UV Index in Kitahiroshima, Japan

Last updated: May 3, 2025

Understanding the UV Index in Kitahiroshima, Japan is crucial for maintaining skin health and preventing sunburns. With the city's Dfb climate, which features warm summers and occasional cloudy days, residents must stay vigilant about UV exposure. The UV Index peaks around midday, reaching levels as high as 8 between 10:00 AM and 1:00 PM, indicating a significant risk of harm from unprotected sun exposure. By staying informed about daily UV levels, you can better protect yourself and your loved ones from the harmful effects of the sun, ensuring more enjoyable days outdoors.

Hourly UV Index in Kitahiroshima

The UV Index presents a compelling picture of solar intensity throughout the day. Early risers will notice a gentle start, with maximum values of 3 at 07:00. As the sun climbs higher, the index peaks at 8 between 10:00 and 12:00, indicating strong sun exposure. This is the best time to take precautions, such as applying sunscreen and wearing protective clothing. The intensity then gradually declines, dropping to 6 by 14:00 and tapering off further to 1 by 17:00. By evening, the UV Index hits 0 at 19:00, offering a safe reprieve as the day winds down. Remember, planning your outdoor activities around these insights can ensure you enjoy the sun while staying safe!

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
08:004moderate30 min
09:006high25 min
10:008very high15 min
11:008very high15 min
12:008very 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 Kitahiroshima

The UV Index shows a clear seasonal variation, with high-risk months from March to September, where values peak at 10 in August. January and December experience low exposure with a UV Index of 2, while February and November have moderate exposure with an index of 3. During April and May, the UV Index rises significantly, reaching very high levels of 8 and 9, meaning a burn time of just 15 minutes is recommended during peak intensity months. Visitors and residents should take precautions from March through September, especially midday, to protect their skin, including wearing sunscreen, protective clothing, and seeking shade. As UV levels drop in the fall and winter, there is less risk, but some protection is still advisable in February and October.

Monthly Maximum UV Index for Kitahiroshima, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Kitahiroshima. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2367899108532
Data source: Statistical UV Index data for Kitahiroshima, 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 Kitahiroshima UV Index with Other Japan Cities

The table above highlights how UV exposure in Kitahiroshima 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.
Kitahiroshima's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Kitahiroshima2367899108532
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753