2025 Compare Climate & Weather:
Homer Glen, IL vs St. Augustine South, FL

Highlights

On average, there are 220 sunny days per year in St. Augustine South. Homer Glen averages 189 sunny days per year. The US average is 205 sunny days.

St. Augustine South, Florida gets 50.6 inches of rain, on average, per year. Homer Glen, Illinois gets 39.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

St. Augustine South averages 0 inches of snow per year. Homer Glen averages 30.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

St. Augustine South, Florida
Summer High: the July high is around 90.9 degrees
Winter Low: the January low is 45.4
Rain: averages 50.6 inches of rain a year
Snow: averages 0 inches of snow a year

Homer Glen, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 15.5
Rain: averages 39.6 inches of rain a year
Snow: averages 30.4 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Homer Glen is 6.9 (10=best), which means it is less comfortable than most places in Illinois.

Today's Weather - Homer Glen, IL

54°F

Today's Weather - St. Augustine South, FL

70°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Homer Glen / St. Augustine South

July is the hottest month for Homer Glen with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Homer Glen, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Homer Glen are June, September and August.

July is the hottest month for St. Augustine South with an average high temperature of 90.9°, which ranks it as about average compared to other places in Florida. In St. Augustine South, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Augustine South are April, October and November.

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

January has the coldest nighttime temperatures for St. Augustine South with an average of 45.4°. This is colder than most places in Florida.

In Homer Glen, there are 10.3 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In St. Augustine South, there are 60.1 days annually when the high temperature is over 90°, which is cooler than most places in Florida.

In Homer Glen, there are 128.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In St. Augustine South, there are 6.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Florida.

In Homer Glen, there are 6.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

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

August is the wettest month in Homer Glen with 4.4 inches of rain, and the driest month is February with 1.8 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 39.6 inches in Homer Glen means that it is wetter than most places in Illinois.


September is the wettest month in St. Augustine South with 7.7 inches of rain, and the driest month is December with 2.3 inches. The wettest season is Autumn with 37% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 50.6 inches in St. Augustine South means that it is one of the driest places in Florida.

May is the rainiest month in Homer Glen with 12.9 days of rain, and September is the driest month with only 8.1 rainy days. There are 125.1 rainy days annually in Homer Glen, 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 22% chance of a rainy day.

August is the rainiest month in St. Augustine South with 15.3 days of rain, and April is the driest month with only 5.8 rainy days. There are 118.2 rainy days annually in St. Augustine South, which is rainier than most places in Florida. The rainiest season is Autumn when it rains 36% of the time and the driest is Summer with only a 17% chance of a rainy day.

An annual snowfall of 30.4 inches in Homer Glen means that it is snowier than most places in Illinois.

There is rarely any recorded snowfall in St. Augustine South, ranking it as one of the least snowy places in Florida.

January is the snowiest month in Homer Glen with 10.0 inches of snow, and 5 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in St. Augustine South.