Questions about Fontana today

What is the UV index in Fontana right now?

The UV index in Fontana, California is 1.4 — categorised as Low. You can step out without sun protection.

Is it safe to go outside in Fontana today?

Yes — UV is low (1.4) in Fontana right now. You can step out without sun protection.

How long does it take to get sunburn in Fontana?

Average unprotected skin starts to burn in roughly 2 hr 28 min at the current UV index of 1.4 in Fontana. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.

What does the heat feel like in Fontana today?

Air temperature is 21°C with 39% humidity, giving a "feels like" reading of 21°C — comfortable.

When is the safest time to step outside in Fontana?

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 Fontana, especially through summer.