Okaya, Nagano
Moderate5.5
UV Index · Now
Hat & SPF.
A hat and SPF 30 are enough for most people.
Unprotected
37 min
until skin starts to burn.
With SPF 30
18 hr 21 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
16°
Feels like
16°
Humidity
43%
Questions about Okaya today
- What is the UV index in Okaya right now?
- The UV index in Okaya, Nagano is 5.5 — categorised as Moderate. A hat and SPF 30 are enough for most people.
- Is it safe to go outside in Okaya today?
- Yes — UV is moderate (5.5) in Okaya right now. A hat and SPF 30 are enough for most people.
- How long does it take to get sunburn in Okaya?
- Average unprotected skin starts to burn in roughly 37 min at the current UV index of 5.5 in Okaya. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Okaya today?
- Air temperature is 16°C with 43% humidity, giving a "feels like" reading of 16°C — comfortable.
- When is the safest time to step outside in Okaya?
- 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 Okaya, especially through summer.