UV Index in Sullivan's Island
Real-time UV forecast & tanning weather
Current Conditions
Loading live weather data...Weather data by Open-Meteo (CC BY 4.0)
Monthly UV Index in Sullivan's Island
Average daily maximum UV index by month
Jan
3
Moderate
Feb
3
Moderate
Mar
5
Moderate
Apr
7
High
May
8
Very High
Jun
10
Very High
Jul
10
Very High
Aug
10
Very High
Sep
8
Very High
Oct
7
High
Nov
5
Moderate
Dec
3
Moderate
Best Months to Tan in Sullivan's Island
Based on average UV levels, the best months for tanning in Sullivan's Island are:
April Great
May Great
June Excellent
July Excellent
August Excellent
September Great
October Great
Rating based on average monthly UV index
Tanning Guide for Sullivan's Island
Sullivan's Island enjoys strong UV from spring through fall. Peak tanning season runs April to October, with UV often exceeding 8.
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Frequently Asked Questions
What is the UV index in Sullivan's Island right now?
The current UV index in Sullivan's Island 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 Sullivan's Island?
The best months for tanning in Sullivan's Island are April, May, June, July, August, September, October, when average UV levels reach 7 or higher.
How long should I tan in Sullivan's Island?
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 Sullivan's Island?
UV levels in Sullivan's Island typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.
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