The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Boston, MA vs Issaquah, WA

2025 Compare Climate & Weather:
Boston, MA vs Issaquah, WA

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Highlights

On average, there are 154 sunny days per year in Issaquah. Boston averages 200 sunny days per year. The US average is 205 sunny days.

Issaquah, Washington gets 52.6 inches of rain, on average, per year. Boston, Massachusetts gets 47.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Issaquah averages 6.2 inches of snow per year. Boston averages 48.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Issaquah, Washington
Summer High: the July high is around 75.6 degrees
Winter Low: the January low is 35.3
Rain: averages 52.6 inches of rain a year
Snow: averages 6.2 inches of snow a year

Boston, Massachusetts
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 19.2
Rain: averages 47.4 inches of rain a year
Snow: averages 48.1 inches of snow a year

BestPlaces Comfort Index
Issaquah

The annual BestPlaces Comfort Index for Issaquah is 7.1 (10=best), which means it is about average compared to other places in Washington.

7.1 / 10
August, July and September are the most pleasant months in Issaquah, while December and January are the least comfortable months.

Boston

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

6.9 / 10
August, June and September are the most pleasant months in Boston, while January and February are the least comfortable months.

Average Monthly High / Low (°F)
MonthBoston, MAIssaquah, WA
January36° / 19°46° / 35°
February39° / 22°49° / 35°
March46° / 29°53° / 37°
April57° / 38°58° / 40°
May68° / 47°64° / 45°
June77° / 57°70° / 50°
July82° / 63°76° / 54°
August81° / 61°76° / 54°
September73° / 54°70° / 49°
October62° / 42°59° / 43°
November52° / 34°50° / 38°
December41° / 25°44° / 34°
Hot, Freezing, Rainy, Snowy Days: Boston / Issaquah
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 027 / 912 / 207 / 1
February0 / 024 / 910 / 166 / 1
March0 / 019 / 512 / 195 / 0
April0 / 06 / 212 / 171 / 0
May1 / 01 / 012 / 150 / 0
June2 / 00 / 011 / 110 / 0
July5 / 10 / 010 / 70 / 0
August3 / 10 / 010 / 60 / 0
September1 / 00 / 09 / 90 / 0
October0 / 04 / 110 / 150 / 0
November0 / 012 / 511 / 201 / 1
December0 / 024 / 1112 / 195 / 2
July is the hottest month for Boston with an average high temperature of 82.4°, which ranks it as warmer than most places in Massachusetts. In Boston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boston are June, August and July.

August is the hottest month for Issaquah with an average high temperature of 76.1°, which ranks it as cooler than most places in Washington. In Issaquah, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Issaquah are August, July and September.
January has the coldest nighttime temperatures for Boston with an average of 19.2°. This is about average compared to other places in Massachusetts.

December has the coldest nighttime temperatures for Issaquah with an average of 33.9°. This is warmer than most places in Washington.

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

In Issaquah, there are 3.1 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

In Boston, there are 116.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Massachusetts.

In Issaquah, there are 43.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

In Boston, there are 1.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Massachusetts.

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

March is the wettest month in Boston with 4.6 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Summer with 26% of yearly precipitation and 24% occurs in Spring, which is the driest season. The annual rainfall of 47.4 inches in Boston means that it is drier than most places in Massachusetts.


November is the wettest month in Issaquah with 8.6 inches of rain, and the driest month is July with 1.2 inches. The wettest season is Spring with 36% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 52.6 inches in Issaquah means that it is wetter than most places in Washington.

May is the rainiest month in Boston with 12.4 days of rain, and September is the driest month with only 8.9 rainy days. There are 130.0 rainy days annually in Boston, 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.

November is the rainiest month in Issaquah with 20.4 days of rain, and August is the driest month with only 5.7 rainy days. There are 173.4 rainy days annually in Issaquah, which is rainier than most places in Washington. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 14% chance of a rainy day.

An annual snowfall of 48.1 inches in Boston means that it is snowier than most places in Massachusetts.

An annual snowfall of 6.2 inches in Issaquah means that it is about average compared to other places in Washington.
January is the snowiest month in Boston with 14.2 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Issaquah with 1.9 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Boston    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Boston

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Reviews for Issaquah    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Issaquah

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Zips In Boston, Massachusetts
02124, 02128, 02135, 02130, 02127, 02125, 02136, 02131, 02115, 02126, 30 total
Zips In ISSAQUAH, WASHINGTON
98027, 98029
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