2025 Compare Climate & Weather:
Chester, IA vs Iowa City, IA

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Highlights

On average, there are 199 sunny days per year in Iowa City. Chester averages 185 sunny days per year. The US average is 205 sunny days.

Iowa City, Iowa gets 36.9 inches of rain, on average, per year. Chester, Iowa gets 35.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Iowa City averages 26.8 inches of snow per year. Chester averages 44.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Iowa City, Iowa
Summer High: the July high is around 85.1 degrees
Winter Low: the January low is 13.3
Rain: averages 36.9 inches of rain a year
Snow: averages 26.8 inches of snow a year

Chester, Iowa
Summer High: the July high is around 81.2 degrees
Winter Low: the January low is 5.4
Rain: averages 35.8 inches of rain a year
Snow: averages 44.3 inches of snow a year

BestPlaces Comfort Index

Iowa City

The annual BestPlaces Comfort Index for Iowa City is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

7 / 10

June, September and May are the most pleasant months in Iowa City, while January and December are the least comfortable months.

Chester

The annual BestPlaces Comfort Index for Chester is 6.5 (10=best), which means it is one of the least comfortable places in Iowa.

6.5 / 10

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

Average Monthly High / Low (°F)

Month	Chester, IA	Iowa City, IA
January	23° / 5°	30° / 13°
February	28° / 10°	35° / 18°
March	40° / 21°	48° / 28°
April	56° / 34°	62° / 40°
May	68° / 45°	73° / 50°
June	78° / 56°	82° / 60°
July	81° / 60°	85° / 64°
August	79° / 57°	83° / 62°
September	72° / 48°	76° / 53°
October	59° / 36°	64° / 41°
November	42° / 24°	48° / 30°
December	27° / 10°	33° / 17°

Hot, Freezing, Rainy, Snowy Days: Chester / Iowa City

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	31 / 30	7 / 6	6 / 4
February	0 / 0	27 / 25	6 / 6	5 / 3
March	0 / 0	27 / 20	7 / 7	4 / 2
April	0 / 0	13 / 6	10 / 10	1 / 0
May	0 / 1	2 / 0	12 / 11	0 / 0
June	1 / 4	0 / 0	11 / 11	0 / 0
July	2 / 7	0 / 0	10 / 9	0 / 0
August	2 / 4	0 / 0	10 / 9	0 / 0
September	0 / 1	1 / 0	9 / 7	0 / 0
October	0 / 0	12 / 5	8 / 8	0 / 0
November	0 / 0	24 / 18	7 / 7	3 / 1
December	0 / 0	30 / 28	8 / 7	6 / 4

July is the hottest month for Chester with an average high temperature of 81.2°, which ranks it as one of the coolest places in Iowa. In Chester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chester are June, August and July.

July is the hottest month for Iowa City with an average high temperature of 85.1°, which ranks it as warmer than most places in Iowa. In Iowa City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Iowa City are September, June and August.

January has the coldest nighttime temperatures for Chester with an average of 5.4°. This is one of the coldest places in Iowa.

January has the coldest nighttime temperatures for Iowa City with an average of 13.3°. This is warmer than most places in Iowa.

In Chester, there are 5.3 days annually when the high temperature is over 90°, which is one of the coolest places in Iowa.

In Iowa City, there are 16.6 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Chester, there are 166.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Iowa.

In Iowa City, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Chester, there are 28.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Iowa.

In Iowa City, there are 12.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

August is the wettest month in Chester with 5.1 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 41% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 35.8 inches in Chester means that it is about average compared to other places in Iowa.

July is the wettest month in Iowa City with 4.8 inches of rain, and the driest month is January with 1.0 inches. The wettest season is Autumn with 39% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 36.9 inches in Iowa City means that it is wetter than most places in Iowa.

May is the rainiest month in Chester with 11.8 days of rain, and February is the driest month with only 5.7 rainy days. There are 103.4 rainy days annually in Chester, which is rainier than most places in Iowa. The rainiest season is Autumn when it rains 29% of the time and the driest is Spring with only a 19% chance of a rainy day.

May is the rainiest month in Iowa City with 11.2 days of rain, and February is the driest month with only 5.5 rainy days. There are 98.0 rainy days annually in Iowa City, which is about average compared to other places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 44.3 inches in Chester means that it is one of the snowiest places in Iowa.

An annual snowfall of 26.8 inches in Iowa City means that it is less snowy than most places in Iowa.

December is the snowiest month in Chester with 12.3 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Iowa City with 8.1 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 Chester 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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Reviews for Iowa City 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:
Chester, IA vs Iowa City, IA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chester / Iowa City

January has the coldest nighttime temperatures for Chester with an average of 5.4°. This is one of the coldest places in Iowa.

January has the coldest nighttime temperatures for Iowa City with an average of 13.3°. This is warmer than most places in Iowa.

In Chester, there are 5.3 days annually when the high temperature is over 90°, which is one of the coolest places in Iowa.

In Iowa City, there are 16.6 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Chester, there are 166.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Iowa.

In Iowa City, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Chester, there are 28.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Iowa.

In Iowa City, there are 12.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

An annual snowfall of 44.3 inches in Chester means that it is one of the snowiest places in Iowa.

An annual snowfall of 26.8 inches in Iowa City means that it is less snowy than most places in Iowa.

December is the snowiest month in Chester with 12.3 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Iowa City with 8.1 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Chester 2 Reviews

Reviews for Iowa City 2 Reviews

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2025 Compare Climate & Weather:Chester, IA vs Iowa City, IA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chester / Iowa City

January has the coldest nighttime temperatures for Chester with an average of 5.4°. This is one of the coldest places in Iowa.January has the coldest nighttime temperatures for Iowa City with an average of 13.3°. This is warmer than most places in Iowa.

In Chester, there are 5.3 days annually when the high temperature is over 90°, which is one of the coolest places in Iowa.In Iowa City, there are 16.6 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Chester, there are 166.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Iowa.In Iowa City, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Chester, there are 28.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Iowa.In Iowa City, there are 12.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

An annual snowfall of 44.3 inches in Chester means that it is one of the snowiest places in Iowa.An annual snowfall of 26.8 inches in Iowa City means that it is less snowy than most places in Iowa.

December is the snowiest month in Chester with 12.3 inches of snow, and 7 months of the year have significant snowfall.December is the snowiest month in Iowa City with 8.1 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Chester 2 Reviews

Reviews for Iowa City 2 Reviews

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Zips In Chester, Iowa

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2025 Compare Climate & Weather:
Chester, IA vs Iowa City, IA

January has the coldest nighttime temperatures for Chester with an average of 5.4°. This is one of the coldest places in Iowa.

January has the coldest nighttime temperatures for Iowa City with an average of 13.3°. This is warmer than most places in Iowa.

In Chester, there are 5.3 days annually when the high temperature is over 90°, which is one of the coolest places in Iowa.

In Iowa City, there are 16.6 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Chester, there are 166.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Iowa.

In Iowa City, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Chester, there are 28.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Iowa.

In Iowa City, there are 12.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

An annual snowfall of 44.3 inches in Chester means that it is one of the snowiest places in Iowa.

An annual snowfall of 26.8 inches in Iowa City means that it is less snowy than most places in Iowa.

December is the snowiest month in Chester with 12.3 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Iowa City with 8.1 inches of snow, and 6 months of the year have significant snowfall.