The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Wheaton, IL vs Lookout Mountain, TN

2025 Compare Climate & Weather:
Wheaton, IL vs Lookout Mountain, TN

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Highlights

On average, there are 208 sunny days per year in Lookout Mountain. Wheaton averages 186 sunny days per year. The US average is 205 sunny days.

Lookout Mountain, Tennessee gets 58.2 inches of rain, on average, per year. Wheaton, Illinois gets 38.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Lookout Mountain averages 2.8 inches of snow per year. Wheaton averages 29.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Lookout Mountain, Tennessee
Summer High:
the July high is around 83.8 degrees
Winter Low: the January low is 26.8
Rain: averages 58.2 inches of rain a year
Snow: averages 2.8 inches of snow a year

Wheaton, Illinois
Summer High:
the July high is around 84.2 degrees
Winter Low: the January low is 15
Rain: averages 38.6 inches of rain a year
Snow: averages 29.8 inches of snow a year

BestPlaces Comfort Index
Lookout Mountain

The annual BestPlaces Comfort Index for Lookout Mountain is 7.5 (10=best), which means it is one of the most pleasant places in Tennessee.

7.5 / 10
September, May and October are the most pleasant months in Lookout Mountain, while January and December are the least comfortable months.

Wheaton

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

Average Monthly High / Low (°F)
MonthWheaton, ILLookout Mountain, TN
January31° / 15°44° / 27°
February36° / 18°49° / 30°
March47° / 27°58° / 38°
April60° / 37°67° / 46°
May70° / 47°74° / 55°
June80° / 58°81° / 63°
July84° / 62°84° / 66°
August82° / 60°83° / 66°
September75° / 52°77° / 59°
October63° / 40°67° / 48°
November49° / 30°57° / 39°
December35° / 19°47° / 30°
Hot, Freezing, Rainy, Snowy Days: Wheaton / Lookout Mountain
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 028 / 2110 / 87 / 1
February0 / 026 / 168 / 95 / 1
March0 / 022 / 910 / 93 / 0
April0 / 08 / 212 / 91 / 0
May0 / 01 / 012 / 90 / 0
June2 / 10 / 011 / 90 / 0
July4 / 20 / 09 / 90 / 0
August2 / 40 / 010 / 80 / 0
September1 / 10 / 08 / 70 / 0
October0 / 06 / 29 / 60 / 0
November0 / 019 / 710 / 81 / 0
December0 / 028 / 1811 / 96 / 0
July is the hottest month for Wheaton with an average high temperature of 84.2°, which ranks it as cooler than most places in Illinois. In Wheaton, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wheaton are June, September and August.

July is the hottest month for Lookout Mountain with an average high temperature of 83.8°, which ranks it as one of the coolest places in Tennessee. In Lookout Mountain, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lookout Mountain are September, June and May.
January has the coldest nighttime temperatures for Wheaton with an average of 15.0°. This is colder than most places in Illinois.

January has the coldest nighttime temperatures for Lookout Mountain with an average of 26.8°. This is warmer than most places in Tennessee.

In Wheaton, there are 9.3 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Lookout Mountain, there are 7.5 days annually when the high temperature is over 90°, which is one of the coolest places in Tennessee.

In Wheaton, there are 138.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Lookout Mountain, there are 75.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Tennessee.

In Wheaton, there are 5.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

In Lookout Mountain, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Tennessee.

August is the wettest month in Wheaton with 4.2 inches of rain, and the driest month is January with 1.9 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 38.6 inches in Wheaton means that it is about average compared to other places in Illinois.


December is the wettest month in Lookout Mountain with 6.0 inches of rain, and the driest month is October with 3.7 inches. The wettest season is Spring with 28% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 58.2 inches in Lookout Mountain means that it is one of the wettest places in Tennessee.

May is the rainiest month in Wheaton with 11.9 days of rain, and September is the driest month with only 8.0 rainy days. There are 119.2 rainy days annually in Wheaton, 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 23% chance of a rainy day.

July is the rainiest month in Lookout Mountain with 9.4 days of rain, and October is the driest month with only 6.4 rainy days. There are 100.8 rainy days annually in Lookout Mountain, which is one of the least rainy places in Tennessee. The rainiest season is Summer when it rains 26% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 29.8 inches in Wheaton means that it is snowier than most places in Illinois.

An annual snowfall of 2.8 inches in Lookout Mountain means that it is less snowy than most places in Tennessee.
January is the snowiest month in Wheaton with 9.8 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Lookout Mountain with 0.9 inches of snow, and 4 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 Wheaton    2 Reviews

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

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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

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Reviews for Lookout Mountain    2 Reviews

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

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 Lookout Mountain

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