UV Index in Yilan, China

Last updated: May 3, 2025

Understanding the UV Index in Yilan, China, is essential for protecting your skin and overall health. The UV Index measures the strength of ultraviolet (UV) radiation from the sun, and being aware of these levels is crucial for preventing sunburn and reducing the risk of long-term skin damage. With Yilan's mild Dwb climate, residents and visitors alike experience varying UV exposures, especially during midday hours when levels peak at 8. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin from harmful effects.

Hourly UV Index in Yilan

The UV Index showcases a vibrant fluctuation throughout the day, starting with a moderate 3 at 07:00. As the sun ascends, the index quickly rises to a peak of 8 by 11:00 and 12:00, marking the hours when sun protection is crucial. Following this zenith, the UV intensity begins to wane, dipping to 6 at 13:00 and gradually declining to 0 by 19:00. This daily pattern serves as a reminder to take precautions during peak hours when the sun's rays are most intense, ensuring a safe and enjoyable day outdoors!

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
10:007high25 min
11:008very high15 min
12:008very high15 min
13:006high25 min
14:005moderate30 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Yilan

Throughout the year, UV exposure fluctuates significantly, with the highest risk months occurring from May to August, when the UV Index reaches levels categorized as very high (UV Index 8-9). During these months, the burn time drastically decreases to just 15 minutes, emphasizing the need for protection. Conversely, the low risk months of January, November, and December offer a safer environment with a UV Index of 2 and a burn time of 45 minutes. As such, visitors and residents should be particularly vigilant during peak summer months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours, while enjoying the milder winter months with less concern for UV exposure.

Monthly Maximum UV Index for Yilan, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Yilan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Statistical UV Index data for Yilan, 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 Yilan UV Index with Other China Cities

The table above highlights how UV exposure in Yilan compares to other major locations across China. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Yilan's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Yilan235689986422
Beijing UVI2358991097642
Chengdu UVI568101211111011864
Shanghai UVI568101011121111864
Guangzhou UVI79111213131312111097
Shenzhen UVI710121214131313121197