2025 Compare Cities Climate:
Casper, WY vs Sun Valley, ID

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Highlights
- Sun Valley has 5.4% more rainy days than Casper.
- Sun Valley has 6.8% less Sunny Days than Casper.
- On the BestPlaces comfort index, Sun Valley scores 7.4% worse than Casper
 Casper, WYSun Valley, IDUnited States
 Rainfall  Unlock1438
 Snowfall70  Unlock28
 Precipitation  Unlock78106
 Sunny220  Unlock205
 Avg. July High  Unlock8286
 Avg. Jan. Low15  Unlock22
 Comfort Index (higher=better)  Unlock6.37
 UV Index4.9  Unlock4.3
 Elevation  Unlock59452443
Reviews for Casper    36 Reviews

Wyoming is an interesting place. From vast mountains that pulls you towards them to flat plains as far as the eye can see. The people are same as every where else other  More

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Over 4 years ago

I've lived here 3 mo..... this place is run my retired Republicans that have nothing better to do then mess up other people's day. The town is very poorly taken care  More

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Over 5 years ago

I lived here for one year (78-79). Saw a lot of cold weather and snow. Most cars had sprung doors from severe winds taking them out of their owners hands. Might have  More

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Reviews for Sun Valley    5 Reviews

Young people living in Sun Valley, unless they have a trust fund can expect to have a difficult time here. The average age seems to be approx 78. Any business that is  More

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Absolutely beautiful. Nice people. Amazing skiing...all types of recreation for anyone and everyone. Summer temperatures are perfect. It's sunny more than 250 days  More

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Over 19 years ago

Winters are long, and summers can be short!!! The physcial beauty of the area is unbeatable,  More

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