2025 Compare Climate & Weather:
Sun Valley, ID vs Crested Butte, CO

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Highlights

On average, there are 273 sunny days per year in Crested Butte. Sun Valley averages 205 sunny days per year. The US average is 205 sunny days.

Crested Butte, Colorado gets 20 inches of rain, on average, per year. Sun Valley, Idaho gets 13.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Crested Butte averages 196.9 inches of snow per year. Sun Valley averages 101.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Crested Butte, Colorado
Summer High: the July high is around 73.6 degrees
Winter Low: the January low is -5.8
Rain: averages 20 inches of rain a year
Snow: averages 196.9 inches of snow a year

Sun Valley, Idaho
Summer High: the July high is around 81.8 degrees
Winter Low: the January low is 7.6
Rain: averages 13.7 inches of rain a year
Snow: averages 101.9 inches of snow a year

BestPlaces Comfort Index

Crested Butte

The annual BestPlaces Comfort Index for Crested Butte is 5.4 (10=best), which means it is one of the least comfortable places in Colorado.

5.4 / 10

July, August and June are the most pleasant months in Crested Butte, while December and January are the least comfortable months.

Sun Valley

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

6.3 / 10

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

Average Monthly High / Low (°F)

Month	Sun Valley, ID	Crested Butte, CO
January	31° / 8°	28° / -6°
February	35° / 10°	32° / -2°
March	44° / 20°	39° / 7°
April	54° / 27°	46° / 19°
May	63° / 35°	57° / 29°
June	71° / 41°	68° / 35°
July	82° / 47°	74° / 41°
August	81° / 45°	71° / 40°
September	71° / 37°	64° / 33°
October	58° / 28°	53° / 24°
November	41° / 18°	39° / 12°
December	30° / 8°	28° / -2°

Hot, Freezing, Rainy, Snowy Days: Sun Valley / Crested Butte

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	31 / 31	8 / 9	8 / 10
February	0 / 0	28 / 28	7 / 9	7 / 10
March	0 / 0	29 / 31	7 / 9	5 / 10
April	0 / 0	23 / 29	7 / 9	2 / 8
May	0 / 0	10 / 21	8 / 8	0 / 3
June	0 / 0	3 / 8	8 / 7	0 / 0
July	3 / 0	0 / 1	5 / 11	0 / 0
August	2 / 0	1 / 2	5 / 13	0 / 0
September	0 / 0	7 / 13	5 / 9	0 / 1
October	0 / 0	22 / 27	5 / 8	1 / 4
November	0 / 0	29 / 30	7 / 8	5 / 8
December	0 / 0	31 / 31	8 / 9	9 / 10

July is the hottest month for Sun Valley with an average high temperature of 81.8°, which ranks it as cooler than most places in Idaho. In Sun Valley, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sun Valley are August, July and June.

July is the hottest month for Crested Butte with an average high temperature of 73.6°, which ranks it as one of the coolest places in Colorado. In Crested Butte, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Crested Butte are July, August and June.

January has the coldest nighttime temperatures for Sun Valley with an average of 7.6°. This is one of the coldest places in Idaho.

January has the coldest nighttime temperatures for Crested Butte with an average of -5.8°. This is one of the coldest places in Colorado.

In Sun Valley, there are 4.9 days annually when the high temperature is over 90°, which is one of the coolest places in Idaho.

In Crested Butte, there are 0.0 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

In Sun Valley, there are 211.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

In Crested Butte, there are 251.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Colorado.

In Sun Valley, there are 21.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

In Crested Butte, there are 68.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Colorado.

December is the wettest month in Sun Valley with 1.7 inches of rain, and the driest month is August with 0.6 inches. The wettest season is Spring with 32% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 13.7 inches in Sun Valley means that it is about average compared to other places in Idaho.

August is the wettest month in Crested Butte with 2.1 inches of rain, and the driest month is June with 1.1 inches. The wettest season is Spring with 26% of yearly precipitation and 23% occurs in Summer, which is the driest season. The annual rainfall of 20.0 inches in Crested Butte means that it is wetter than most places in Colorado.

