Tempe, Arizona

Low

3.0

UV Index · Now

Step out.

You can step out without sun protection.

Unprotected

1 hr 8 min

until skin starts to burn.

With SPF 30

33 hr 54 min

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

HeatComfortable

Air

29°

Feels like

29°

Humidity

12%

Questions about Tempe today

What is the UV index in Tempe right now?
The UV index in Tempe, Arizona is 3.0 — categorised as Low. You can step out without sun protection.
Is it safe to go outside in Tempe today?
Yes — UV is low (3.0) in Tempe right now. You can step out without sun protection.
How long does it take to get sunburn in Tempe?
Average unprotected skin starts to burn in roughly 1 hr 8 min at the current UV index of 3.0 in Tempe. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Tempe today?
Air temperature is 29°C with 12% humidity, giving a "feels like" reading of 29°C — comfortable.
When is the safest time to step outside in Tempe?
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 Tempe, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 10:00 AM · Refreshes every 30 minutes