2025 Compare Climate & Weather:
Preston, ID vs Chehalis, WA

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Highlights

On average, there are 136 sunny days per year in Chehalis. Preston averages 206 sunny days per year. The US average is 205 sunny days.

Chehalis, Washington gets 51.7 inches of rain, on average, per year. Preston, Idaho gets 18.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chehalis averages 2.4 inches of snow per year. Preston averages 60 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chehalis, Washington
Summer High: the July high is around 78.4 degrees
Winter Low: the January low is 34.3
Rain: averages 51.7 inches of rain a year
Snow: averages 2.4 inches of snow a year

Preston, Idaho
Summer High: the July high is around 88.7 degrees
Winter Low: the January low is 13.9
Rain: averages 18.5 inches of rain a year
Snow: averages 60 inches of snow a year

BestPlaces Comfort Index

Chehalis

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

7.2 / 10

August, July and September are the most pleasant months in Chehalis, while December and January are the least comfortable months.

Preston

The annual BestPlaces Comfort Index for Preston is 6.6 (10=best), which means it is about average compared to other places in Idaho.

6.6 / 10

June, September and August are the most pleasant months in Preston, while January and December are the least comfortable months.

Average Monthly High / Low (°F)

Month	Preston, ID	Chehalis, WA
January	32° / 14°	47° / 34°
February	37° / 16°	51° / 34°
March	50° / 27°	56° / 36°
April	59° / 32°	61° / 39°
May	69° / 39°	67° / 44°
June	79° / 46°	72° / 49°
July	89° / 52°	78° / 52°
August	88° / 51°	80° / 51°
September	77° / 42°	74° / 47°
October	63° / 33°	62° / 42°
November	46° / 23°	51° / 37°
December	34° / 16°	45° / 33°

Hot, Freezing, Rainy, Snowy Days: Preston / Chehalis

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	30 / 11	10 / 20	6 / 0
February	0 / 0	27 / 11	9 / 17	5 / 0
March	0 / 0	24 / 8	10 / 19	4 / 0
April	0 / 0	14 / 4	10 / 17	2 / 0
May	0 / 0	4 / 1	11 / 14	0 / 0
June	3 / 1	0 / 0	6 / 11	0 / 0
July	14 / 3	0 / 0	5 / 5	0 / 0
August	11 / 3	0 / 0	5 / 5	0 / 0
September	1 / 1	2 / 1	6 / 8	0 / 0
October	0 / 0	13 / 3	8 / 15	1 / 0
November	0 / 0	26 / 7	9 / 20	3 / 0
December	0 / 0	30 / 12	11 / 20	7 / 0

July is the hottest month for Preston with an average high temperature of 88.7°, which ranks it as warmer than most places in Idaho. In Preston, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Preston are September, June and May.

August is the hottest month for Chehalis with an average high temperature of 79.5°, which ranks it as warmer than most places in Washington. In Chehalis, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chehalis are July, August and September.

January has the coldest nighttime temperatures for Preston with an average of 13.9°. This is colder than most places in Idaho.

December has the coldest nighttime temperatures for Chehalis with an average of 33.3°. This is about average compared to other places in Washington.

In Preston, there are 29.8 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In Chehalis, there are 7.1 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Preston, there are 169.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

In Chehalis, there are 58.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In Preston, there are 9.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

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

May is the wettest month in Preston with 2.3 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Summer with 33% of yearly precipitation and 16% occurs in Autumn, which is the driest season. The annual rainfall of 18.5 inches in Preston means that it is about average compared to other places in Idaho.

November is the wettest month in Chehalis with 8.5 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 39% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 51.7 inches in Chehalis means that it is wetter than most places in Washington.

May is the rainiest month in Preston with 10.8 days of rain, and July is the driest month with only 4.5 rainy days. There are 98.8 rainy days annually in Preston, which is about average compared to other places in Idaho. The rainiest season is Summer when it rains 31% of the time and the driest is Autumn with only a 16% chance of a rainy day.

November is the rainiest month in Chehalis with 20.4 days of rain, and August is the driest month with only 5.1 rainy days. There are 171.0 rainy days annually in Chehalis, which is rainier than most places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 60.0 inches in Preston means that it is snowier than most places in Idaho.

An annual snowfall of 2.4 inches in Chehalis means that it is less snowy than most places in Washington.

December is the snowiest month in Preston with 16.3 inches of snow, and 7 months of the year have significant snowfall.

February is the snowiest month in Chehalis with 0.7 inches of snow, and 3 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 Preston 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

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Reviews for Chehalis 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

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2025 Compare Climate & Weather:
Preston, ID vs Chehalis, WA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Preston / Chehalis

January has the coldest nighttime temperatures for Preston with an average of 13.9°. This is colder than most places in Idaho.

December has the coldest nighttime temperatures for Chehalis with an average of 33.3°. This is about average compared to other places in Washington.

In Preston, there are 29.8 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In Chehalis, there are 7.1 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Preston, there are 9.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

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

An annual snowfall of 60.0 inches in Preston means that it is snowier than most places in Idaho.

An annual snowfall of 2.4 inches in Chehalis means that it is less snowy than most places in Washington.

December is the snowiest month in Preston with 16.3 inches of snow, and 7 months of the year have significant snowfall.

February is the snowiest month in Chehalis with 0.7 inches of snow, and 3 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Preston 2 Reviews

Reviews for Chehalis 2 Reviews

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2025 Compare Climate & Weather:Preston, ID vs Chehalis, WA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Preston / Chehalis

January has the coldest nighttime temperatures for Preston with an average of 13.9°. This is colder than most places in Idaho.December has the coldest nighttime temperatures for Chehalis with an average of 33.3°. This is about average compared to other places in Washington.

In Preston, there are 29.8 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.In Chehalis, there are 7.1 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Preston, there are 9.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.In Chehalis, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

An annual snowfall of 60.0 inches in Preston means that it is snowier than most places in Idaho.An annual snowfall of 2.4 inches in Chehalis means that it is less snowy than most places in Washington.

December is the snowiest month in Preston with 16.3 inches of snow, and 7 months of the year have significant snowfall.February is the snowiest month in Chehalis with 0.7 inches of snow, and 3 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Preston 2 Reviews

Reviews for Chehalis 2 Reviews

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Zips In Preston, Idaho

Zips In CHEHALIS, WASHINGTON

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About BestPlaces

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2025 Compare Climate & Weather:
Preston, ID vs Chehalis, WA

January has the coldest nighttime temperatures for Preston with an average of 13.9°. This is colder than most places in Idaho.

December has the coldest nighttime temperatures for Chehalis with an average of 33.3°. This is about average compared to other places in Washington.

In Preston, there are 29.8 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In Chehalis, there are 7.1 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Preston, there are 9.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

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

An annual snowfall of 60.0 inches in Preston means that it is snowier than most places in Idaho.

An annual snowfall of 2.4 inches in Chehalis means that it is less snowy than most places in Washington.

December is the snowiest month in Preston with 16.3 inches of snow, and 7 months of the year have significant snowfall.

February is the snowiest month in Chehalis with 0.7 inches of snow, and 3 months of the year have significant snowfall.