The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Columbia Falls, MT vs Portsmouth, NH

2025 Compare Climate & Weather:
Columbia Falls, MT vs Portsmouth, NH

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Highlights

On average, there are 198 sunny days per year in Portsmouth. Columbia Falls averages 152 sunny days per year. The US average is 205 sunny days.

Portsmouth, New Hampshire gets 50.1 inches of rain, on average, per year. Columbia Falls, Montana gets 18.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Portsmouth averages 53.2 inches of snow per year. Columbia Falls averages 56.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Portsmouth, New Hampshire
Summer High: the July high is around 81.9 degrees
Winter Low: the January low is 13.8
Rain: averages 50.1 inches of rain a year
Snow: averages 53.2 inches of snow a year

Columbia Falls, Montana
Summer High: the July high is around 80.7 degrees
Winter Low: the January low is 16.3
Rain: averages 18.2 inches of rain a year
Snow: averages 56.5 inches of snow a year

BestPlaces Comfort Index
Portsmouth

The annual BestPlaces Comfort Index for Portsmouth is 6.8 (10=best), which means it is one of the most pleasant places in New Hampshire.

6.8 / 10
August, July and June are the most pleasant months in Portsmouth, while January and December are the least comfortable months.

Columbia Falls

The annual BestPlaces Comfort Index for Columbia Falls is 6.3 (10=best), which means it is less comfortable than most places in Montana.

6.3 / 10
July, August and June are the most pleasant months in Columbia Falls, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthColumbia Falls, MTPortsmouth, NH
January31° / 16°33° / 14°
February36° / 18°37° / 17°
March45° / 25°45° / 24°
April56° / 31°57° / 34°
May65° / 39°68° / 44°
June71° / 45°77° / 53°
July81° / 49°82° / 58°
August81° / 48°81° / 57°
September69° / 39°73° / 49°
October55° / 30°61° / 38°
November40° / 24°50° / 31°
December30° / 16°39° / 21°
Hot, Freezing, Rainy, Snowy Days: Columbia Falls / Portsmouth
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 029 / 3013 / 1010 / 6
February0 / 026 / 2610 / 86 / 4
March0 / 026 / 2411 / 104 / 4
April0 / 017 / 1311 / 112 / 1
May0 / 05 / 212 / 110 / 0
June0 / 20 / 013 / 110 / 0
July4 / 30 / 07 / 100 / 0
August5 / 30 / 07 / 90 / 0
September0 / 13 / 18 / 90 / 0
October0 / 018 / 99 / 101 / 0
November0 / 025 / 1812 / 105 / 1
December0 / 030 / 2814 / 1010 / 4
August is the hottest month for Columbia Falls with an average high temperature of 80.9°, which ranks it as cooler than most places in Montana. In Columbia Falls, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Columbia Falls are July, August and June.

July is the hottest month for Portsmouth with an average high temperature of 81.9°, which ranks it as warmer than most places in New Hampshire. In Portsmouth, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portsmouth are June, August and July.
January has the coldest nighttime temperatures for Columbia Falls with an average of 16.3°. This is warmer than most places in Montana.

January has the coldest nighttime temperatures for Portsmouth with an average of 13.8°. This is one of the warmest places in New Hampshire.

In Columbia Falls, there are 9.4 days annually when the high temperature is over 90°, which is cooler than most places in Montana.

In Portsmouth, there are 8.0 days annually when the high temperature is over 90°, which is hotter than most places in New Hampshire.

In Columbia Falls, there are 180.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.

In Portsmouth, there are 149.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Hampshire.

In Columbia Falls, there are 9.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Montana.

In Portsmouth, there are 7.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Hampshire.

June is the wettest month in Columbia Falls with 2.8 inches of rain, and the driest month is February with 1.1 inches. The wettest season is Autumn with 30% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 18.2 inches in Columbia Falls means that it is wetter than most places in Montana.


November is the wettest month in Portsmouth with 4.8 inches of rain, and the driest month is January with 3.5 inches. The wettest season is Summer with 28% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 50.1 inches in Portsmouth means that it is one of the wettest places in New Hampshire.

December is the rainiest month in Columbia Falls with 13.8 days of rain, and August is the driest month with only 6.8 rainy days. There are 127.3 rainy days annually in Columbia Falls, which is one of the rainiest places in Montana. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

May is the rainiest month in Portsmouth with 11.4 days of rain, and February is the driest month with only 7.7 rainy days. There are 118.3 rainy days annually in Portsmouth, which is one of the least rainy places in New Hampshire. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 56.5 inches in Columbia Falls means that it is snowier than most places in Montana.

An annual snowfall of 53.2 inches in Portsmouth means that it is one of the least snowy places in New Hampshire.
December is the snowiest month in Columbia Falls with 18.0 inches of snow, and 7 months of the year have significant snowfall.

January is the snowiest month in Portsmouth with 16.7 inches of snow, and 6 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 Columbia Falls    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 Columbia Falls

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Reviews for Portsmouth    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 Portsmouth

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Zips In Columbia Falls, Montana
59912
Zips In PORTSMOUTH, NEW HAMPSHIRE
03801
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