2025 Compare Climate & Weather:
Acton, MA vs Lake Zurich, IL

Highlights

On average, there are 185 sunny days per year in Lake Zurich. Acton averages 199 sunny days per year. The US average is 205 sunny days.

Lake Zurich, Illinois gets 37.5 inches of rain, on average, per year. Acton, Massachusetts gets 48 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Lake Zurich averages 37.7 inches of snow per year. Acton averages 50.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Lake Zurich, Illinois
Summer High: the July high is around 83.3 degrees
Winter Low: the January low is 12.3
Rain: averages 37.5 inches of rain a year
Snow: averages 37.7 inches of snow a year

Acton, Massachusetts
Summer High: the July high is around 83.1 degrees
Winter Low: the January low is 16.2
Rain: averages 48 inches of rain a year
Snow: averages 50.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Lake Zurich is 6.7 (10=best), which means it is one of the least comfortable places in Illinois.

The annual BestPlaces Comfort Index for Acton is 6.9 (10=best), which means it is about average compared to other places in Massachusetts.

Today's Weather - Acton, MA

69°F

Today's Weather - Lake Zurich, IL

70°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Acton / Lake Zurich

July is the hottest month for Acton with an average high temperature of 83.1°, which ranks it as warmer than most places in Massachusetts. In Acton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Acton are June, August and September.

July is the hottest month for Lake Zurich with an average high temperature of 83.3°, which ranks it as one of the coolest places in Illinois. In Lake Zurich, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lake Zurich are June, August and September.

January has the coldest nighttime temperatures for Acton with an average of 16.2°. This is colder than most places in Massachusetts.

January has the coldest nighttime temperatures for Lake Zurich with an average of 12.3°. This is one of the coldest places in Illinois.

In Acton, there are 11.4 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.

In Lake Zurich, there are 13.2 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Acton, there are 133.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In Lake Zurich, there are 144.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.

In Acton, there are 4.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

In Lake Zurich, there are 11.8 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

March is the wettest month in Acton with 4.6 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Summer with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 48.0 inches in Acton means that it is about average compared to other places in Massachusetts.


August is the wettest month in Lake Zurich with 4.6 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 33% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 37.5 inches in Lake Zurich means that it is drier than most places in Illinois.

May is the rainiest month in Acton with 12.6 days of rain, and September is the driest month with only 8.9 rainy days. There are 128.6 rainy days annually in Acton, which is rainier than most places in Massachusetts. 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 Lake Zurich with 12.4 days of rain, and September is the driest month with only 8.4 rainy days. There are 124.1 rainy days annually in Lake Zurich, 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 23% chance of a rainy day.

An annual snowfall of 50.6 inches in Acton means that it is snowier than most places in Massachusetts.

An annual snowfall of 37.7 inches in Lake Zurich means that it is one of the snowiest places in Illinois.

January is the snowiest month in Acton with 15.4 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Lake Zurich with 11.4 inches of snow, and 6 months of the year have significant snowfall.