UV Index in Wajima, Japan

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Wajima, Japan, where sun exposure can vary significantly throughout the day. With peak values reaching 11 during the sunniest hours, being aware of UV levels is essential for preventing sunburn and protecting overall skin health. The climate in Wajima, classified as Cfa, offers a humid subtropical experience, which means that UV radiation can be especially intense during the warmer months. By staying informed about the UV Index, you can enjoy the beautiful scenery of Wajima while safeguarding your skin against the risks of harmful UV exposure.

Hourly UV Index in Wajima

As the sun rises, the UV Index begins its ascent, starting at a gentle 2 at 07:00. By 08:00, it climbs to 4, indicating a slight increase in UV exposure. The intensity peaks at 12:00, reaching a striking 11, suggesting that midday is the most hazardous time for unprotected skin. Afterward, the index gradually declines, dipping to 6 by 15:00 and falling further to 1 by 19:00, when the sun begins its descent. This hourly data underscores the importance of sun protection, especially during the critical hours from 10:00 to 14:00 when the UV levels are at their highest. Stay safe and make the most of the sunny 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
09:007high25 min
10:009very high15 min
11:0010very high15 min
12:0011extreme10 min
13:0010very high15 min
14:008very high15 min
15:006high25 min
16:003moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Wajima

Throughout the year, UV exposure varies significantly, peaking during the summer months. The highest risk for sunburn occurs from April to August, with the UV Index reaching extreme levels of 11 in both July and August, where the burn time is as short as 10 minutes. March marks the transition to higher UV levels, classified as high, and offers a burn time of 25 minutes. As spring progresses into summer, the risk escalates, with the very high category dominating from April through September, emphasizing the need for sun protection. Visitors and residents should take precautionary measures during these high-risk months, including wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. As the year winds down, November and December return to a moderate UV Index (3-4), allowing for more time outdoors, but vigilance is still recommended.

Monthly Maximum UV Index for Wajima, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Wajima. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3479101111119643
Data source: Statistical UV Index data for Wajima, 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 Wajima UV Index with Other Japan Cities

The table above highlights how UV exposure in Wajima 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.
Wajima's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Wajima3479101011119643
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753