2025 Compare Climate & Weather:
Rockford, IL vs Vienna, IL

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Highlights

On average, there are 206 sunny days per year in Vienna. Rockford averages 188 sunny days per year. The US average is 205 sunny days.

Vienna, Illinois gets 48.5 inches of rain, on average, per year. Rockford, Illinois gets 37.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Vienna averages 8.2 inches of snow per year. Rockford averages 35.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Vienna, Illinois
Summer High: the July high is around 89.1 degrees
Winter Low: the January low is 26.1
Rain: averages 48.5 inches of rain a year
Snow: averages 8.2 inches of snow a year

Rockford, Illinois
Summer High: the July high is around 83.7 degrees
Winter Low: the January low is 12.7
Rain: averages 37.1 inches of rain a year
Snow: averages 35.1 inches of snow a year

BestPlaces Comfort Index

Vienna

The annual BestPlaces Comfort Index for Vienna is 7.3 (10=best), which means it is one of the most pleasant places in Illinois.

7.3 / 10

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

Rockford

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

Average Monthly High / Low (°F)

Month	Rockford, IL	Vienna, IL
January	29° / 13°	43° / 26°
February	33° / 17°	48° / 30°
March	46° / 27°	59° / 38°
April	60° / 38°	69° / 47°
May	71° / 48°	77° / 56°
June	80° / 58°	86° / 64°
July	84° / 62°	89° / 68°
August	82° / 61°	89° / 67°
September	75° / 52°	82° / 59°
October	62° / 40°	71° / 47°
November	47° / 30°	59° / 39°
December	33° / 17°	46° / 29°

Hot, Freezing, Rainy, Snowy Days: Rockford / Vienna

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	29 / 22	9 / 9	7 / 2
February	0 / 0	26 / 16	8 / 9	5 / 2
March	0 / 0	23 / 10	10 / 10	3 / 0
April	0 / 0	8 / 2	11 / 10	1 / 0
May	0 / 1	1 / 0	12 / 11	0 / 0
June	3 / 7	0 / 0	11 / 9	0 / 0
July	5 / 14	0 / 0	9 / 8	0 / 0
August	3 / 13	0 / 0	10 / 6	0 / 0
September	1 / 4	0 / 0	8 / 7	0 / 0
October	0 / 0	6 / 2	9 / 8	0 / 0
November	0 / 0	18 / 8	9 / 9	1 / 0
December	0 / 0	28 / 19	10 / 10	7 / 1

July is the hottest month for Rockford with an average high temperature of 83.7°, which ranks it as cooler than most places in Illinois. In Rockford, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rockford are June, September and August.

July is the hottest month for Vienna with an average high temperature of 89.1°, which ranks it as one of the hottest places in Illinois. In Vienna, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Vienna are May, September and October.

January has the coldest nighttime temperatures for Rockford with an average of 12.7°. This is one of the coldest places in Illinois.

January has the coldest nighttime temperatures for Vienna with an average of 26.1°. This is one of the warmest places in Illinois.

In Rockford, there are 12.1 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Vienna, there are 39.1 days annually when the high temperature is over 90°, which is one of the hottest places in Illinois.

In Rockford, there are 138.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Vienna, there are 78.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Illinois.

In Rockford, there are 12.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

In Vienna, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Illinois.

June is the wettest month in Rockford with 4.9 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 37.1 inches in Rockford means that it is drier than most places in Illinois.

May is the wettest month in Vienna with 5.3 inches of rain, and the driest month is August with 3.0 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 48.5 inches in Vienna means that it is one of the wettest places in Illinois.

May is the rainiest month in Rockford with 12.0 days of rain, and February is the driest month with only 8.0 rainy days. There are 116.0 rainy days annually in Rockford, 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.

May is the rainiest month in Vienna with 10.7 days of rain, and August is the driest month with only 6.3 rainy days. There are 105.1 rainy days annually in Vienna, which is about average compared to other places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

An annual snowfall of 35.1 inches in Rockford means that it is one of the snowiest places in Illinois.

An annual snowfall of 8.2 inches in Vienna means that it is one of the least snowy places in Illinois.

December is the snowiest month in Rockford with 11.4 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Vienna with 3.1 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 Rockford 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

| Reply

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Reviews for Vienna 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:
Rockford, IL vs Vienna, IL

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rockford / Vienna

January has the coldest nighttime temperatures for Rockford with an average of 12.7°. This is one of the coldest places in Illinois.

January has the coldest nighttime temperatures for Vienna with an average of 26.1°. This is one of the warmest places in Illinois.

In Rockford, there are 12.1 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Vienna, there are 39.1 days annually when the high temperature is over 90°, which is one of the hottest places in Illinois.

In Rockford, there are 138.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Vienna, there are 78.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Illinois.

In Rockford, there are 12.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

In Vienna, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Illinois.

An annual snowfall of 35.1 inches in Rockford means that it is one of the snowiest places in Illinois.

An annual snowfall of 8.2 inches in Vienna means that it is one of the least snowy places in Illinois.

December is the snowiest month in Rockford with 11.4 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Vienna with 3.1 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Rockford 2 Reviews

Reviews for Vienna 2 Reviews

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2025 Compare Climate & Weather:Rockford, IL vs Vienna, IL

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rockford / Vienna

January has the coldest nighttime temperatures for Rockford with an average of 12.7°. This is one of the coldest places in Illinois.January has the coldest nighttime temperatures for Vienna with an average of 26.1°. This is one of the warmest places in Illinois.

In Rockford, there are 12.1 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.In Vienna, there are 39.1 days annually when the high temperature is over 90°, which is one of the hottest places in Illinois.

In Rockford, there are 138.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.In Vienna, there are 78.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Illinois.

In Rockford, there are 12.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.In Vienna, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Illinois.

An annual snowfall of 35.1 inches in Rockford means that it is one of the snowiest places in Illinois.An annual snowfall of 8.2 inches in Vienna means that it is one of the least snowy places in Illinois.

December is the snowiest month in Rockford with 11.4 inches of snow, and 6 months of the year have significant snowfall.February is the snowiest month in Vienna with 3.1 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Rockford 2 Reviews

Reviews for Vienna 2 Reviews

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Zips In Rockford, Illinois

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2025 Compare Climate & Weather:
Rockford, IL vs Vienna, IL

January has the coldest nighttime temperatures for Rockford with an average of 12.7°. This is one of the coldest places in Illinois.

January has the coldest nighttime temperatures for Vienna with an average of 26.1°. This is one of the warmest places in Illinois.

In Rockford, there are 12.1 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Vienna, there are 39.1 days annually when the high temperature is over 90°, which is one of the hottest places in Illinois.

In Rockford, there are 138.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Vienna, there are 78.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Illinois.

In Rockford, there are 12.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

In Vienna, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Illinois.

An annual snowfall of 35.1 inches in Rockford means that it is one of the snowiest places in Illinois.

An annual snowfall of 8.2 inches in Vienna means that it is one of the least snowy places in Illinois.

December is the snowiest month in Rockford with 11.4 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Vienna with 3.1 inches of snow, and 4 months of the year have significant snowfall.