2025 Compare Climate & Weather:
Lowell, IN vs Buffalo Grove, IL

Highlights

On average, there are 187 sunny days per year in Buffalo Grove. Lowell averages 187 sunny days per year. The US average is 205 sunny days.

Buffalo Grove, Illinois gets 36.2 inches of rain, on average, per year. Lowell, Indiana gets 39.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Buffalo Grove averages 36 inches of snow per year. Lowell averages 23.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Buffalo Grove, Illinois
Summer High: the July high is around 83 degrees
Winter Low: the January low is 16.7
Rain: averages 36.2 inches of rain a year
Snow: averages 36 inches of snow a year

Lowell, Indiana
Summer High: the July high is around 83.6 degrees
Winter Low: the January low is 15.6
Rain: averages 39.6 inches of rain a year
Snow: averages 23.5 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Lowell is 7.0 (10=best), which means it is about average compared to other places in Indiana.

Today's Weather - Lowell, IN

51°F

Today's Weather - Buffalo Grove, IL

46°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lowell / Buffalo Grove

July is the hottest month for Lowell with an average high temperature of 83.6°, which ranks it as cooler than most places in Indiana. In Lowell, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lowell are September, June and August.

July is the hottest month for Buffalo Grove with an average high temperature of 83.0°, which ranks it as one of the coolest places in Illinois. In Buffalo Grove, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Buffalo Grove are June, September and August.

January has the coldest nighttime temperatures for Lowell with an average of 15.6°. This is one of the coldest places in Indiana.

January has the coldest nighttime temperatures for Buffalo Grove with an average of 16.7°. This is about average compared to other places in Illinois.

In Lowell, there are 13.6 days annually when the high temperature is over 90°, which is about average compared to other places in Indiana.

In Buffalo Grove, there are 13.8 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Lowell, there are 130.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Indiana.

In Buffalo Grove, there are 122.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

In Lowell, there are 9.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Indiana.

In Buffalo Grove, there are 6.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

June is the wettest month in Lowell 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 Lowell means that it is drier than most places in Indiana.


August is the wettest month in Buffalo Grove with 4.3 inches of rain, and the driest month is February with 1.6 inches. The wettest season is Autumn with 32% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 36.2 inches in Buffalo Grove means that it is one of the driest places in Illinois.

May is the rainiest month in Lowell with 11.4 days of rain, and February is the driest month with only 8.0 rainy days. There are 115.4 rainy days annually in Lowell, which is less rainy than most places in Indiana. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 24% chance of a rainy day.

April is the rainiest month in Buffalo Grove with 12.2 days of rain, and February is the driest month with only 8.3 rainy days. There are 125.2 rainy days annually in Buffalo Grove, 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 Spring with only a 23% chance of a rainy day.

An annual snowfall of 23.5 inches in Lowell means that it is snowier than most places in Indiana.

An annual snowfall of 36.0 inches in Buffalo Grove means that it is one of the snowiest places in Illinois.

January is the snowiest month in Lowell with 8.1 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Buffalo Grove with 11.3 inches of snow, and 6 months of the year have significant snowfall.