2025 Compare Climate & Weather:
Chicago, IL vs Olathe, KS

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Highlights

On average, there are 217 sunny days per year in Olathe. Chicago averages 189 sunny days per year. The US average is 205 sunny days.

Olathe, Kansas gets 40.9 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.

Olathe averages 13.2 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

Olathe, Kansas
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 20.3
Rain: averages 40.9 inches of rain a year
Snow: averages 13.2 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
Olathe

The annual BestPlaces Comfort Index for Olathe is 7.3 (10=best), which means it is more comfortable than most places in Kansas.

7.3 / 10
September, May and June are the most pleasant months in Olathe, 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

5 PM PST

Mostly Cloudy

46°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightMostly Cloudy43° / 50°N 15 to 20 mph
Saturday NightMostly Clear40° / 63°NE 5 to 10 mph
Sunday NightPartly Cloudy then Slight Chance Rain Showers52° / 77°SSE 5 to 10 mph
Monday NightShowers And Thunderstorms Likely66° / 77°SSW 15 to 20 mph
Tuesday NightChance Showers And Thunderstorms45° / 56°NNW 10 to 15 mph
Wednesday NightMostly Cloudy then Chance Rain Showers46° / 61°ENE 5 to 10 mph
Thursday NightChance Rain Showers48° / 63°NW 5 to 10 mph
Today's Weather - Olathe, KS

5 PM PST

Mostly Cloudy

65°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightMostly Cloudy52° / 65°NNE 9 mph
Saturday NightRain Showers Likely56° / 72°ESE 10 mph
Sunday NightSlight Chance Showers And Thunderstorms65° / 82°SSE 14 mph
Monday NightChance Showers And Thunderstorms60° / 71°SW 12 to 18 mph
Tuesday NightSlight Chance Showers And Thunderstorms53° / 69°NNE 8 mph
Wednesday NightChance Showers And Thunderstorms56° / 72°E 7 mph
Thursday NightSlight Chance Showers And Thunderstorms53° / 73°NNW 8 mph
Average Monthly High / Low (°F)
MonthChicago, ILOlathe, KS
January32° / 19°39° / 20°
February37° / 23°44° / 24°
March47° / 31°55° / 33°
April58° / 41°65° / 44°
May69° / 51°75° / 55°
June79° / 61°83° / 64°
July84° / 68°88° / 69°
August82° / 67°88° / 67°
September75° / 59°79° / 58°
October63° / 47°67° / 47°
November49° / 36°54° / 34°
December36° / 24°41° / 23°
Hot, Freezing, Rainy, Snowy Days: Chicago / Olathe
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 027 / 2710 / 57 / 2
February0 / 023 / 228 / 55 / 2
March0 / 017 / 1411 / 74 / 1
April0 / 03 / 311 / 91 / 0
May1 / 00 / 012 / 110 / 0
June3 / 40 / 010 / 100 / 0
July6 / 120 / 010 / 80 / 0
August4 / 120 / 010 / 80 / 0
September1 / 30 / 09 / 80 / 0
October0 / 01 / 210 / 80 / 0
November0 / 010 / 1311 / 62 / 1
December0 / 024 / 2611 / 66 / 2
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 Olathe with an average high temperature of 88.1°, which ranks it as one of the coolest places in Kansas. In Olathe, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Olathe are September, May and June.
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 Olathe with an average of 20.3°. This is warmer than most places in Kansas.

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

In Olathe, there are 30.3 days annually when the high temperature is over 90°, which is one of the coolest places in Kansas.

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 Olathe, there are 105.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kansas.

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 Olathe, there are 2.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Kansas.

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 Olathe with 5.9 inches of rain, and the driest month is January with 1.2 inches. The wettest season is Autumn with 34% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 40.9 inches in Olathe means that it is wetter than most places in Kansas.

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 Olathe with 10.9 days of rain, and January is the driest month with only 4.9 rainy days. There are 90.0 rainy days annually in Olathe, which is rainier than most places in Kansas. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 17% 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 13.2 inches in Olathe means that it is less snowy than most places in Kansas.
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 Olathe with 4.0 inches of snow, and 5 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 Olathe    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 Olathe

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Zips In Chicago, Illinois
60629, 60618, 60632, 60639, 60623, 60647, 60617, 60625, 60608, 60634, 56 total
Zips In OLATHE, KANSAS
66062, 66061
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