Modesto, California
Moderate4.2
UV Index · Now
Hat & SPF.
A hat and SPF 30 are enough for most people.
Unprotected
48 min
until skin starts to burn.
With SPF 30
24 hr 6 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
23°
Feels like
23°
Humidity
36%
Questions about Modesto today
- What is the UV index in Modesto right now?
- The UV index in Modesto, California is 4.2 — categorised as Moderate. A hat and SPF 30 are enough for most people.
- Is it safe to go outside in Modesto today?
- Yes — UV is moderate (4.2) in Modesto right now. A hat and SPF 30 are enough for most people.
- How long does it take to get sunburn in Modesto?
- Average unprotected skin starts to burn in roughly 48 min at the current UV index of 4.2 in Modesto. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Modesto today?
- Air temperature is 23°C with 36% humidity, giving a "feels like" reading of 23°C — comfortable.
- When is the safest time to step outside in Modesto?
- 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 Modesto, 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