UV Index in Modesto Today — Check Current UV Levels in Modesto, California

Current UV Index in Modesto

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No UV radiation. No protection needed.

Updated at 9:15 PM local time · Data from Open-Meteo

Check the real-time UV index in Modesto right now. Get the current UV level, hourly UV forecast for today, and a 7-day UV outlook for Modesto, California.

Current UV Index in Modesto

The UV index in Modesto changes throughout the day, typically peaking between 10am and 2pm local time. Central Valley with hot dry summers reaching extreme UV

Hourly UV Forecast for Modesto Today

Planning outdoor activities in Modesto, California? Check our hourly UV breakdown to find the safest windows. Our forecast updates every 15 minutes with data from Open-Meteo weather services.

7-Day UV Forecast for Modesto

Plan your week in Modesto with our 7-day UV index forecast. See which days will have the highest UV so you can prepare with the right level of sun protection.

Sun Protection Guide for Modesto

UV IndexLevelWhat to Do in Modesto
0–2LowEnjoy outdoor activities freely. Sunscreen optional for most skin types.
3–5ModerateWear SPF 30+ sunscreen. Seek shade during midday hours.
6–7HighLimit midday sun. Use SPF 50+, wear a hat and sunglasses.
8–10Very HighMinimize outdoor time 10am–4pm. Full sun protection essential.
11+ExtremeAvoid direct sun. Stay indoors or in full shade during peak hours.

Typical UV Levels in Modesto

Modesto typically experiences UV index values of 10-11 during peak season (May-October) and 2-3 during the off-season. Dry summers with clear skies drive high UV while cloudy winters bring low levels

Best Time for Outdoor Activities in Modesto

The safest time for outdoor activities in Modesto is before 10am and after 4pm when UV levels drop significantly. Always check the current UV index before extended outdoor plans.

Recommended SPF for Modesto

During peak UV season in Modesto (May-October), dermatologists recommend SPF 50+ broad-spectrum sunscreen. Apply 15–20 minutes before sun exposure and reapply every 2 hours.

Modesto UV Index by Season

High UV Season in Modesto

UV levels in Modesto are highest during the hot dry summer months, with the UV index regularly reaching 10-11. Protective clothing, wide-brim hats, and UV-blocking sunglasses are recommended alongside sunscreen.

Low UV Season in Modesto

UV levels drop in the cool wet winter, typically measuring 2-3. SPF 30 is still recommended for extended outdoor time even during cooler months.

Recommended Sun Protection

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Sun Safety FAQ for Modesto

What is the average UV index in Modesto?

The average UV index in Modesto ranges from 2-3 during the low season to 10-11 during peak months (May-October).

When is UV highest in Modesto?

UV is highest in Modesto during the hot dry summer months, peaking between 10am and 2pm local time.

Do I need sunscreen in Modesto?

Yes — whenever the UV index reaches 3 or higher. During peak season (May-October), daily sunscreen use is strongly advised.

UV Index Near Modesto

About UV Index in Modesto

UV data for Modesto, California is updated every 15 minutes via Open-Meteo weather services. Always check the current UV index before spending extended time outdoors.

Disclaimer: UV index data and sun protection recommendations for Modesto are approximate and for informational purposes only — not medical advice.