2025 Compare Cities Climate:
Grass Valley, CA vs Helena, MT

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Highlights
- Helena has 77.1% less rainy days than Grass Valley.
- Helena has 22.2% less Sunny Days than Grass Valley.
- On the BestPlaces comfort index, Helena scores 16.5% worse than Grass Valley
 Grass Valley, CAHelena, MTUnited States
 Rainfall  Unlock1338
 Snowfall11  Unlock28
 Precipitation  Unlock90106
 Sunny243  Unlock205
 Avg. July High  Unlock8386
 Avg. Jan. Low34  Unlock22
 Comfort Index (higher=better)  Unlock6.67
 UV Index5  Unlock4.3
 Elevation  Unlock40452443
Reviews for Grass Valley    15 Reviews

I've lived many places in California. I've now lived in Grass Valley for 2 years. Grass Valley and it's sister Nevada City are adorable little towns full of history and  More

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Grass valley has become a sad place to live. I was born and raised here and can no longer afford to raise my small family here. Look up the median annual wage and the  More

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I'm 25 years old and I've lived in this town all of my life, and I'm saving every single dollar I make to leave here and never come back. It's a shame, because at one  More

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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 3 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 5 years ago

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

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