UV Index Today in South Carolina (SC)

Friday, May 22, 2026 -12:26 PMEDT (GMT-4)

The average maximum UV Index today across 334 locations in South Carolina (SC), is 6.8. The highest projected maximum is 10.3 in North Myrtle Beach at 1:00 PM EDT, while the lowest projected maximum is 1 in Spartanburg at 5:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 6.2. The highest projected maximum is 9.9 in Daufuskie Island at 1:00 PM EDT, and the lowest projected maximum is 1.4 in The Cliffs Valley at 3:00 PM EDT.

46 Counties in South Carolina (SC)

Average Maximum UV Index Today
  • Charleston County - 10.1
  • Greenville County - 2.5
  • Horry County - 10.2
  • Lexington County - 8.5
  • Richland County - 8.5
  • Spartanburg County - 1.3
  • York County - 4.1

334 Places in South Carolina (SC)

Maximum UV Index Today