UV Index in Shintoku, Japan

Last updated: May 3, 2025

Understanding the UV Index is crucial for the residents and visitors of Shintoku, Japan, where exposure to harmful ultraviolet rays can significantly affect skin health. With a climate classified as Dfb, Shintoku experiences periods of intense sun exposure, particularly during the midday hours when the UV Index peaks at 9. Being aware of UV levels not only aids in sunburn prevention but also plays a vital role in maintaining long-term skin health. As you explore this beautiful town, stay informed about the UV index and protect yourself from potential risks associated with UV exposure!

Hourly UV Index in Shintoku

As the sun rises, the UV Index begins its ascent, peaking at 9 between 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Early risers will find a more manageable 3 at 7:00 AM, but as the day progresses, the intensity escalates, reaching a robust 8 by 10:00 AM and hitting its zenith with a 9 at noon. A gradual decline follows, with values decreasing to 7 at 1:00 PM, and dipping further to 4 by 3:00 PM. As evening approaches, the UV levels drop sharply, falling to 1 by 5:00 PM and fading to 0 by 7:00 PM. It's a day that reminds us to be vigilant under the sun's powerful rays, especially during the midday hours!

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
13:007high25 min
14:006high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Shintoku

Throughout the year, the UV Index experiences significant seasonal variations, with the highest risk months typically spanning from March to September. During this period, particularly in April, May, June, July, and August, the UV Index reaches a peak of 10, indicating a very high exposure category and a burn time of just 15 minutes. Conversely, the months of January and December signify the lowest UV levels, with an index of 2 and a burn time of 45 minutes. Visitors and residents should take caution during the high-risk months, employing protective measures such as sunscreen, hats, and sunglasses when spending time outdoors, as even short exposure can lead to skin damage. Being vigilant about UV levels can help ensure safety while enjoying the sun.

Monthly Maximum UV Index for Shintoku, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Shintoku. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec236891010108632
Data source: Statistical UV Index data for Shintoku, 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 Shintoku UV Index with Other Japan Cities

The table above highlights how UV exposure in Shintoku 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.
Shintoku's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Shintoku236891010108632
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753