Tachikawa, Tokyo

Moderate

4.3

UV Index · Now

Hat & SPF.

A hat and SPF 30 are enough for most people.

Unprotected

47 min

until skin starts to burn.

With SPF 30

23 hr 32 min

Average unprotected skin. Lighter skin burns faster, darker skin slower.

HeatComfortable

Air

16°

Feels like

16°

Humidity

89%

Questions about Tachikawa today

What is the UV index in Tachikawa right now?
The UV index in Tachikawa, Tokyo is 4.3 — categorised as Moderate. A hat and SPF 30 are enough for most people.
Is it safe to go outside in Tachikawa today?
Yes — UV is moderate (4.3) in Tachikawa right now. A hat and SPF 30 are enough for most people.
How long does it take to get sunburn in Tachikawa?
Average unprotected skin starts to burn in roughly 47 min at the current UV index of 4.3 in Tachikawa. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Tachikawa today?
Air temperature is 16°C with 89% humidity, giving a "feels like" reading of 16°C — comfortable.
When is the safest time to step outside in Tachikawa?
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 Tachikawa, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Wed 7:30 PM · Refreshes every 30 minutes