UV Index in Caiyuan, China

Last updated: June 2, 2025

Understanding the UV Index in Caiyuan, China, is crucial for safeguarding your skin against harmful ultraviolet radiation. With UV levels peaking at 12 during the midday hours, awareness of these indices can help in preventing sunburn and long-term skin damage, ensuring overall skin health. Given Caiyuan’s Cfa climate, which features humid and warm summers, residents and visitors should be especially vigilant about UV exposure risks. By monitoring the UV Index, you can enjoy the sunshine while protecting your skin from potential harm.

Hourly UV Index in Caiyuan

The UV Index throughout the day offers a vivid glimpse into solar intensity, peaking dramatically as the sun reaches its zenith. Starting at 7:00 AM with a moderate 2, the index climbs steadily, reaching 4 by 8:00 AM. By 9:00 AM, it surges to 7, and from 10:00 AM to 12:00 PM, it hits its maximum, soaring to 12 at noon. As the day progresses, a gradual decline begins, with 11 at 1:00 PM and tapering down to 8 by 2:00 PM. The afternoon sees a gentle decrease, settling at 6 by 3:00 PM, and finally dwindling to a mere 1 by 5:00 PM. The sun's impact fades into the evening, where the UV Index drops to 0 by 7:00 PM, signaling a retreat from the day's solar embrace. This data highlights the importance of sun protection from late morning through early afternoon, when 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
09:007high25 min
10:0010very high15 min
11:0011extreme10 min
12:0012extreme10 min
13:0011extreme10 min
14:008very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Caiyuan

Throughout the year, the UV Index exhibits significant seasonal variations, with the highest levels occurring from March to October. The months of April to June, peaking in May and June with a UV Index of 11-12, represent the extreme exposure category, where a burn can happen in just 10 minutes. July also maintains an extreme level, while August and September continue to reflect very high ratings, suggesting that these late summer months remain hazardous. As we move toward the fall and winter months, UV levels gradually decline, with December seeing the lowest Index of 4 (moderate). Visitors and residents should take extra precautions during the high-risk months of March through September by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours to minimize harmful UV exposure.

Monthly Maximum UV Index for Caiyuan, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Caiyuan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec568101112111010864
Data source: Statistical UV Index data for Caiyuan, 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 Caiyuan UV Index with Other China Cities

The table above highlights how UV exposure in Caiyuan 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.
Caiyuan's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Beijing UVI2358991097642
Chengdu UVI568101211111011864
Caiyuan568101112111010864
Shanghai UVI568101011121111864
Guangzhou UVI79111213131312111097
Shenzhen UVI710121214131313121197