The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Lemont, IL vs Stillman Valley, IL

2025 Compare Climate & Weather:
Lemont, IL vs Stillman Valley, IL

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Highlights

On average, there are 188 sunny days per year in Stillman Valley. Lemont averages 187 sunny days per year. The US average is 205 sunny days.

Stillman Valley, Illinois gets 36.3 inches of rain, on average, per year. Lemont, Illinois gets 39.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Stillman Valley averages 32 inches of snow per year. Lemont averages 29.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Stillman Valley, Illinois
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 12.3
Rain: averages 36.3 inches of rain a year
Snow: averages 32 inches of snow a year

Lemont, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 15.1
Rain: averages 39.4 inches of rain a year
Snow: averages 29.9 inches of snow a year

BestPlaces Comfort Index
Stillman Valley

The annual BestPlaces Comfort Index for Stillman Valley is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

6.8 / 10
June, September and August are the most pleasant months in Stillman Valley, while January and December are the least comfortable months.

Lemont

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

6.9 / 10
June, September and August are the most pleasant months in Lemont, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthLemont, ILStillman Valley, IL
January31° / 15°29° / 12°
February36° / 18°33° / 17°
March47° / 27°46° / 27°
April60° / 38°60° / 38°
May70° / 48°71° / 48°
June80° / 59°80° / 58°
July84° / 63°83° / 62°
August82° / 61°82° / 61°
September75° / 52°75° / 52°
October63° / 41°62° / 40°
November49° / 30°47° / 30°
December35° / 19°33° / 17°
Hot, Freezing, Rainy, Snowy Days: Lemont / Stillman Valley
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 028 / 2910 / 96 / 6
February0 / 026 / 268 / 84 / 5
March0 / 022 / 2310 / 103 / 3
April0 / 08 / 811 / 110 / 1
May0 / 10 / 112 / 120 / 0
June2 / 30 / 012 / 110 / 0
July3 / 50 / 010 / 90 / 0
August2 / 30 / 010 / 90 / 0
September1 / 10 / 18 / 80 / 0
October0 / 06 / 710 / 90 / 0
November0 / 019 / 1810 / 91 / 1
December0 / 028 / 2811 / 106 / 6
July is the hottest month for Lemont with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Lemont, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lemont are June, September and August.

July is the hottest month for Stillman Valley with an average high temperature of 83.4°, which ranks it as cooler than most places in Illinois. In Stillman Valley, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Stillman Valley are June, September and August.
January has the coldest nighttime temperatures for Lemont with an average of 15.1°. This is colder than most places in Illinois.

January has the coldest nighttime temperatures for Stillman Valley with an average of 12.3°. This is one of the coldest places in Illinois.

In Lemont, there are 8.2 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Stillman Valley, there are 11.6 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Lemont, there are 135.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Stillman Valley, there are 138.6 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.

In Lemont, there are 5.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

In Stillman Valley, there are 13.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

August is the wettest month in Lemont with 4.3 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 39.4 inches in Lemont means that it is about average compared to other places in Illinois.


June is the wettest month in Stillman Valley with 4.7 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 36% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 36.3 inches in Stillman Valley means that it is one of the driest places in Illinois.

May is the rainiest month in Lemont with 12.3 days of rain, and September is the driest month with only 8.0 rainy days. There are 120.7 rainy days annually in Lemont, 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 22% chance of a rainy day.

May is the rainiest month in Stillman Valley with 11.9 days of rain, and February is the driest month with only 7.9 rainy days. There are 114.3 rainy days annually in Stillman Valley, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 29.9 inches in Lemont means that it is snowier than most places in Illinois.

An annual snowfall of 32.0 inches in Stillman Valley means that it is snowier than most places in Illinois.
January is the snowiest month in Lemont with 10.2 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Stillman Valley with 10.0 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 Lemont    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 Lemont

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Reviews for Stillman Valley    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 Stillman Valley

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