The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Portland, OR vs Dennis, MA

2025 Compare Climate & Weather:
Portland, OR vs Dennis, MA

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Highlights

On average, there are 201 sunny days per year in Dennis. Portland averages 144 sunny days per year. The US average is 205 sunny days.

Dennis, Massachusetts gets 46.6 inches of rain, on average, per year. Portland, Oregon gets 42.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Dennis averages 24.8 inches of snow per year. Portland averages 2.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Dennis, Massachusetts
Summer High: the July high is around 78.7 degrees
Winter Low: the January low is 22.7
Rain: averages 46.6 inches of rain a year
Snow: averages 24.8 inches of snow a year

Portland, Oregon
Summer High: the July high is around 80.5 degrees
Winter Low: the January low is 36.4
Rain: averages 42.8 inches of rain a year
Snow: averages 2.6 inches of snow a year

BestPlaces Comfort Index
Dennis

The annual BestPlaces Comfort Index for Dennis is 7.1 (10=best), which means it is one of the most pleasant places in Massachusetts.

7.1 / 10
June, September and August are the most pleasant months in Dennis, while January and February are the least comfortable months.

Portland

The annual BestPlaces Comfort Index for Portland is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

7.5 / 10
August, July and September are the most pleasant months in Portland, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthPortland, ORDennis, MA
January48° / 36°38° / 23°
February52° / 37°40° / 24°
March57° / 40°45° / 30°
April62° / 43°53° / 38°
May68° / 48°63° / 48°
June74° / 52°72° / 57°
July81° / 56°79° / 63°
August81° / 56°78° / 63°
September76° / 52°71° / 56°
October64° / 46°62° / 45°
November53° / 40°53° / 38°
December46° / 36°44° / 29°
Hot, Freezing, Rainy, Snowy Days: Portland / Dennis
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 07 / 2519 / 101 / 3
February0 / 06 / 2315 / 90 / 3
March0 / 03 / 1818 / 100 / 2
April0 / 01 / 516 / 100 / 0
May1 / 00 / 113 / 90 / 0
June1 / 00 / 09 / 80 / 0
July4 / 10 / 04 / 70 / 0
August4 / 00 / 04 / 70 / 0
September1 / 00 / 07 / 70 / 0
October0 / 01 / 113 / 80 / 0
November0 / 03 / 919 / 90 / 0
December0 / 09 / 2119 / 111 / 2
August is the hottest month for Portland with an average high temperature of 81.1°, which ranks it as cooler than most places in Oregon. In Portland, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portland are September, July and August.

July is the hottest month for Dennis with an average high temperature of 78.7°, which ranks it as one of the coolest places in Massachusetts. In Dennis, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dennis are August, July and June.
December has the coldest nighttime temperatures for Portland with an average of 35.6°. This is warmer than most places in Oregon.

January has the coldest nighttime temperatures for Dennis with an average of 22.7°. This is one of the warmest places in Massachusetts.

In Portland, there are 11.6 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Dennis, there are 1.2 days annually when the high temperature is over 90°, which is one of the coolest places in Massachusetts.

In Portland, there are 29.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Dennis, there are 101.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Massachusetts.

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

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

December is the wettest month in Portland with 6.8 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.8 inches in Portland means that it is about average compared to other places in Oregon.


March is the wettest month in Dennis with 4.7 inches of rain, and the driest month is July with 3.1 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 46.6 inches in Dennis means that it is drier than most places in Massachusetts.

November is the rainiest month in Portland with 19.3 days of rain, and August is the driest month with only 3.7 rainy days. There are 155.9 rainy days annually in Portland, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

December is the rainiest month in Dennis with 10.9 days of rain, and July is the driest month with only 7.0 rainy days. There are 106.2 rainy days annually in Dennis, which is less rainy than most places in Massachusetts. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 2.6 inches in Portland means that it is less snowy than most places in Oregon.

An annual snowfall of 24.8 inches in Dennis means that it is one of the least snowy places in Massachusetts.
December is the snowiest month in Portland with 0.9 inches of snow, and 3 months of the year have significant snowfall.

February is the snowiest month in Dennis with 8.4 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 Portland    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 Portland

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Reviews for Dennis    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 Dennis

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Zips In Portland, Oregon
97206, 97202, 97233, 97219, 97236, 97230, 97211, 97266, 97217, 97203, 28 total
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