UV Index in Hiroshima
Real-time UV forecast & tanning weather
Current Conditions
Loading live weather data...Weather data by Open-Meteo (CC BY 4.0)
Monthly UV Index in Hiroshima
Average daily maximum UV index by month
Jan
6
High
Feb
6
High
Mar
7
High
Apr
8
Very High
May
9
Very High
Jun
10
Very High
Jul
10
Very High
Aug
10
Very High
Sep
9
Very High
Oct
8
Very High
Nov
7
High
Dec
6
High
Best Months to Tan in Hiroshima
Based on average UV levels, the best months for tanning in Hiroshima are:
March Great
April Great
May Excellent
June Excellent
July Excellent
August Excellent
September Excellent
October Great
November Great
Rating based on average monthly UV index
Tanning Guide for Hiroshima
Hiroshima has a temperate climate with UV levels that rise significantly in spring and summer. Visit the tranquil Shukkei-en Garden during the late morning or early evening for a more relaxed tanning experience.
Hiroshima enjoys strong UV from spring through fall. Peak tanning season runs March to November, with UV often exceeding 8.
Related Guides
Frequently Asked Questions
What is the UV index in Hiroshima right now?
The current UV index in Hiroshima 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 Hiroshima?
The best months for tanning in Hiroshima are March, April, May, June, July, August, September, October, November, when average UV levels reach 7 or higher.
How long should I tan in Hiroshima?
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 Hiroshima?
UV levels in Hiroshima 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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