2025 Compare Climate & Weather:
Gurnee, IL vs Sweetwater, TN

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Highlights

On average, there are 207 sunny days per year in Sweetwater. Gurnee averages 190 sunny days per year. The US average is 205 sunny days.

Sweetwater, Tennessee gets 54.9 inches of rain, on average, per year. Gurnee, Illinois gets 35.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sweetwater averages 4.5 inches of snow per year. Gurnee averages 43.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sweetwater, Tennessee
Summer High: the July high is around 88.2 degrees
Winter Low: the January low is 25.8
Rain: averages 54.9 inches of rain a year
Snow: averages 4.5 inches of snow a year

Gurnee, Illinois
Summer High: the July high is around 81.4 degrees
Winter Low: the January low is 15.1
Rain: averages 35.8 inches of rain a year
Snow: averages 43.2 inches of snow a year

BestPlaces Comfort Index

Sweetwater

The annual BestPlaces Comfort Index for Sweetwater is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

7.3 / 10

September, May and October are the most pleasant months in Sweetwater, while January and December are the least comfortable months.

Gurnee

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

6.8 / 10

June, August and July are the most pleasant months in Gurnee, while January and December are the least comfortable months.

Average Monthly High / Low (°F)

Month	Gurnee, IL	Sweetwater, TN
January	30° / 15°	48° / 26°
February	34° / 18°	53° / 29°
March	44° / 27°	62° / 36°
April	56° / 37°	71° / 44°
May	67° / 47°	78° / 53°
June	77° / 57°	85° / 61°
July	81° / 63°	88° / 65°
August	80° / 62°	88° / 64°
September	72° / 54°	83° / 57°
October	60° / 42°	72° / 45°
November	47° / 32°	61° / 35°
December	34° / 20°	51° / 29°

Hot, Freezing, Rainy, Snowy Days: Gurnee / Sweetwater

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	29 / 22	10 / 11	8 / 1
February	0 / 0	26 / 18	8 / 11	6 / 1
March	0 / 0	22 / 12	9 / 11	4 / 0
April	0 / 0	8 / 3	11 / 10	1 / 0
May	0 / 0	1 / 0	12 / 12	0 / 0
June	2 / 6	0 / 0	11 / 11	0 / 0
July	4 / 11	0 / 0	9 / 12	0 / 0
August	2 / 11	0 / 0	9 / 9	0 / 0
September	0 / 4	0 / 0	9 / 8	0 / 0
October	0 / 0	4 / 4	10 / 8	0 / 0
November	0 / 0	15 / 13	10 / 10	2 / 0
December	0 / 0	27 / 21	9 / 11	7 / 1

July is the hottest month for Gurnee with an average high temperature of 81.4°, which ranks it as one of the coolest places in Illinois. In Gurnee, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gurnee are June, August and July.

August is the hottest month for Sweetwater with an average high temperature of 88.2°, which ranks it as about average compared to other places in Tennessee. In Sweetwater, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sweetwater are May, September and October.

January has the coldest nighttime temperatures for Gurnee with an average of 15.1°. This is colder than most places in Illinois.

January has the coldest nighttime temperatures for Sweetwater with an average of 25.8°. This is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Sweetwater, there are 32.3 days annually when the high temperature is over 90°, which is about average compared to other places in Tennessee.

In Gurnee, there are 130.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Sweetwater, there are 93.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

In Sweetwater, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

May is the wettest month in Gurnee with 4.0 inches of rain, and the driest month is January with 1.7 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 35.8 inches in Gurnee means that it is one of the driest places in Illinois.

January is the wettest month in Sweetwater with 5.2 inches of rain, and the driest month is October with 3.1 inches. The wettest season is Spring with 28% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 54.9 inches in Sweetwater means that it is wetter than most places in Tennessee.

May is the rainiest month in Gurnee with 11.9 days of rain, and February is the driest month with only 7.9 rainy days. There are 115.8 rainy days annually in Gurnee, 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.

July is the rainiest month in Sweetwater with 11.9 days of rain, and September is the driest month with only 7.5 rainy days. There are 121.4 rainy days annually in Sweetwater, which is rainier than most places in Tennessee. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 20% chance of a rainy day.

An annual snowfall of 43.2 inches in Gurnee means that it is one of the snowiest places in Illinois.

An annual snowfall of 4.5 inches in Sweetwater means that it is snowier than most places in Tennessee.

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

January is the snowiest month in Sweetwater with 1.7 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 Gurnee 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

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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

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Reviews for Sweetwater 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

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2025 Compare Climate & Weather:
Gurnee, IL vs Sweetwater, TN

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Gurnee / Sweetwater

January has the coldest nighttime temperatures for Gurnee with an average of 15.1°. This is colder than most places in Illinois.

January has the coldest nighttime temperatures for Sweetwater with an average of 25.8°. This is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Sweetwater, there are 32.3 days annually when the high temperature is over 90°, which is about average compared to other places in Tennessee.

In Gurnee, there are 130.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Sweetwater, there are 93.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

In Sweetwater, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

An annual snowfall of 43.2 inches in Gurnee means that it is one of the snowiest places in Illinois.

An annual snowfall of 4.5 inches in Sweetwater means that it is snowier than most places in Tennessee.

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

January is the snowiest month in Sweetwater with 1.7 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Gurnee 2 Reviews

Reviews for Sweetwater 2 Reviews

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2025 Compare Climate & Weather:Gurnee, IL vs Sweetwater, TN

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Gurnee / Sweetwater

January has the coldest nighttime temperatures for Gurnee with an average of 15.1°. This is colder than most places in Illinois.January has the coldest nighttime temperatures for Sweetwater with an average of 25.8°. This is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.In Sweetwater, there are 32.3 days annually when the high temperature is over 90°, which is about average compared to other places in Tennessee.

In Gurnee, there are 130.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.In Sweetwater, there are 93.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.In Sweetwater, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

An annual snowfall of 43.2 inches in Gurnee means that it is one of the snowiest places in Illinois.An annual snowfall of 4.5 inches in Sweetwater means that it is snowier than most places in Tennessee.

January is the snowiest month in Gurnee with 12.9 inches of snow, and 6 months of the year have significant snowfall.January is the snowiest month in Sweetwater with 1.7 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Gurnee 2 Reviews

Reviews for Sweetwater 2 Reviews

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Zips In Gurnee, Illinois

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2025 Compare Climate & Weather:
Gurnee, IL vs Sweetwater, TN

January has the coldest nighttime temperatures for Gurnee with an average of 15.1°. This is colder than most places in Illinois.

January has the coldest nighttime temperatures for Sweetwater with an average of 25.8°. This is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Sweetwater, there are 32.3 days annually when the high temperature is over 90°, which is about average compared to other places in Tennessee.

In Gurnee, there are 130.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Sweetwater, there are 93.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Gurnee, there are 8.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

In Sweetwater, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

An annual snowfall of 43.2 inches in Gurnee means that it is one of the snowiest places in Illinois.

An annual snowfall of 4.5 inches in Sweetwater means that it is snowier than most places in Tennessee.

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

January is the snowiest month in Sweetwater with 1.7 inches of snow, and 4 months of the year have significant snowfall.