UV Index in Yokohama

Real-time UV forecast & tanning weather

Current Conditions

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Monthly UV Index in Yokohama

Average daily maximum UV index by month

Jan	2	Low
Feb	2	Low
Mar	4	Moderate
Apr	6	High
May	7	High
Jun	9	Very High

Jul	9	Very High
Aug	9	Very High
Sep	7	High
Oct	6	High
Nov	4	Moderate
Dec	2	Low

Best Months to Tan in Yokohama

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

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

Rating based on average monthly UV index

Tanning Guide for Yokohama

Location & Climate

In Yokohama, UV rises from 2 in January to 9 in June, with peak tanning months being June, July, August. 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.

Urban areas may experience higher apparent temperatures due to the heat island effect. Seek parks or waterfront areas for a more comfortable tanning session and better air circulation.

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

Yokohama has a distinct tanning season from April to October. Winter UV is too low for effective tanning.

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 Yokohama right now?

The current UV index in Yokohama 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 Yokohama?

The best months for tanning in Yokohama are April, May, June, July, August, September, October, when average UV levels reach 5 or higher.

How long should I tan in Yokohama?

Tanning time depends on your skin type and the current UV index. For a moderate UV of 8, a person with Skin Type III (medium complexion) can safely tan for about 19 minutes per session. Use our Tanning Calculator for personalized recommendations.

Is it safe to tan in UV index 9?

UV index 9 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 Yokohama?

UV levels in Yokohama 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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