UV Index in Fontana

Real-time UV forecast & tanning weather

Current Conditions

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Monthly UV Index in Fontana

Average daily maximum UV index by month

Jan	3	Moderate
Feb	3	Moderate
Mar	5	Moderate
Apr	7	High
May	8	Very High
Jun	10	Very High

Jul	10	Very High
Aug	10	Very High
Sep	8	Very High
Oct	7	High
Nov	5	Moderate
Dec	3	Moderate

Best Months to Tan in Fontana

Based on average UV levels, the best months for tanning in Fontana are:

April Great May Great June Excellent July Excellent August Excellent September Great October Great

Rating based on average monthly UV index

Tanning Guide for Fontana

Location & Climate

In Fontana, UV rises from 3 in January to 10 in June, with peak tanning months being June, July, August. Expect the strongest sun between late spring and early fall.

North America spans a wide UV range from subtropical Florida to northern Canada. Seasons strongly influence tanning potential — summer months offer the best conditions across most of the continent.

During the peak tanning season, use SPF 30-50 depending on the time of day. In winter months, SPF 15-30 is usually sufficient for daily protection.

Tanning Tips

Fontana enjoys strong UV from spring through fall. Peak tanning season runs April to October, with UV often exceeding 8.

Related Guides

Tanning in UV 9-10+ → Aggressive Tanning — What to Know → Safe Tanning Tips → Best Time of Day to Tan → How to Get Rid of a Tan →

Frequently Asked Questions

What is the UV index in Fontana right now?

The current UV index in Fontana is shown in the live weather section above. UV levels change throughout the day, typically peaking between 11 AM and 2 PM local time.

What is the best month to tan in Fontana?

The best months for tanning in Fontana are April, May, June, July, August, September, October, when average UV levels reach 7 or higher.

How long should I tan in Fontana?

Tanning time depends on your skin type and the current UV index. For a moderate UV of 9, a person with Skin Type III (medium complexion) can safely tan for about 17 minutes per session. Use our Tanning Calculator for personalized recommendations.

Is it safe to tan in UV index 10?

UV index 10 is classified as Very High. Very High — avoid prolonged sun exposure. Short tanning sessions with SPF 50+ recommended.

When is the peak UV time in Fontana?

UV levels in Fontana typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.

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