UV Index in Tokyo

Real-time UV forecast & tanning weather

Current Conditions

Loading live weather data...
5
Moderate
UV Index
🌡️
29°C
Temperature
Partly cloudy
Conditions
☀️
Peak Tanning Window 11AM • UV 8

Hourly UV Forecast

☀️ Excellent tanning conditions 9AM–4PM 30°C • 7 km/h 🌬️
1
6AM
2
7AM
4
8AM
5
9AM
7
10AM
8
11AM
8
12PM
8
1PM
6
2PM
5
NOW
3
4PM
2
5PM
1
6PM
0
7PM
0
8PM
0
9PM
Low 0–2 Moderate 3–5 High 6–7 Very High 8–10 Extreme 11+

16-Day UV Forecast

8
Mon 1
Excellent
6
Tue 2
Excellent
0
Wed 3
8
Thu 4
Excellent
8
Fri 5
Excellent
7
Sat 6
Excellent
5
Sun 7
Excellent
1
Mon 8
Poor
7
Tue 9
Good
8
Wed 10
Good
5
Thu 11
Excellent
5
Fri 12
Excellent
5
Sat 13
Excellent
6
Sun 14
Excellent
7
Mon 15
Excellent
2
Tue 16
Poor

Location & Climate

Tokyo experiences moderate to high UV levels, particularly during the warmer months from spring through summer, with sunny days being frequent. Visit Odaiba Beach for tanning, but be aware of the sun's strength and consider the timing to avoid peak intensity.

Tanning Tips

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

Weather data by Open-Meteo (CC BY 4.0)

Monthly UV Index in Tokyo

Average daily maximum UV index by month

Jan
2
Feb
3
Mar
5
Apr
7
May
8
Jun
9
Jul
10
Aug
9
Sep
7
Oct
4
Nov
3
Dec
2
Low Moderate High Very High Extreme

Best Months to Tan in Tokyo

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

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

Rating based on average monthly UV index

Frequently Asked Questions

What is the UV index in Tokyo right now?
The current UV index in Tokyo 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 Tokyo?
The best months for tanning in Tokyo are April, May, June, July, August, September, when average UV levels reach 7 or higher.
How long should I tan in Tokyo?
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 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 Tokyo?
UV levels in Tokyo typically peak between 11:00 AM and 2:00 PM local time. The exact peak depends on the season, cloud cover, and altitude.

Get Personalized Tanning Sessions

Tan AI calculates your perfect tanning time based on real-time UV, your skin type, and goals.