San Diego, California
High6.3
UV Index · Now
Cover up.
Wear long sleeves, SPF 30+, and seek shade midday.
Unprotected
32 min
until skin starts to burn.
With SPF 30
15 hr 52 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
21°
Feels like
21°
Humidity
37%
Questions about San Diego today
- What is the UV index in San Diego right now?
- The UV index in San Diego, California is 6.3 — categorised as High. Wear long sleeves, SPF 30+, and seek shade midday.
- Is it safe to go outside in San Diego today?
- Caution — UV is high (6.3) in San Diego. Wear long sleeves, SPF 30+, and seek shade midday. The peak risk window is roughly 11 am to 4 pm.
- How long does it take to get sunburn in San Diego?
- Average unprotected skin starts to burn in roughly 32 min at the current UV index of 6.3 in San Diego. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in San Diego today?
- Air temperature is 21°C with 37% humidity, giving a "feels like" reading of 21°C — comfortable.
- When is the safest time to step outside in San Diego?
- UV is highest between 11 am and 4 pm. Early mornings (before 9 am) and late afternoons (after 5 pm) are the safest windows for unprotected skin in San Diego, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 8:30 AM · Refreshes every 30 minutes