Zip 62277 (Prairie Du Rocher, IL) Climate

The climate in 62277 Prairie Du Rocher, IL is generally mild and temperate. The average annual temperature is 61 degrees Fahrenheit, with an average high of 73 degrees Fahrenheit in the summer months and an average low of 47 degrees Fahrenheit during the winter months. Precipitation levels are relatively average, with about 40 inches of rain falling annually across the area. Winters tend to be wetter than summers, and temperatures occasionally dip below freezing overnight. Overall, the climate in 62277 Prairie Du Rocher, IL is comfortable and pleasant all year round.

Prairie Du Rocher (zip 62277), Illinois gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Prairie Du Rocher (zip 62277) averages 9 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Prairie Du Rocher (zip 62277). The US average is 205 sunny days.

Prairie Du Rocher (zip 62277) gets some kind of precipitation, on average, 95 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 89 degrees
Winter Low: the January low is 22
Rain: averages 43 inches of rain a year
Snow: averages 9 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 62277 zip code is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

7.4 Summer - 5.7 Winter

September, May and October are the most pleasant months in the 62277 zip code, while January and December are the least comfortable months.

Climate	Prairie Du Rocher, Illinois	United States
	Unlock	38.1 in.
	9.1 in.	Unlock
	Unlock	106.2 days
	202 days	Unlock
	88.9°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	495 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 the 62277 zip code with an average high temperature of 88.9°, which ranks it as one of the hottest places in Illinois. In the 62277 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 62277 zip code are May, September and June.

In the 62277 zip code, there are 37.4 days annually when the high temperature is over 90°, which is one of the hottest places in Illinois.

January has the coldest nighttime temperatures for the 62277 zip code with an average of 21.8°. This is warmer than most places in Illinois.

In the 62277 zip code, there are 103.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the 62277 zip code, there are 2.4 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 the 62277 zip code 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 the 62277 zip code.

May is the wettest month in the 62277 zip code with 5.1 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.6 inches in the 62277 zip code means that it is wetter than most places in Illinois.

May is the rainiest month in the 62277 zip code with 10.7 days of rain, and January is the driest month with only 6.0 rainy days. There are 95.3 rainy days annually in the 62277 zip code, which is one of the least rainy places in Illinois. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 9.1 inches in the 62277 zip code means that it is one of the least snowy places in Illinois. February is the snowiest month in the 62277 zip code with 3.0 inches of snow, and 4 months of the year have significant snowfall.

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