UV Index in Furano, Japan

Last updated: August 1, 2025

Understanding the UV Index in Furano, Japan, is crucial for maintaining skin health and preventing sunburn. With its Dfb climate, Furano experiences varied UV exposure throughout the day, peaking at 10 between 11:00 AM and 12:00 PM. Being aware of these levels empowers residents and visitors to make informed decisions about sun protection, especially given the higher risk hours where UV radiation can be particularly intense. So whether you're hiking in the stunning landscapes or enjoying a day outdoors, staying informed about the UV Index can help safeguard your skin and enhance your overall well-being.

Hourly UV Index in Furano

During the day, the UV Index experiences a dynamic shift, peaking in the late morning. Starting at 3 at 07:00, it escalates to reach a high of 10 by 11:00 and remains there until 12:00. As afternoon approaches, the index gradually declines, dropping back to 9 by 13:00, then to 7 at 14:00. By the mid to late afternoon, it continues its descent, falling to 5 at 15:00 and further down to 3 by 16:00. In the evening, the index diminishes significantly, plummeting to 1 at both 17:00 and 18:00, and finally reaching 0 by 19:00. This pattern highlights the importance of sun protection during the peak hours of 10:00 to 12:00 when the UV radiation is most intense.

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
09:007high25 min
10:009very high15 min
11:0010very high15 min
12:0010very high15 min
13:009very high15 min
14:007high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Furano

Throughout the year, the UV Index experiences significant fluctuations, reflecting shifts in seasonal sun exposure. January and December see low UV levels (Index 2), with burn times of 45 minutes, indicating minimal risk. As spring approaches, February (Index 3) and March (Index 6) signal moderate to high exposure risk, shortening burn times to 30 and 25 minutes respectively. The risk escalates dramatically in May through August, where UV Index values peak at 10, categorizing the exposure as very high, and reducing safe burn time to just 15 minutes. September remains high at 8, marking it as a continuation of the peak summer risk, after which the index drops to 6 in October and returns to moderate in November. For both residents and visitors, it is crucial to take precautions during the high-risk months of March to September, utilizing sunscreen, wearing protective clothing, and seeking shade, especially when the UV Index is significant.

Monthly Maximum UV Index for Furano, Japan

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Furano. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec236791010108632
Data source: Statistical UV Index data for Furano, 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 Furano UV Index with Other Japan Cities

The table above highlights how UV exposure in Furano 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.
Furano's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sapporo UVI2367999108532
Furano236791010108632
Yokohama UVI35891111111110754
Tokyo UVI35891111111110754
Nagoya UVI468101111111110753
Osaka UVI468111111121110753