Sasebo, Nagasaki
Low1.0
UV Index · Now
Step out.
You can step out without sun protection.
Unprotected
3 hr 20 min
until skin starts to burn.
With SPF 30
100 hr
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
15°
Feels like
15°
Humidity
82%
Questions about Sasebo today
- What is the UV index in Sasebo right now?
- The UV index in Sasebo, Nagasaki is 1.0 — categorised as Low. You can step out without sun protection.
- Is it safe to go outside in Sasebo today?
- Yes — UV is low (1.0) in Sasebo right now. You can step out without sun protection.
- How long does it take to get sunburn in Sasebo?
- Average unprotected skin starts to burn in roughly 3 hr 20 min at the current UV index of 1.0 in Sasebo. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Sasebo today?
- Air temperature is 15°C with 82% humidity, giving a "feels like" reading of 15°C — comfortable.
- When is the safest time to step outside in Sasebo?
- 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 Sasebo, especially through summer.