Nagasaki, Nagasaki
Moderate4.6
UV Index · Now
Hat & SPF.
A hat and SPF 30 are enough for most people.
Unprotected
43 min
until skin starts to burn.
With SPF 30
21 hr 44 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
18°
Feels like
18°
Humidity
70%
Questions about Nagasaki today
- What is the UV index in Nagasaki right now?
- The UV index in Nagasaki, Nagasaki is 4.6 — categorised as Moderate. A hat and SPF 30 are enough for most people.
- Is it safe to go outside in Nagasaki today?
- Yes — UV is moderate (4.6) in Nagasaki right now. A hat and SPF 30 are enough for most people.
- How long does it take to get sunburn in Nagasaki?
- Average unprotected skin starts to burn in roughly 43 min at the current UV index of 4.6 in Nagasaki. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Nagasaki today?
- Air temperature is 18°C with 70% humidity, giving a "feels like" reading of 18°C — comfortable.
- When is the safest time to step outside in Nagasaki?
- 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 Nagasaki, especially through summer.