UV Index in Miyako, Japan

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors of Miyako, Japan, where the Dfb climate provides a unique blend of weather patterns and UV exposure. With UV levels peaking at 9 during midday, it’s essential to recognize the potential risks of sunburn and long-term skin damage. By being aware of UV index readings, you can take proactive measures to protect your skin, especially during the summer months when UV exposure is highest. Whether you're enjoying outdoor activities or simply soaking up the sun, staying informed about UV levels in Miyako will help you maintain healthy skin and prevent unwanted sunburns.

Hourly UV Index in Miyako

Throughout the day, the UV Index begins its ascent at 07:00 with a moderate reading of 3, but by 10:00, it peaks at an impressive 9, signaling that sun protection is crucial. The intensity remains high from 11:00 to 12:00, sustaining another peak of 9 before slowly declining throughout the afternoon. By 14:00, the index drops to 6, transitioning to a gentler level as it moves toward the evening. As the sun sets, the index dwindles to 1 by 17:00 and reaches a comfortable 0 by 19:00. It’s a dynamic day of sun exposure, making the mid-morning to early afternoon the perfect time to stay vigilant about UV protection!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:003moderate30 min
08:005moderate30 min
09:007high25 min
10:008very high15 min
11:009very high15 min
12:009very high15 min
13:008very high15 min
14:006high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Miyako

As the seasons change, so does the UV Index, which indicates the strength of ultraviolet radiation. January starts with a low UV Index of 2, increasing gradually to a moderate 4 in February. By March, the Index rises to 6 (high), and April and May see very high levels, peaking at 9 in May. The summer months of June and August experience extreme UV levels of 11, while July remains very high at 10. As summer fades into fall, September experiences a decline to 9, followed by October’s high level of 6. The year closes with November and December at moderate levels of 4 and 3, respectively. Visitors and residents alike should take precaution during the high-risk months of April through August, where burn times are significantly reduced. To protect your skin, it’s advisable to wear sunscreen, seek shade, and wear protective clothing, especially during peak UV hours.

Monthly Maximum UV Index for Miyako, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Miyako. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec246891110119642
Data source: Statistical UV Index data for Miyako, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Miyako UV Index with Other Japan Cities

The table above highlights how UV exposure in Miyako compares to other major locations across Japan. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Miyako's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Miyako246891110119643
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753