2026 Compare Cities Climate:
Helena, MT vs Sun Valley, ID

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Highlights
- Sun Valley has 8.7% more rainy days than Helena.
- Sun Valley has 8.5% more Sunny Days than Helena.
- On the BestPlaces comfort index, Sun Valley scores 4.5% worse than Helena
 Helena, MTSun Valley, IDUnited States
 Rainfall  Unlock1438
 Snowfall42  Unlock28
 Precipitation  Unlock78106
 Sunny189  Unlock205
 Avg. July High  Unlock8286
 Avg. Jan. Low14  Unlock22
 Comfort Index (higher=better)  Unlock6.37
 UV Index3.9  Unlock4.3
 Elevation  Unlock59452443
Reviews for Helena    17 Reviews

I spent 6 months living on a ranch in the Helena valley. This was during the population boom Montana experienced after covid. Helena has some great mountain biking  More

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Over 4 years ago

We transplanted from Southern California 3 years ago and have never looked back! Living in the small unincorporated town of York Montana located in the Helena nation  More

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Over 6 years ago

I lived here for 16 years. It is a great place to grow  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 20 years ago

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

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