Iwamizawa, Hokkaido
Moderate4.2
UV Index · Now
Hat & SPF.
A hat and SPF 30 are enough for most people.
Unprotected
48 min
until skin starts to burn.
With SPF 30
23 hr 49 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
10°
Feels like
10°
Humidity
52%
Questions about Iwamizawa today
- What is the UV index in Iwamizawa right now?
- The UV index in Iwamizawa, Hokkaido is 4.2 — categorised as Moderate. A hat and SPF 30 are enough for most people.
- Is it safe to go outside in Iwamizawa today?
- Yes — UV is moderate (4.2) in Iwamizawa right now. A hat and SPF 30 are enough for most people.
- How long does it take to get sunburn in Iwamizawa?
- Average unprotected skin starts to burn in roughly 48 min at the current UV index of 4.2 in Iwamizawa. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Iwamizawa today?
- Air temperature is 10°C with 52% humidity, giving a "feels like" reading of 10°C — comfortable.
- When is the safest time to step outside in Iwamizawa?
- 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 Iwamizawa, especially through summer.