UV Index in Sobetsu, Japan

Last updated: May 3, 2025

Understanding the UV Index in Sobetsu, Japan is crucial for safeguarding your skin health and preventing sunburn, especially during the peak summer months. With a Dfb climate, Sobetsu experiences varying UV levels throughout the day, peaking at 9 between 11 AM and 1 PM. Being aware of these levels can help you take necessary precautions to enjoy the outdoors safely while minimizing the risk of skin damage. Whether you're exploring the beautiful landscapes or simply enjoying a day at the park, knowing and monitoring the UV Index will empower you to protect yourself and your loved ones from harmful sun exposure.

Hourly UV Index in Sobetsu

As the sun rises, the UV Index begins its ascent, peaking at 11:00 AM and 12:00 PM with a blistering 9. The day starts gently, with 07:00 AM registering a modest 2, but by 09:00 AM, it climbs to a moderate 6. The intensity escalates, hitting 8 at 10:00 AM and reaching its zenith shortly after noon. After this peak, the index gradually dips, easing down to 6 by 2:00 PM, before falling further to 4 at 3:00 PM. As evening approaches, the UV radiation wanes significantly, dropping to 2 by 4:00 PM and near zero after sunset, signaling a shift in the skies. Remember to protect your skin during those peak 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
07:002low45 min
08:004moderate30 min
09:006high25 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 Sobetsu

Throughout the year, the UV Index demonstrates significant seasonal variations that highlight the importance of sun safety. From January to March, the UV levels are generally low to moderate, with burn times ranging from 30 to 45 minutes. However, April marks the start of high-risk months, peaking with May and August, where the UV Index reaches a very high level of 9 and 10, drastically reducing safe sun exposure to just 15 minutes. Following these months, September and October maintain elevated UV levels before returning to more moderate levels in November and December. Residents and visitors are strongly advised to take precautions during high-risk months (April through September) by wearing sunscreen, protective clothing, and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Sobetsu, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sobetsu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235791010108632
Data source: Statistical UV Index data for Sobetsu, 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 Sobetsu UV Index with Other Japan Cities

The table above highlights how UV exposure in Sobetsu 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.
Sobetsu's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Sobetsu23579109108632
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753