2025 Compare Climate & Weather:
Staunton, IL vs Waterloo, IL

Highlights

On average, there are 202 sunny days per year in Waterloo. Staunton averages 197 sunny days per year. The US average is 205 sunny days.

Waterloo, Illinois gets 43.2 inches of rain, on average, per year. Staunton, Illinois gets 39.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Waterloo averages 11.6 inches of snow per year. Staunton averages 16 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Waterloo, Illinois
Summer High: the July high is around 88 degrees
Winter Low: the January low is 22.3
Rain: averages 43.2 inches of rain a year
Snow: averages 11.6 inches of snow a year

Staunton, Illinois
Summer High: the July high is around 88.2 degrees
Winter Low: the January low is 20.9
Rain: averages 39.9 inches of rain a year
Snow: averages 16 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Staunton is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

Today's Weather - Staunton, IL

76°F

Today's Weather - Waterloo, IL

77°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Staunton / Waterloo

July is the hottest month for Staunton with an average high temperature of 88.2°, which ranks it as warmer than most places in Illinois. In Staunton, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Staunton are May, September and June.

July is the hottest month for Waterloo with an average high temperature of 88.0°, which ranks it as warmer than most places in Illinois. In Waterloo, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Waterloo are September, May and June.

January has the coldest nighttime temperatures for Staunton with an average of 20.9°. This is warmer than most places in Illinois.

January has the coldest nighttime temperatures for Waterloo with an average of 22.3°. This is warmer than most places in Illinois.

In Staunton, there are 32.2 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

In Waterloo, there are 33.0 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

In Staunton, there are 98.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Waterloo, there are 97.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Staunton, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

In Waterloo, there are 1.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

May is the wettest month in Staunton with 4.8 inches of rain, and the driest month is February with 2.2 inches. The wettest season is Summer with 30% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 39.9 inches in Staunton means that it is wetter than most places in Illinois.


May is the wettest month in Waterloo with 4.9 inches of rain, and the driest month is January with 2.4 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 43.2 inches in Waterloo means that it is wetter than most places in Illinois.

May is the rainiest month in Staunton with 10.9 days of rain, and February is the driest month with only 6.9 rainy days. There are 101.4 rainy days annually in Staunton, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

May is the rainiest month in Waterloo with 11.1 days of rain, and February is the driest month with only 6.7 rainy days. There are 100.2 rainy days annually in Waterloo, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 16.0 inches in Staunton means that it is less snowy than most places in Illinois.

An annual snowfall of 11.6 inches in Waterloo means that it is less snowy than most places in Illinois.

January is the snowiest month in Staunton with 5.5 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Waterloo with 3.7 inches of snow, and 4 months of the year have significant snowfall.