The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Mesa, AZ vs Glen Ellyn, IL

2025 Compare Climate & Weather:
Mesa, AZ vs Glen Ellyn, IL

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Highlights

On average, there are 191 sunny days per year in Glen Ellyn. Mesa averages 301 sunny days per year. The US average is 205 sunny days.

Glen Ellyn, Illinois gets 38.6 inches of rain, on average, per year. Mesa, Arizona gets 10.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Glen Ellyn averages 32.6 inches of snow per year. Mesa averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Glen Ellyn, 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 32.6 inches of snow a year

Mesa, Arizona
Summer High: the July high is around 104.6 degrees
Winter Low: the January low is 40.9
Rain: averages 10.1 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Glen Ellyn

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

Mesa

The annual BestPlaces Comfort Index for Mesa is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

7.3 / 10
April, March and November are the most pleasant months in Mesa, while July and August are the least comfortable months.

Average Monthly High / Low (°F)
MonthMesa, AZGlen Ellyn, IL
January67° / 41°31° / 15°
February71° / 43°36° / 18°
March77° / 48°47° / 27°
April85° / 54°60° / 37°
May94° / 62°70° / 47°
June103° / 70°80° / 58°
July105° / 77°84° / 62°
August103° / 77°82° / 60°
September99° / 71°75° / 52°
October88° / 59°63° / 40°
November76° / 47°49° / 30°
December66° / 40°35° / 19°
Hot, Freezing, Rainy, Snowy Days: Mesa / Glen Ellyn
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 03 / 284 / 100 / 8
February0 / 01 / 264 / 90 / 6
March1 / 00 / 224 / 100 / 4
April9 / 00 / 82 / 120 / 1
May23 / 00 / 11 / 120 / 0
June29 / 20 / 01 / 110 / 0
July31 / 40 / 04 / 90 / 0
August31 / 20 / 05 / 100 / 0
September28 / 10 / 03 / 80 / 0
October13 / 00 / 62 / 100 / 0
November1 / 01 / 193 / 100 / 2
December0 / 04 / 284 / 110 / 7
July is the hottest month for Mesa with an average high temperature of 104.6°, which ranks it as warmer than most places in Arizona. In Mesa, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mesa are March, November and April.

July is the hottest month for Glen Ellyn with an average high temperature of 84.2°, which ranks it as cooler than most places in Illinois. In Glen Ellyn, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Glen Ellyn are June, September and August.
December has the coldest nighttime temperatures for Mesa with an average of 39.6°. This is warmer than most places in Arizona.

January has the coldest nighttime temperatures for Glen Ellyn with an average of 15.0°. This is colder than most places in Illinois.

In Mesa, there are 165.6 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

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

In Mesa, there are 8.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

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

In Mesa, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Arizona.

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

August is the wettest month in Mesa with 1.4 inches of rain, and the driest month is June with 0.0 inches. The wettest season is Spring with 35% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 10.1 inches in Mesa means that it is drier than most places in Arizona.


August is the wettest month in Glen Ellyn 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 Glen Ellyn means that it is about average compared to other places in Illinois.

August is the rainiest month in Mesa with 4.8 days of rain, and June is the driest month with only 0.5 rainy days. There are 36.0 rainy days annually in Mesa, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 35% of the time and the driest is Summer with only a 18% chance of a rainy day.

May is the rainiest month in Glen Ellyn with 11.9 days of rain, and September is the driest month with only 8.0 rainy days. There are 121.6 rainy days annually in Glen Ellyn, which is one of the rainiest 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.

There is rarely any recorded snowfall in Mesa, ranking it as one of the least snowy places in Arizona.

An annual snowfall of 32.6 inches in Glen Ellyn means that it is snowier than most places in Illinois.
Any measurable snowfall is a rare occurance in Mesa.

January is the snowiest month in Glen Ellyn with 10.7 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 Mesa    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 Mesa

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Reviews for Glen Ellyn    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 Glen Ellyn

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Zips In Mesa, Arizona
85204, 85201, 85207, 85205, 85209, 85210, 85202, 85203, 85208, 85206, 14 total
Zips In GLEN ELLYN, ILLINOIS
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