Sandu, 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.
HeatComfortable
Air
25°
Feels like
25°
Humidity
90%
Questions about Sandu today
- What is the UV index in Sandu right now?
- The UV index in Sandu, Hainan is 1.3 — categorised as Low. You can step out without sun protection.
- Is it safe to go outside in Sandu today?
- Yes — UV is low (1.3) in Sandu right now. You can step out without sun protection.
- How long does it take to get sunburn in Sandu?
- Average unprotected skin starts to burn in roughly 2 hr 40 min at the current UV index of 1.3 in Sandu. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Sandu today?
- Air temperature is 25°C with 90% humidity, giving a "feels like" reading of 25°C — comfortable.
- When is the safest time to step outside in Sandu?
- 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 Sandu, especially through summer.