2025 Compare Climate & Weather:
Rochester, MN vs Peoria, IL

Highlights

On average, there are 194 sunny days per year in Peoria. Rochester averages 180 sunny days per year. The US average is 205 sunny days.

Peoria, Illinois gets 37.7 inches of rain, on average, per year. Rochester, Minnesota gets 33.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Peoria averages 23 inches of snow per year. Rochester averages 48.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Peoria, Illinois
Summer High: the July high is around 85.6 degrees
Winter Low: the January low is 15.5
Rain: averages 37.7 inches of rain a year
Snow: averages 23 inches of snow a year

Rochester, Minnesota
Summer High: the July high is around 82 degrees
Winter Low: the January low is 4.8
Rain: averages 33.9 inches of rain a year
Snow: averages 48.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Peoria is 7.1 (10=best), which means it is more comfortable than most places in Illinois.

The annual BestPlaces Comfort Index for Rochester is 6.5 (10=best), which means it is about average compared to other places in Minnesota.

Today's Weather - Rochester, MN

72°F

Today's Weather - Peoria, IL

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rochester / Peoria

July is the hottest month for Rochester with an average high temperature of 82.0°, which ranks it as about average compared to other places in Minnesota. In Rochester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rochester are June, August and July.

July is the hottest month for Peoria with an average high temperature of 85.6°, which ranks it as about average compared to other places in Illinois. In Peoria, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Peoria are September, June and May.

January has the coldest nighttime temperatures for Rochester with an average of 4.8°. This is warmer than most places in Minnesota.

January has the coldest nighttime temperatures for Peoria with an average of 15.5°. This is colder than most places in Illinois.

In Rochester, there are 6.4 days annually when the high temperature is over 90°, which is cooler than most places in Minnesota.

In Peoria, there are 19.9 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.

In Rochester, there are 165.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Minnesota.

In Peoria, there are 125.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Rochester, there are 30.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Minnesota.

In Peoria, there are 8.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

August is the wettest month in Rochester with 4.7 inches of rain, and the driest month is February with 0.9 inches. The wettest season is Autumn with 40% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 33.9 inches in Rochester means that it is one of the wettest places in Minnesota.


May is the wettest month in Peoria with 4.5 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Autumn with 30% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 37.7 inches in Peoria means that it is drier than most places in Illinois.

May is the rainiest month in Rochester with 11.4 days of rain, and February is the driest month with only 6.4 rainy days. There are 108.7 rainy days annually in Rochester, which is rainier than most places in Minnesota. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 20% chance of a rainy day.

May is the rainiest month in Peoria with 11.5 days of rain, and February is the driest month with only 7.5 rainy days. There are 110.1 rainy days annually in Peoria, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 48.1 inches in Rochester means that it is snowier than most places in Minnesota.

An annual snowfall of 23.0 inches in Peoria means that it is snowier than most places in Illinois.

December is the snowiest month in Rochester with 11.2 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Peoria with 7.0 inches of snow, and 6 months of the year have significant snowfall.