2025 Compare Climate & Weather:
Chicago, IL vs Round Lake Beach, IL

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Highlights

On average, there are 188 sunny days per year in Round Lake Beach. Chicago averages 189 sunny days per year. The US average is 205 sunny days.

Round Lake Beach, Illinois gets 36.7 inches of rain, on average, per year. Chicago, Illinois gets 38.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Round Lake Beach averages 43.2 inches of snow per year. Chicago averages 35.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Round Lake Beach, Illinois
Summer High: the July high is around 82.2 degrees
Winter Low: the January low is 13.9
Rain: averages 36.7 inches of rain a year
Snow: averages 43.2 inches of snow a year

Chicago, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 19.2
Rain: averages 38.2 inches of rain a year
Snow: averages 35.1 inches of snow a year

BestPlaces Comfort Index
Round Lake Beach

The annual BestPlaces Comfort Index for Round Lake Beach is 6.7 (10=best), which means it is one of the least comfortable places in Illinois.

6.7 / 10
June, September and August are the most pleasant months in Round Lake Beach, while January and December are the least comfortable months.

Chicago

The annual BestPlaces Comfort Index for Chicago 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 Chicago, while January and December are the least comfortable months.

Today's Weather - Chicago, IL

4 AM PST

Rain Showers Likely

43°F

DAYDESCRIPTIONHIGH / LOWWIND
TodayRain Showers Likely52° / 46°NNE 10 to 15 mph
MondayChance Rain Showers55° / 47°NNE 10 to 15 mph
TuesdayMostly Sunny66° / 52°NNW 5 mph
WednesdayPartly Sunny64° / 48°N 5 to 10 mph
ThursdayMostly Sunny58° / 47°NE 10 to 15 mph
FridaySunny61° / 48°NE 10 mph
SaturdayMostly Sunny67° / 52°NNE 5 to 10 mph
Today's Weather - Round Lake Beach, IL

4 AM PST

Partly Sunny then Chance Rain Showers

40°F

DAYDESCRIPTIONHIGH / LOWWIND
TodayPartly Sunny then Chance Rain Showers59° / 45°NNE 5 to 15 mph
MondayChance Rain Showers56° / 43°NE 10 mph
TuesdayMostly Sunny70° / 50°NW 5 mph
WednesdayPartly Sunny66° / 45°NNE 0 to 15 mph
ThursdayMostly Sunny60° / 41°NE 10 to 15 mph
FridaySunny66° / 44°ENE 5 to 10 mph
SaturdayMostly Sunny72° / 47°N 5 to 10 mph
Average Monthly High / Low (°F)
MonthChicago, ILRound Lake Beach, IL
January32° / 19°29° / 14°
February37° / 23°33° / 17°
March47° / 31°44° / 27°
April58° / 41°57° / 37°
May69° / 51°68° / 47°
June79° / 61°78° / 58°
July84° / 68°82° / 63°
August82° / 67°81° / 61°
September75° / 59°73° / 53°
October63° / 47°61° / 42°
November49° / 36°47° / 31°
December36° / 24°33° / 18°
Hot, Freezing, Rainy, Snowy Days: Chicago / Round Lake Beach
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 027 / 2910 / 107 / 8
February0 / 023 / 268 / 95 / 6
March0 / 017 / 2311 / 104 / 4
April0 / 03 / 811 / 111 / 1
May1 / 00 / 112 / 120 / 0
June3 / 20 / 010 / 110 / 0
July6 / 40 / 010 / 100 / 0
August4 / 20 / 010 / 100 / 0
September1 / 00 / 09 / 90 / 0
October0 / 01 / 410 / 100 / 0
November0 / 010 / 1611 / 102 / 2
December0 / 024 / 2811 / 106 / 7
July is the hottest month for Chicago with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Chicago, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chicago are June, September and August.

July is the hottest month for Round Lake Beach with an average high temperature of 82.2°, which ranks it as one of the coolest places in Illinois. In Round Lake Beach, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Round Lake Beach are June, August and July.
January has the coldest nighttime temperatures for Chicago with an average of 19.2°. This is warmer than most places in Illinois.

January has the coldest nighttime temperatures for Round Lake Beach with an average of 13.9°. This is colder than most places in Illinois.

In Chicago, there are 13.6 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Round Lake Beach, there are 8.0 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Chicago, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Round Lake Beach, there are 134.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Chicago, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

In Round Lake Beach, there are 10.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

August is the wettest month in Chicago with 4.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.2 inches in Chicago means that it is drier than most places in Illinois.


June is the wettest month in Round Lake Beach with 4.2 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 33% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 36.7 inches in Round Lake Beach means that it is drier than most places in Illinois.

May is the rainiest month in Chicago with 11.5 days of rain, and February is the driest month with only 8.4 rainy days. There are 124.8 rainy days annually in Chicago, 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 Spring with only a 24% chance of a rainy day.

May is the rainiest month in Round Lake Beach with 12.3 days of rain, and September is the driest month with only 8.7 rainy days. There are 121.0 rainy days annually in Round Lake Beach, which is rainier than most 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 35.1 inches in Chicago means that it is one of the snowiest places in Illinois.

An annual snowfall of 43.2 inches in Round Lake Beach means that it is one of the snowiest places in Illinois.
January is the snowiest month in Chicago with 11.0 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Round Lake Beach with 12.9 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Chicago    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Chicago

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Reviews for Round Lake Beach    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Round Lake Beach

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Zips In Chicago, Illinois
60629, 60618, 60632, 60639, 60623, 60647, 60617, 60625, 60608, 60634, 56 total
Zips In ROUND LAKE BEACH, ILLINOIS
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