Zip 60305 (River Forest, IL) Climate

The climate in 60305 River Forest, IL is generally mild and pleasant throughout the year. In the summer months, temperatures generally range from the mid-70s to the mid-80s Fahrenheit with occasional heat waves. During winter months, temperatures rarely dip below freezing and usually stay in the upper 30s and 40s Fahrenheit. Rainfall is evenly distributed throughout the year and snowfall is light but not unheard of. Overall, River Forest has a comfortable climate that allows for outdoor activities all year long.

River Forest (zip 60305), Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

River Forest (zip 60305) averages 37 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 River Forest (zip 60305). The US average is 205 sunny days.

River Forest (zip 60305) gets some kind of precipitation, on average, 125 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 38 inches of rain a year
Snow: averages 37 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 60305 zip code is 6.9 (10=best), which means it is less comfortable than most places in Illinois.

9 Summer - 4.6 Winter

September, June and August are the most pleasant months in the 60305 zip code, while January and December are the least comfortable months.

Climate	River Forest, Illinois	United States
	38.3 in.	38.1 in.
	37.2 in.	27.8 in.
	125.1 days	106.2 days
	189 days	205 days
	83.9°	85.8°
	18.2°	21.7°
	6.9	7
	3.6	4.3
	622 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 the 60305 zip code with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In the 60305 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 60305 zip code are June, September and August.

In the 60305 zip code, there are 12.4 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

January has the coldest nighttime temperatures for the 60305 zip code with an average of 18.2°. This is warmer than most places in Illinois.

In the 60305 zip code, there are 110.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the 60305 zip code, there are 4.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

The humidity is usually comfortable in the 60305 zip code 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.

August is the wettest month in the 60305 zip code with 4.5 inches of rain, and the driest month is January with 1.9 inches. The wettest season is Autumn with 31% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 38.3 inches in the 60305 zip code means that it is drier than most places in Illinois.

April is the rainiest month in the 60305 zip code with 11.7 days of rain, and February is the driest month with only 8.6 rainy days. There are 125.1 rainy days annually in the 60305 zip code, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Autumn with only a 24% chance of a rainy day.

An annual snowfall of 37.2 inches in the 60305 zip code means that it is one of the snowiest places in Illinois. January is the snowiest month in the 60305 zip code with 11.4 inches of snow, and 6 months of the year have significant snowfall.

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