LaPlace, IL Climate

LaPlace, IL has a humid continental climate with warm summers and cold winters. The temperature in the summer months is usually between 75-90 degrees Fahrenheit (24-32 degrees Celsius). Winters are much colder, typically ranging from 20-30 degrees Fahrenheit (-7 to -1 degree Celsius). The average precipitation throughout the year is approximately 36 inches (91 cm). Snowfall in LaPlace is moderate, totaling around 17 inches (43 cm) annually. Overall, LaPlace has a mild climate with four distinct seasons.

LaPlace, Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

LaPlace averages 12 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 196 sunny days per year in LaPlace. The US average is 205 sunny days.

LaPlace gets some kind of precipitation, on average, 102 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 86 degrees
Winter Low: the January low is 19
Rain: averages 40 inches of rain a year
Snow: averages 12 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for LaPlace is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

8.4 Summer - 5.3 Winter

September, June and May are the most pleasant months in LaPlace, while January and December are the least comfortable months.

Climate	LaPlace, Illinois	United States
	Unlock	38.1 in.
	11.8 in.	Unlock
	Unlock	106.2 days
	196 days	Unlock
	86.4°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	699 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 LaPlace with an average high temperature of 86.4°, which ranks it as warmer than most places in Illinois. In LaPlace, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for LaPlace are September, May and June.

In LaPlace, there are 21.2 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.

January has the coldest nighttime temperatures for LaPlace with an average of 18.8°. This is warmer than most places in Illinois.

In LaPlace, there are 115.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In LaPlace, there are 3.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

The humidity can be uncomfortably heavy or close in LaPlace during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in LaPlace.

May is the wettest month in LaPlace with 4.6 inches of rain, and the driest month is January with 1.9 inches. The wettest season is Autumn with 30% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 40.0 inches in LaPlace means that it is wetter than most places in Illinois.

May is the rainiest month in LaPlace with 11.6 days of rain, and September is the driest month with only 6.7 rainy days. There are 102.0 rainy days annually in LaPlace, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 11.8 inches in LaPlace means that it is less snowy than most places in Illinois. January is the snowiest month in LaPlace with 4.7 inches of snow, and 4 months of the year have significant snowfall.

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