UV Index in Shobu, Japan

Last updated: June 2, 2025

Understanding the UV Index in Shobu, Japan is crucial for maintaining skin health and preventing sunburn, especially given the region's Cfa climate, which brings warm summers with high sunlight exposure. With UV levels peaking at 10 around noon, it’s vital for residents and visitors alike to stay informed about daily UV fluctuations. Knowing when the UV Index is particularly high can help you take protective measures, ensuring you enjoy the beautiful Shobu weather while safeguarding your skin from harmful rays. Protect yourself and your loved ones by tuning into the daily UV index report and embracing safe sun practices!

Hourly UV Index in Shobu

As the sun rises, the UV Index begins to climb steadily. At 7:00 AM, it registers a mild level of 2, but by 8:00 AM, it escalates to 4, indicating the start of a more intense sun exposure. The peak occurs at 11:00 AM and 12:00 PM, where it reaches a soaring 10, alerting everyone to take necessary precautions. After midday, the intensity starts to wane: it gently drops to 9 at 1:00 PM and gradually decreases to 5 by 3:00 PM. As the afternoon fades into evening, the UV Index dwindles to 3 at 4:00 PM and finally settles at 1 by 5:00 PM, bringing a close to the day's sun exposure risks. As night approaches, the UV Index drops to 0 after 7:00 PM, signifying a safe respite from the sun’s harsh rays.

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
09:007high25 min
10:009very high15 min
11:0010very high15 min
12:0010very high15 min
13:009very high15 min
14:007high25 min
15:005moderate30 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Shobu

Throughout the year, the UV Index shows significant seasonal variations, indicating changes in the potential for skin damage. From January to February, the UV Index is moderate (3-5) with a burn time of 30 minutes. As March approaches, the UV Index rises sharply to 8, marking the beginning of high-risk months, which continue through July when it peaks at 11 (extreme exposure). The highest risk persists until August with UV levels remaining very high. From September to October, the index gradually declines to 7 and 5, transitioning back to moderate levels by November and December. Visitors and residents should exercise caution during high-risk months (March to August), limiting sun exposure, and using protective measures like sunscreen and clothing to prevent skin damage. Regular monitoring of UV levels is advisable, especially in the peak summer months when the risks are greatest.

Monthly Maximum UV Index for Shobu, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Shobu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3589101011109753
Data source: Statistical UV Index data for Shobu, 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 Shobu UV Index with Other Japan Cities

The table above highlights how UV exposure in Shobu 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.
Shobu's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Shobu3589101011109753
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753