UV Index in Charleston

Real-time UV forecast & tanning weather

Current Conditions

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Weather data by Open-Meteo (CC BY 4.0)

Monthly UV Index in Charleston

Average daily maximum UV index by month

Jan
6
High
Feb
6
High
Mar
7
High
Apr
8
Very High
May
9
Very High
Jun
10
Very High
Jul
10
Very High
Aug
10
Very High
Sep
9
Very High
Oct
8
Very High
Nov
7
High
Dec
6
High

Best Months to Tan in Charleston

Based on average UV levels, the best months for tanning in Charleston are:

March Great April Great May Excellent June Excellent July Excellent August Excellent September Excellent October Great November Great

Rating based on average monthly UV index

Tanning Guide for Charleston

Charleston boasts a subtropical climate with strong UV rays present year-round, making tanning a year-round possibility, though summer humidity can be high. Find your perfect tanning spot on Folly Beach or Sullivan's Island, ideally during the morning or late afternoon to avoid the midday peak intensity.

Charleston enjoys strong UV from spring through fall. Peak tanning season runs March to November, with UV often exceeding 8.

Related Guides

Tanning in UV 9-10 → Best Time of Day to Tan → Safe Tanning Tips →

Frequently Asked Questions

What is the UV index in Charleston right now?
The current UV index in Charleston is shown in the live weather section above. UV levels change throughout the day, typically peaking between 11 AM and 2 PM local time.
What is the best month to tan in Charleston?
The best months for tanning in Charleston are March, April, May, June, July, August, September, October, November, when average UV levels reach 7 or higher.
How long should I tan in Charleston?
Tanning time depends on your skin type and the current UV index. For a moderate UV of 9, a person with Skin Type III (medium complexion) can safely tan for about 17 minutes per session. Use our Tanning Calculator for personalized recommendations.
Is it safe to tan in UV index 10?
UV index 10 is classified as Very High. Very High — avoid prolonged sun exposure. Short tanning sessions with SPF 50+ recommended.
When is the peak UV time in Charleston?
UV levels in Charleston typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.

UV Index in Nearby Cities

11
Miami
Peak UV
› 11
Los Angeles
Peak UV
› 11
San Diego
Peak UV
› 12
Honolulu
Peak UV
› 12
Phoenix
Peak UV
› 12
Las Vegas
Peak UV
›

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