South Carolina lightning map
South Carolina is highly thunderstorm-active in summer, with daily afternoon convection fueled by humid Atlantic air and sea-breeze fronts.
Cities in South Carolina
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Frequently asked
How many thunderstorm days does South Carolina get?
South Carolina averages about 50 thunderstorm days a year, versus a US average near 25. Activity peaks May–September.
When is thunderstorm season in South Carolina?
Lightning is most frequent May–September in South Carolina.