UV Index in Kanazawa, Japan

Last updated: June 2, 2025

In Kanazawa, Japan, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and reduce the risk of long-term skin damage, especially during the peak hours when UV rays are most intense. Kanazawa's Cfa climate brings warm summers and moderate winters, leading to fluctuating UV exposure throughout the year. On sunny days, be particularly mindful of the UV Index, which can soar to 11 by midday, underscoring the importance of sun safety measures as you enjoy this beautiful city.

Hourly UV Index in Kanazawa

As the sun rises, the UV Index begins at a mild 2 by 07:00. It steadily escalates, reaching 4 at 08:00, and then surges to a peak of 11 between 11:00 and 12:00—this is when the sun is most intense. Vigilance is essential during these hours, as the risk of skin damage increases significantly. As the afternoon progresses, the UV levels gradually decline; 10 at 13:00, followed by a decrease to 8 at 14:00, a more manageable 6 at 15:00, and finally tapering off to 3 by 16:00. By 17:00, the index drops to 2, and the evening settles in with a minimal 1 by 18:00 and 19:00. It's a day of high UV exposure, urging outdoor enthusiasts to take precautions during 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
09:007high25 min
10:009very high15 min
11:0011extreme10 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 Kanazawa

The UV Index experiences significant seasonal fluctuations, peaking from March to August. During this period, particularly in June, July, and August, the UV Index reaches an extreme level of 11, indicating a burn time of only 10 minutes. March and April also present high risks with UV indexes of 8 and 10 respectively, categorized as very high. Conversely, January, February, November, and December see moderate levels, with burn times of around 30 minutes. Visitors and residents are advised to take precautions, especially during the high-risk months of March through September, such as wearing protective clothing, using sunscreen, and seeking shade to minimize UV exposure and potential sunburn.

Monthly Maximum UV Index for Kanazawa, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Kanazawa. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec45810101111119753
Data source: Statistical UV Index data for Kanazawa, 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 Kanazawa UV Index with Other Japan Cities

The table above highlights how UV exposure in Kanazawa 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.
Kanazawa's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Kanazawa45810101111119753
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753