Mountain View, California
Moderate4.3
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 15 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
20°
Feels like
20°
Humidity
49%
Questions about Mountain View today
- What is the UV index in Mountain View right now?
- The UV index in Mountain View, California is 4.3 — categorised as Moderate. A hat and SPF 30 are enough for most people.
- Is it safe to go outside in Mountain View today?
- Yes — UV is moderate (4.3) in Mountain View right now. A hat and SPF 30 are enough for most people.
- How long does it take to get sunburn in Mountain View?
- Average unprotected skin starts to burn in roughly 47 min at the current UV index of 4.3 in Mountain View. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Mountain View today?
- Air temperature is 20°C with 49% humidity, giving a "feels like" reading of 20°C — comfortable.
- When is the safest time to step outside in Mountain View?
- 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 Mountain View, 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