San Bernardino, California

High

6.4

UV Index · Now

Cover up.

Wear long sleeves, SPF 30+, and seek shade midday.

Unprotected

31 min

until skin starts to burn.

With SPF 30

15 hr 37 min

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

HeatComfortable

Air

25°

Feels like

25°

Humidity

20%

Questions about San Bernardino today

What is the UV index in San Bernardino right now?
The UV index in San Bernardino, California is 6.4 — categorised as High. Wear long sleeves, SPF 30+, and seek shade midday.
Is it safe to go outside in San Bernardino today?
Caution — UV is high (6.4) in San Bernardino. Wear long sleeves, SPF 30+, and seek shade midday. The peak risk window is roughly 11 am to 4 pm.
How long does it take to get sunburn in San Bernardino?
Average unprotected skin starts to burn in roughly 31 min at the current UV index of 6.4 in San Bernardino. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in San Bernardino today?
Air temperature is 25°C with 20% humidity, giving a "feels like" reading of 25°C — comfortable.
When is the safest time to step outside in San Bernardino?
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 San Bernardino, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 8:30 AM · Refreshes every 30 minutes