May is the rainiest month in Sun Valley with 8.4 days of rain, and September is the driest month with only 4.5 rainy days. There are 77.8 rainy days annually in Sun Valley, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

August is the rainiest month in Crested Butte with 12.6 days of rain, and June is the driest month with only 7.1 rainy days. There are 108.9 rainy days annually in Crested Butte, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 101.9 inches in Sun Valley means that it is one of the snowiest places in Idaho.

An annual snowfall of 196.9 inches in Crested Butte means that it is one of the snowiest places in Colorado.

December is the snowiest month in Sun Valley with 28.4 inches of snow, and 8 months of the year have significant snowfall.

December is the snowiest month in Crested Butte with 36.9 inches of snow, and 10 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 Sun Valley 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

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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 Crested Butte 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 Crested Butte

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2025 Compare Climate & Weather:
Sun Valley, ID vs Crested Butte, CO

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sun Valley / Crested Butte

January has the coldest nighttime temperatures for Sun Valley with an average of 7.6°. This is one of the coldest places in Idaho.

January has the coldest nighttime temperatures for Crested Butte with an average of -5.8°. This is one of the coldest places in Colorado.

In Sun Valley, there are 4.9 days annually when the high temperature is over 90°, which is one of the coolest places in Idaho.

In Crested Butte, there are 0.0 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

In Sun Valley, there are 211.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

In Crested Butte, there are 251.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Colorado.

In Sun Valley, there are 21.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

In Crested Butte, there are 68.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Colorado.

An annual snowfall of 101.9 inches in Sun Valley means that it is one of the snowiest places in Idaho.

An annual snowfall of 196.9 inches in Crested Butte means that it is one of the snowiest places in Colorado.

December is the snowiest month in Sun Valley with 28.4 inches of snow, and 8 months of the year have significant snowfall.

December is the snowiest month in Crested Butte with 36.9 inches of snow, and 10 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Sun Valley 2 Reviews

Reviews for Crested Butte 2 Reviews

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2025 Compare Climate & Weather:Sun Valley, ID vs Crested Butte, CO

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sun Valley / Crested Butte

January has the coldest nighttime temperatures for Sun Valley with an average of 7.6°. This is one of the coldest places in Idaho.January has the coldest nighttime temperatures for Crested Butte with an average of -5.8°. This is one of the coldest places in Colorado.

In Sun Valley, there are 4.9 days annually when the high temperature is over 90°, which is one of the coolest places in Idaho.In Crested Butte, there are 0.0 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

In Sun Valley, there are 211.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.In Crested Butte, there are 251.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Colorado.

In Sun Valley, there are 21.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.In Crested Butte, there are 68.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Colorado.

An annual snowfall of 101.9 inches in Sun Valley means that it is one of the snowiest places in Idaho.An annual snowfall of 196.9 inches in Crested Butte means that it is one of the snowiest places in Colorado.

December is the snowiest month in Sun Valley with 28.4 inches of snow, and 8 months of the year have significant snowfall.December is the snowiest month in Crested Butte with 36.9 inches of snow, and 10 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Sun Valley 2 Reviews

Reviews for Crested Butte 2 Reviews

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Zips In Sun Valley, Idaho

Zips In CRESTED BUTTE, COLORADO

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2025 Compare Climate & Weather:
Sun Valley, ID vs Crested Butte, CO

January has the coldest nighttime temperatures for Sun Valley with an average of 7.6°. This is one of the coldest places in Idaho.

January has the coldest nighttime temperatures for Crested Butte with an average of -5.8°. This is one of the coldest places in Colorado.

In Sun Valley, there are 4.9 days annually when the high temperature is over 90°, which is one of the coolest places in Idaho.

In Crested Butte, there are 0.0 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

In Sun Valley, there are 211.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

In Crested Butte, there are 251.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Colorado.

In Sun Valley, there are 21.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

In Crested Butte, there are 68.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Colorado.

An annual snowfall of 101.9 inches in Sun Valley means that it is one of the snowiest places in Idaho.

An annual snowfall of 196.9 inches in Crested Butte means that it is one of the snowiest places in Colorado.

December is the snowiest month in Sun Valley with 28.4 inches of snow, and 8 months of the year have significant snowfall.

December is the snowiest month in Crested Butte with 36.9 inches of snow, and 10 months of the year have significant snowfall.