Isahaya, Nagasaki
Moderate3.6
UV Index · Now
Hat & SPF.
A hat and SPF 30 are enough for most people.
Unprotected
55 min
until skin starts to burn.
With SPF 30
27 hr 24 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
17°
Feels like
17°
Humidity
70%
Questions about Isahaya today
- What is the UV index in Isahaya right now?
- The UV index in Isahaya, Nagasaki is 3.6 — categorised as Moderate. A hat and SPF 30 are enough for most people.
- Is it safe to go outside in Isahaya today?
- Yes — UV is moderate (3.6) in Isahaya right now. A hat and SPF 30 are enough for most people.
- How long does it take to get sunburn in Isahaya?
- Average unprotected skin starts to burn in roughly 55 min at the current UV index of 3.6 in Isahaya. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Isahaya today?
- Air temperature is 17°C with 70% humidity, giving a "feels like" reading of 17°C — comfortable.
- When is the safest time to step outside in Isahaya?
- 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 Isahaya, especially through summer.