UV Index
UV Index
Today's UV index in Myrtle Beach, United States 
will be up to 7.2, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-06-01
With Myrtle Beach's UV index reaching 7.2, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
The UV index in Myrtle Beach ranges from low to very high throughout the year, with the highest levels occurring in late spring and summer months, often reaching values above 8. Myrtle Beach experiences warm summers and mild winters, with the hottest months between June and August, while winters from December to February are cool but not freezing. Rainfall is spread throughout the year but peaks in summer due to thunderstorms. Compared to the wider southeastern United States, Myrtle Beach has a slightly milder winter and higher humidity. Neighboring coastal cities in South Carolina and North Carolina share similar weather but may vary slightly in temperature and rainfall patterns.
See the UV index hour by hour for Myrtle Beach, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.