123.1 days106.2 days
  188 days205 days
  84.1°85.8°
  18.1°21.7°
  77
  3.64.3
  673 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 Oak Forest with an average high temperature of 84.1°, which ranks it as cooler than most places in Illinois. In Oak Forest, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oak Forest are June, September and August.


January has the coldest nighttime temperatures for Oak Forest with an average of 18.1°. This is warmer than most places in Illinois.


In Oak Forest, there are 15.2 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.


In Oak Forest, there are 108.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.


In Oak Forest, there are 5.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.


August is the wettest month in Oak Forest with 4.4 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 39.1 inches in Oak Forest means that it is about average compared to other places in Illinois.


May is the rainiest month in Oak Forest with 12.0 days of rain, and February is the driest month with only 8.4 rainy days. There are 123.1 rainy days annually in Oak Forest, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 24% chance of a rainy day.


An annual snowfall of 31.3 inches in Oak Forest means that it is snowier than most places in Illinois. January is the snowiest month in Oak Forest with 10.0 inches of snow, and 6 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Oak Forest    1 Reviews
    Schools - 2/8/2012
    We moved here originally from Chicago to find good schools. We have not been disappointed. The housing is less expensive than the surrounding areas but the schools are... Read More

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