UV Index in Iriomote

Real-time UV forecast & tanning weather

Current Conditions

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Monthly UV Index in Iriomote

Average daily maximum UV index by month

Jan	6	High
Feb	6	High
Mar	7	High
Apr	9	Very High
May	10	Very High
Jun	11	Extreme

Jul	11	Extreme
Aug	11	Extreme
Sep	10	Very High
Oct	9	Very High
Nov	7	High
Dec	6	High

Best Months to Tan in Iriomote

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

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

Rating based on average monthly UV index

Tanning Guide for Iriomote

Location & Climate

In Iriomote, UV rises from 6 in January to 11 in June, with peak tanning months being May, June, July, August, September. Expect the strongest sun between late spring and early fall.

UV levels vary significantly by season. Summer months bring high UV that requires careful protection, while winter UV is generally low enough for minimal concern.

Beach and coastal destinations benefit from cooling sea breezes, but UV reflected from water and sand can increase your total exposure by up to 25%. Apply sunscreen more frequently and protect your eyes.

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

Iriomote enjoys strong UV from spring through fall. Peak tanning season runs March to November, 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 Iriomote right now?

The current UV index in Iriomote 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 Iriomote?

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

How long should I tan in Iriomote?

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 11?

UV index 11 is classified as Extreme. Extreme — stay in shade during peak hours. Tanning is not recommended without strong protection.

When is the peak UV time in Iriomote?

UV levels in Iriomote 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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