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

Current UV Index in Fresno

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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 Fresno right now. Get the current UV level, hourly UV forecast for today, and a 7-day UV outlook for Fresno, California.

Current UV Index in Fresno

The UV index in Fresno changes throughout the day, typically peaking between 10am and 2pm local time. San Joaquin Valley with agricultural heat and strong UV

Hourly UV Forecast for Fresno Today

Planning outdoor activities in Fresno, 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 Fresno

Plan your week in Fresno 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 Fresno

UV IndexLevelWhat to Do in Fresno
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 Fresno

Fresno typically experiences UV index values of 10-11 during peak season (May-October) and 2-4 during the off-season. Dry summers with clear skies drive high UV while cloudy winters bring low levels

Best Time for Outdoor Activities in Fresno

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

Recommended SPF for Fresno

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

Fresno UV Index by Season

High UV Season in Fresno

UV levels in Fresno 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 Fresno

UV levels drop in the cool wet winter, typically measuring 2-4. SPF 30 is still recommended for extended outdoor time even during cooler months.

Recommended Sun Protection

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Sun Safety FAQ for Fresno

What is the average UV index in Fresno?

The average UV index in Fresno ranges from 2-4 during the low season to 10-11 during peak months (May-October).

When is UV highest in Fresno?

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

Do I need sunscreen in Fresno?

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

UV Index Near Fresno

About UV Index in Fresno

UV data for Fresno, 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 Fresno are approximate and for informational purposes only — not medical advice.