UV Index in Hinokage, Japan

Last updated: May 3, 2025

Being aware of the UV Index is essential for residents and visitors in Hinokage, Japan, where the Cfa climate brings warm summers with significant sun exposure. Understanding UV levels not only helps in preventing sunburn but also plays a crucial role in maintaining long-term skin health. With peak UV Index readings reaching 12 in midday hours, it's vital to stay informed about sun exposure risks to protect your skin while enjoying the beautiful outdoors in Hinokage. Be proactive and stay safe!

Hourly UV Index in Hinokage

The UV Index begins its rise at 7:00 AM with a low of 2, gradually climbing to a moderate 3 by 8:00 AM. By 9:00 AM, it reaches 6, but it's at 10:00 AM when the sun truly bears down, peaking at a high of 9. The intensity continues to soar, hitting a maximum of 12 at 12:00 PM, making it the most UV-active hour of the day. From there, it subtly declines, dropping back to 11 at 1:00 PM, and 9 at 2:00 PM. The afternoon brings relief as the index falls to 6 by 3:00 PM and continues to decrease, settling at 4 by 4:00 PM. As the day winds down, the UV Index dips to 2 by 5:00 PM and further to a safe 1 by 6:00 PM and stays consistent through 7:00 PM. Stay sun-smart and avoid peak UV hours for your skin's safety!

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
08:003moderate30 min
09:006high25 min
10:009very high15 min
11:0011extreme10 min
12:0012extreme10 min
13:0011extreme10 min
14:009very high15 min
15:006high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Hinokage

Throughout the year, the UV Index experiences significant fluctuations, with the most dangerous months being April through September, where the index consistently reaches extreme levels of 11 to 12. March marks the transition to very high exposure, with a UV Index of 9, while February shows an increase to 6, categorized as high. During the peak summer months from May to August, burn times drop dramatically to just 10 minutes, underscoring the urgency for protective measures. Conversely, the UV Index decreases to moderate levels of 4 in January and December, allowing for longer safe exposure times of up to 30 minutes. To ensure safety, visitors and residents should prioritize sun protection strategies—such as sunscreen, protective clothing, and seeking shade—especially during high-risk months of April through September.

Monthly Maximum UV Index for Hinokage, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Hinokage. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121211864
Data source: Statistical UV Index data for Hinokage, 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 Hinokage UV Index with Other Japan Cities

The table above highlights how UV exposure in Hinokage 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.
Hinokage's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753
Hinokage469111212121211864