2026 Compare Cities Climate:
Sioux City, IA vs Helena, MT

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Highlights
- Helena has 57.3% less rainy days than Sioux City.
- Helena has 10.0% less Sunny Days than Sioux City.
- On the BestPlaces comfort index, Helena scores 5.7% worse than Sioux City
 Sioux City, IAHelena, MTUnited States
 Rainfall  Unlock1338
 Snowfall32  Unlock28
 Precipitation  Unlock90106
 Sunny210  Unlock205
 Avg. July High  Unlock8386
 Avg. Jan. Low10  Unlock22
 Comfort Index (higher=better)  Unlock6.67
 UV Index3.8  Unlock4.3
 Elevation  Unlock40452443
Reviews for Sioux City    12 Reviews

Over 8 years ago

I’ve been here only 4 months and I’m still shocked at how people behave. Not friendly, rude. Can’t tell you how many businesses I’ve been in to where the reception staff  More

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Climate in winter ranges from 10-15 degrees to 85+ in the summer 7% sale tax population @75,000, economy ok  More

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Over 15 years ago

Sioux City is an amazing place. Low crime rate, Great Schools, Great People, Most People are friendly and Polite. Just an overall great place to live!!!!!!!!!!!   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 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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