UV Index in San Diego
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 San Diego
Average daily maximum UV index by month
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 9 | Very High |
| May | 10 | Very High |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very High |
| Sep | 8 | Very High |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Best Months to Tan in San Diego
Based on average UV levels, the best months for tanning in San Diego are:
March Great
April Excellent
May Excellent
June Excellent
July Excellent
August Excellent
September Great
Rating based on average monthly UV index
Tanning Guide for San Diego
Location & Climate
San Diego offers a near-perfect climate for tanning with plentiful sunshine and high UV levels for many months, complemented by refreshing ocean breezes. Explore the expansive beaches of Coronado or Mission Beach and time your sessions for the late morning or early afternoon when the sun is strongest.
Tanning Tips
San Diego enjoys strong UV from spring through fall. Peak tanning season runs March to September, with UV often exceeding 8.
Related Guides
Frequently Asked Questions
What is the UV index in San Diego right now?
The current UV index in San Diego 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 San Diego?
The best months for tanning in San Diego are March, April, May, June, July, August, September, when average UV levels reach 7 or higher.
How long should I tan in San Diego?
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 11?
UV index 11 is classified as Extreme. Extreme — stay in shade during peak hours. Tanning is not recommended without strong protection.
When is the peak UV time in San Diego?
UV levels in San Diego typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.
Get Personalized Tanning Sessions
Tan AI calculates your perfect tanning time based on real-time UV, your skin type, and goals.
