2025 Compare Climate & Weather:
Sherborn, MA vs Chantilly, VA

Highlights

On average, there are 197 sunny days per year in Chantilly. Sherborn averages 201 sunny days per year. The US average is 205 sunny days.

Chantilly, Virginia gets 42.9 inches of rain, on average, per year. Sherborn, Massachusetts gets 48.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chantilly averages 21.5 inches of snow per year. Sherborn averages 46.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chantilly, Virginia
Summer High: the July high is around 85.8 degrees
Winter Low: the January low is 23.5
Rain: averages 42.9 inches of rain a year
Snow: averages 21.5 inches of snow a year

Sherborn, Massachusetts
Summer High: the July high is around 82.9 degrees
Winter Low: the January low is 16.2
Rain: averages 48.7 inches of rain a year
Snow: averages 46.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Chantilly is 7.3 (10=best), which means it is about average compared to other places in Virginia.

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

Today's Weather - Sherborn, MA

52°F

Today's Weather - Chantilly, VA

56°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sherborn / Chantilly

July is the hottest month for Sherborn with an average high temperature of 82.9°, which ranks it as warmer than most places in Massachusetts. In Sherborn, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sherborn are June, August and September.

July is the hottest month for Chantilly with an average high temperature of 85.8°, which ranks it as cooler than most places in Virginia. In Chantilly, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chantilly are September, June and May.

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

January has the coldest nighttime temperatures for Chantilly with an average of 23.5°. This is colder than most places in Virginia.

In Sherborn, there are 10.0 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.

In Chantilly, there are 19.0 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In Sherborn, there are 139.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In Chantilly, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

In Sherborn, there are 4.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

In Chantilly, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

March is the wettest month in Sherborn with 4.5 inches of rain, and the driest month is February with 3.4 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 48.7 inches in Sherborn means that it is wetter than most places in Massachusetts.


May is the wettest month in Chantilly with 4.6 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Chantilly means that it is drier than most places in Virginia.

May is the rainiest month in Sherborn with 11.8 days of rain, and September is the driest month with only 8.8 rainy days. There are 121.4 rainy days annually in Sherborn, which is about average compared to other places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

May is the rainiest month in Chantilly with 12.2 days of rain, and October is the driest month with only 8.1 rainy days. There are 119.5 rainy days annually in Chantilly, which is rainier than most places in Virginia. 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.

An annual snowfall of 46.8 inches in Sherborn means that it is snowier than most places in Massachusetts.

An annual snowfall of 21.5 inches in Chantilly means that it is one of the snowiest places in Virginia.

January is the snowiest month in Sherborn with 13.8 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Chantilly with 7.8 inches of snow, and 5 months of the year have significant snowfall.