UV Index in Yokohama
Real-time UV forecast & tanning weather
Current Conditions
Loading live weather data...Hourly UV Forecast
16-Day UV Forecast
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.
Weather data by Open-Meteo (CC BY 4.0)
Monthly UV Index in Yokohama
Average daily maximum UV index by month
Best Months to Tan in Yokohama
Based on average UV levels, the best months for tanning in Yokohama are:
Rating based on average monthly UV index
Tanning Tools & Calculators
Tanning Time Calculator
Calculate your ideal tanning time based on skin type and UV index
Sunburn Calculator
Find out how long until you burn based on your skin type and current UV
Skin Type Quiz
Discover your Fitzpatrick skin type and get personalized tanning advice
Tanning Routine Creator
Build a personalized tanning plan based on your skin, UV, and experience
Frequently Asked Questions
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