2025 Compare Cities Climate:
Johnston, IA vs Sumter, SC

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Highlights
- Sumter has 32.0% more rainy days than Johnston.
- Sumter has 11.6% more Sunny Days than Johnston.
- On the BestPlaces comfort index, Sumter scores 7.2% better than Johnston
 Johnston, IASumter, SCUnited States
 Rainfall  Unlock4738
 Snowfall34  Unlock28
 Precipitation  Unlock104106
 Sunny199  Unlock205
 Avg. July High  Unlock9286
 Avg. Jan. Low13  Unlock22
 Comfort Index (higher=better)  Unlock7.47
 UV Index4  Unlock4.3
 Elevation  Unlock1712443
Reviews for Johnston    2 Reviews

Over 6 years ago

Strong National Guard presence and very family-friendly. The library is the best one that I've ever visited. We moved here for the Army two years ago and will be leaving  More

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Over 16 years ago

Everyone here is rich. Really, really,  More

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Reviews for Sumter    11 Reviews

I work in Sumter. I have been thoroughly impressed by the talent that lives in the area. Folks who get it done. In terms of a place to live. Though Sumter has a  More

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Over 6 years ago

About me: I lived in Sumter from birth to around 22 years old. I have since lived in many states, and currently reside in CO, and love it. I prefer towns smaller than  More

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Over 14 years ago

We are a transplanted military family who always intended on retiring in Florida when we retired from the Air Force. We enjoy the small town feeling of Sumter and have  More

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