Santa Rosa, 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

22°

Feels like

22°

Humidity

45%

Questions about Santa Rosa today

What is the UV index in Santa Rosa right now?
The UV index in Santa Rosa, California is 6.4 — categorised as High. Wear long sleeves, SPF 30+, and seek shade midday.
Is it safe to go outside in Santa Rosa today?
Caution — UV is high (6.4) in Santa Rosa. 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 Santa Rosa?
Average unprotected skin starts to burn in roughly 31 min at the current UV index of 6.4 in Santa Rosa. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Santa Rosa today?
Air temperature is 22°C with 45% humidity, giving a "feels like" reading of 22°C — comfortable.
When is the safest time to step outside in Santa Rosa?
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 Santa Rosa, 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