2025 Compare Climate & Weather:
Brookline, MA vs Bethesda, MD

Highlights

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

Bethesda, Maryland gets 42.7 inches of rain, on average, per year. Brookline, Massachusetts gets 47.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Bethesda averages 17.2 inches of snow per year. Brookline averages 49.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Bethesda, Maryland
Summer High: the July high is around 86.7 degrees
Winter Low: the January low is 25.3
Rain: averages 42.7 inches of rain a year
Snow: averages 17.2 inches of snow a year

Brookline, Massachusetts
Summer High: the July high is around 82.7 degrees
Winter Low: the January low is 18.6
Rain: averages 47.2 inches of rain a year
Snow: averages 49.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Bethesda is 7.3 (10=best), which means it is more comfortable than most places in Maryland.

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

Today's Weather - Brookline, MA

46°F

Today's Weather - Bethesda, MD

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Brookline / Bethesda

July is the hottest month for Brookline with an average high temperature of 82.7°, which ranks it as warmer than most places in Massachusetts. In Brookline, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Brookline are June, August and September.

July is the hottest month for Bethesda with an average high temperature of 86.7°, which ranks it as cooler than most places in Maryland. In Bethesda, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bethesda are September, May and June.

January has the coldest nighttime temperatures for Brookline with an average of 18.6°. This is about average compared to other places in Massachusetts.

January has the coldest nighttime temperatures for Bethesda with an average of 25.3°. This is about average compared to other places in Maryland.

In Brookline, there are 11.3 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.

In Bethesda, there are 23.8 days annually when the high temperature is over 90°, which is about average compared to other places in Maryland.

In Brookline, there are 122.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Massachusetts.

In Bethesda, there are 87.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Maryland.

In Brookline, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Massachusetts.

In Bethesda, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

March is the wettest month in Brookline 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 47.2 inches in Brookline means that it is drier than most places in Massachusetts.


May is the wettest month in Bethesda with 4.2 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.7 inches in Bethesda means that it is drier than most places in Maryland.

May is the rainiest month in Brookline with 12.6 days of rain, and September is the driest month with only 9.0 rainy days. There are 131.2 rainy days annually in Brookline, which is one of the rainiest 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 Bethesda with 11.6 days of rain, and August is the driest month with only 8.3 rainy days. There are 113.9 rainy days annually in Bethesda, which is about average compared to other places in Maryland. 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 49.3 inches in Brookline means that it is snowier than most places in Massachusetts.

An annual snowfall of 17.2 inches in Bethesda means that it is snowier than most places in Maryland.

January is the snowiest month in Brookline with 14.7 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Bethesda with 6.9 inches of snow, and 5 months of the year have significant snowfall.