UV Index in Kikonai, Japan

Last updated: May 3, 2025

In Kikonai, Japan, staying informed about the UV Index is essential for safeguarding skin health and preventing sunburn, especially during the sunniest hours of the day. Understanding UV levels helps residents and visitors navigate potential risks associated with exposure, ensuring they can enjoy outdoor activities while protecting their skin. Kikonai's Dfb climate brings distinct seasonal variations, but during warmer months, UV exposure can peak at 9 around midday, making awareness all the more crucial. By monitoring the UV Index, you can take proactive measures to shield yourself from harmful rays and promote long-term skin health.

Hourly UV Index in Kikonai

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 Kikonai

Throughout the year, the UV Index experiences significant fluctuations, with the most intense levels occurring during the summer months. From April to August, the index rises sharply, peaking at 11 in August, which falls into the extreme exposure category. Consequently, April through September are considered high-risk months for UV exposure, with burn times decreasing to as little as 10-15 minutes during this period. Residents and visitors are strongly advised to take precautions by wearing sunscreen, protective clothing, and hats, especially during midday hours when the sun's rays are most intense. Conversely, during the winter months of December through February, the risk is considerably lower, with the UV Index ranging from 2 to 4 and longer burn times of 30-45 minutes, allowing for more outdoor activities with reduced risk.

Monthly Maximum UV Index for Kikonai, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Kikonai. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec345891010118632
Data source: Statistical UV Index data for Kikonai, 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 Kikonai UV Index with Other Japan Cities

The table above highlights how UV exposure in Kikonai 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.
Kikonai's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Kikonai345891010118632
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753