UV Index in Kurihara, Japan

Last updated: June 2, 2025

Understanding the UV Index in Kurihara, Japan is essential for safeguarding your skin against harmful UV radiation. As a city characterized by its Cfa climate, Kurihara experiences significant UV exposure, especially during peak hours when the index reaches a level of 11 around noon—indicating an extremely high risk of harm from unprotected sun exposure. Awareness of UV levels is crucial for preventing sunburn and promoting long-term skin health, making it vital for residents and visitors alike to check daily UV forecasts. Stay informed and protect your skin while enjoying all that Kurihara has to offer!

Hourly UV Index in Kurihara

As the day unfolds, the UV Index climbs steadily, peaking at 11 between 11:00 and 12:00, signaling a strong need for sun protection during these hours. Starting from a mild 3 at 07:00, the intensity rapidly rises, reaching a noticeable 5 by 08:00 and soaring to 9 by 10:00. However, the sun's intensity begins to wane in the afternoon, dropping to 7 and then 5 from 13:00 to 15:00. By 16:00, the UV Index retreats to 3, and as evening sets in, it diminishes further to 1 by 17:00 and falls to 0 by 19:00. It's crucial to stay vigilant during those peak hours to enjoy the sun safely!

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
08:005moderate30 min
09:007high25 min
10:009very high15 min
11:0011extreme10 min
12:0011extreme10 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 Kurihara

As the year progresses, the UV Index in our region exhibits significant fluctuations, reflecting seasonal changes that are essential for visitors and residents to note. During the winter months of January and February, the UV Index remains in the moderate range (3-4), allowing for a burn time of about 30 minutes. However, as spring approaches, particularly in March, the UV Index rises sharply to high (7), reducing burn time to 25 minutes. The months of April through August present the highest risk, with UV Index values reaching very high (8-9) in April and May, escalating to a peak of extreme (11) in July and August, where the burn time drops to just 10 minutes. By September, there’s a slight decline to very high (9), and it further reduces in the fall months, with the index returning to the moderate range by November and December. Residents and visitors should take care during high-risk months—particularly from March through September—by seeking shade, wearing protective clothing, and using sunscreen to safeguard against harmful UV exposure.

Monthly Maximum UV Index for Kurihara, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Kurihara. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec347991111109643
Data source: Statistical UV Index data for Kurihara, 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 Kurihara UV Index with Other Japan Cities

The table above highlights how UV exposure in Kurihara 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.
Kurihara's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Kurihara347891011119643
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753