UV Index / United States / San Diego
UV Index in San Diego
Current UV index, monthly UV averages, and a practical tanning guide.
Live UV index
Live conditions are temporarily unavailable. Monthly UV averages are shown below.
Coordinates: 32.72, -117.16
Monthly UV index — San Diego
Jan3
Feb5
Mar7
Apr9
May10
Jun11
Jul11
Aug10
Sep8
Oct6
Nov4
Dec3
Best months for tanning
Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
Tanning guide
Peak UV in San Diego is typically 11. Use broad-spectrum SPF, limit midday exposure, and adjust time outdoors to your skin type and current conditions.
Frequently asked questions
What is the UV index in San Diego today?
Check the live conditions above for the latest local UV reading.
When is UV strongest?
UV is usually strongest around local midday. Cloud cover, season, altitude, and reflection can change exposure.