UV Index in Bayan, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Bayan, China, where the climate features distinct seasonal variations typical of the Dwb zone. As the sun’s intensity can significantly fluctuate throughout the day, being aware of the UV levels is essential for preventing sunburn and maintaining overall skin health. With midday UV readings peaking at 8, the risks can escalate quickly, making it vital to take precautions during those hours. By being informed about UV exposure, residents can safeguard themselves against harmful effects, especially in a region that is prone to high sun exposure.

Hourly UV Index in Bayan

The UV Index throughout the day showcases a compelling pattern of solar intensity. Starting at 07:00, the index begins at a modest 2, indicating low levels of UV radiation. As the sun rises higher, the index climbs steadily, peaking at 11:00 with a maximum of 8—a level that calls for protective measures. Post noon, a gradual decline occurs; by 15:00, it drops to 3, signaling a decrease in UV exposure. As daylight wanes, the index continues to fall, reaching 1 by 17:00, before settling at a safe 0 by 19:00. This data underscores the importance of being sun-smart, especially during the midday hours when the UV levels are at their highest.

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
10:007high25 min
11:008very high15 min
12:007high25 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 Bayan

Throughout the year, the UV Index demonstrates notable seasonal variations that affect exposure risk. January and February have relatively low to moderate UV levels (Index 2-3), with safe burn times of 45 and 30 minutes respectively. As spring approaches, March sees a rise to an index of 5, and by April, it reaches 6, marking the beginning of high-risk months. The most critical period arrives in May and June, where the UV Index peaks at 8-9, indicating very high exposure risk and a reduced burn time of just 15 minutes. July and August maintain this peak, before tapering off in September with a return to a high risk (UV Index 6). October brings a moderate reduction (Index 4), while winter months November and December drop back to low levels. Visitors and residents should be particularly vigilant during May through September, using sunscreen and protective clothing to minimize harmful effects during these high-risk months.

Monthly Maximum UV Index for Bayan, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Bayan. 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 Bayan, 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 Bayan UV Index with Other China Cities

The table above highlights how UV exposure in Bayan 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.
Bayan's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Bayan235689986421
Beijing UVI2358991097642
Chengdu UVI568101211111011864
Shanghai UVI568101011121111864
Guangzhou UVI79111213131312111097
Shenzhen UVI710121214131313121197