The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Portland, ME vs Rochester, WA

2025 Compare Climate & Weather:
Portland, ME vs Rochester, WA

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Highlights

On average, there are 136 sunny days per year in Rochester. Portland averages 203 sunny days per year. The US average is 205 sunny days.

Rochester, Washington gets 50.6 inches of rain, on average, per year. Portland, Maine gets 48.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Rochester averages 5.7 inches of snow per year. Portland averages 61 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Rochester, Washington
Summer High: the July high is around 77.8 degrees
Winter Low: the January low is 34.6
Rain: averages 50.6 inches of rain a year
Snow: averages 5.7 inches of snow a year

Portland, Maine
Summer High: the July high is around 78.8 degrees
Winter Low: the January low is 10.8
Rain: averages 48.9 inches of rain a year
Snow: averages 61 inches of snow a year

BestPlaces Comfort Index
Rochester

The annual BestPlaces Comfort Index for Rochester is 7.2 (10=best), which means it is more comfortable than most places in Washington.

7.2 / 10
July, August and September are the most pleasant months in Rochester, while December and January are the least comfortable months.

Portland

The annual BestPlaces Comfort Index for Portland is 6.5 (10=best), which means it is more comfortable than most places in Maine.

6.5 / 10
August, July and June are the most pleasant months in Portland, while January and February are the least comfortable months.

Average Monthly High / Low (°F)
MonthPortland, MERochester, WA
January31° / 11°47° / 35°
February34° / 14°50° / 34°
March42° / 23°55° / 36°
April54° / 33°61° / 39°
May64° / 43°67° / 44°
June73° / 53°72° / 49°
July79° / 58°78° / 52°
August78° / 57°79° / 52°
September70° / 49°73° / 47°
October59° / 37°62° / 42°
November48° / 29°51° / 37°
December37° / 18°45° / 34°
Hot, Freezing, Rainy, Snowy Days: Portland / Rochester
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 030 / 1111 / 208 / 1
February0 / 026 / 119 / 166 / 1
March0 / 026 / 911 / 185 / 0
April0 / 013 / 411 / 161 / 0
May0 / 02 / 112 / 120 / 0
June1 / 10 / 012 / 90 / 0
July2 / 30 / 011 / 40 / 0
August1 / 20 / 09 / 40 / 0
September0 / 11 / 09 / 70 / 0
October0 / 09 / 210 / 140 / 0
November0 / 020 / 711 / 201 / 0
December0 / 028 / 1211 / 196 / 1
July is the hottest month for Portland with an average high temperature of 78.8°, which ranks it as about average compared to other places in Maine. 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 August, July and June.

August is the hottest month for Rochester with an average high temperature of 78.7°, which ranks it as about average compared to other places in Washington. In Rochester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rochester are July, August and September.
January has the coldest nighttime temperatures for Portland with an average of 10.8°. This is warmer than most places in Maine.

December has the coldest nighttime temperatures for Rochester with an average of 33.5°. This is about average compared to other places in Washington.

In Portland, there are 3.8 days annually when the high temperature is over 90°, which is hotter than most places in Maine.

In Rochester, there are 6.3 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

In Portland, there are 154.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maine.

In Rochester, there are 56.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In Portland, there are 12.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maine.

In Rochester, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

November is the wettest month in Portland with 5.0 inches of rain, and the driest month is August with 3.3 inches. The wettest season is Winter with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.9 inches in Portland means that it is about average compared to other places in Maine.


November is the wettest month in Rochester with 8.6 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 50.6 inches in Rochester means that it is wetter than most places in Washington.

May is the rainiest month in Portland with 12.4 days of rain, and February is the driest month with only 9.2 rainy days. There are 128.3 rainy days annually in Portland, which is about average compared to other places in Maine. 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.

November is the rainiest month in Rochester with 20.3 days of rain, and July is the driest month with only 4.4 rainy days. There are 159.6 rainy days annually in Rochester, which is about average compared to other places in Washington. 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.

An annual snowfall of 61.0 inches in Portland means that it is less snowy than most places in Maine.

An annual snowfall of 5.7 inches in Rochester means that it is about average compared to other places in Washington.
January is the snowiest month in Portland with 18.1 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Rochester with 2.3 inches of snow, and 4 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 Rochester    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 Rochester

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Zips In Portland, Maine
04103, 04102, 04101, 04108, 04109, 04019
Zips In ROCHESTER, WASHINGTON
98579
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