2026 Compare Cities Climate:
Helena, MT vs San Diego, CA

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Highlights
- San Diego has 7.1% less rainy days than Helena.
- San Diego has 40.7% more Sunny Days than Helena.
- On the BestPlaces comfort index, San Diego scores 39.4% better than Helena
 Helena, MTSan Diego, CAUnited States
 Rainfall  Unlock1238
 Snowfall42  Unlock28
 Precipitation  Unlock38106
 Sunny189  Unlock205
 Avg. July High  Unlock7986
 Avg. Jan. Low14  Unlock22
 Comfort Index (higher=better)  Unlock9.27
 UV Index3.9  Unlock4.3
 Elevation  Unlock622443
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 San Diego    319 Reviews

I have lived in San Diego for more than half my life (I am 30) and love it. It has something for everyone and more from arts, to sporting events, and all cuisine is  More

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The only real knock again San Diego is the cost of living, but it is paradise compared to most cities of similar size. Those who complain about the traffic here or say  More

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I have lived in San Diego since 1968 and I am now almost 62 years old. I love San Diego, I really do. But it has become so crowded and so expensive over the years. It  More

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