Sanya, Hainan
Low1.3
UV Index · Now
Step out.
You can step out without sun protection.
Unprotected
2 hr 40 min
until skin starts to burn.
With SPF 30
80 hr
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatCaution
Air
27°
Feels like
32°
Humidity
91%
Questions about Sanya today
- What is the UV index in Sanya right now?
- The UV index in Sanya, Hainan is 1.3 — categorised as Low. You can step out without sun protection.
- Is it safe to go outside in Sanya today?
- Yes — UV is low (1.3) in Sanya right now. You can step out without sun protection.
- How long does it take to get sunburn in Sanya?
- Average unprotected skin starts to burn in roughly 2 hr 40 min at the current UV index of 1.3 in Sanya. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Sanya today?
- Air temperature is 27°C with 91% humidity, giving a "feels like" reading of 32°C — caution.
- When is the safest time to step outside in Sanya?
- 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 Sanya, especially through summer.