2025 Compare Cities Climate:
Irmo, SC vs Sumter, SC

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Highlights
- Sumter has 5.8% more rainy days than Irmo.
- Sumter has 0.0% more Sunny Days than Irmo.
- On the BestPlaces comfort index, Sumter scores 2.8% better than Irmo
 Irmo, SCSumter, SCUnited States
 Rainfall  Unlock4738
 Snowfall1  Unlock28
 Precipitation  Unlock104106
 Sunny222  Unlock205
 Avg. July High  Unlock9286
 Avg. Jan. Low30  Unlock22
 Comfort Index (higher=better)  Unlock7.47
 UV Index4.9  Unlock4.3
 Elevation  Unlock1712443
Reviews for Irmo    9 Reviews

I grew up in near Annapolis MD but lived in both Savannah and Atlanta GA for twenty years. Moved to Columbia in 2009 working in IT for SC Dept of Education. Had an  More

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...there's something for  More

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Over 15 years ago

Any thing I should know about  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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