2025 Compare Climate & Weather:
Hailey, ID vs Sun Valley, ID

Highlights

On average, there are 205 sunny days per year in Sun Valley. Hailey averages 209 sunny days per year. The US average is 205 sunny days.

Sun Valley, Idaho gets 13.7 inches of rain, on average, per year. Hailey, Idaho gets 15.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sun Valley averages 101.9 inches of snow per year. Hailey averages 89.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Hailey, Idaho
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 8.8
Rain: averages 15.5 inches of rain a year
Snow: averages 89.9 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Hailey is 6.4 (10=best), which means it is less comfortable than most places in Idaho.

Today's Weather - Hailey, ID

52°F

Today's Weather - Sun Valley, ID

46°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hailey / Sun Valley

July is the hottest month for Hailey with an average high temperature of 83.5°, which ranks it as cooler than most places in Idaho. In Hailey, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hailey are August, July and June.

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.

January has the coldest nighttime temperatures for Hailey with an average of 8.8°. This is colder than most places in Idaho.

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

In Hailey, there are 8.7 days annually when the high temperature is over 90°, which is cooler than most places in Idaho.

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 Hailey, there are 201.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

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 Hailey, there are 16.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

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.

December is the wettest month in Hailey with 2.3 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 36% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 15.5 inches in Hailey means that it is about average compared to other places in Idaho.


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.

December is the rainiest month in Hailey with 8.3 days of rain, and August is the driest month with only 3.3 rainy days. There are 73.6 rainy days annually in Hailey, which is one of the least rainy places in Idaho. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 18% chance of a rainy day.

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.

An annual snowfall of 89.9 inches in Hailey means that it is one of the snowiest places in Idaho.

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

December is the snowiest month in Hailey with 26.0 inches of snow, and 8 months of the year have significant snowfall.

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