UV Index in Chenggu, China

Last updated: June 2, 2025

Awareness of the UV Index is crucial for residents and visitors in Chenggu, China, as it plays a vital role in safeguarding skin health. Understanding the daily fluctuations in UV levels helps prevent sunburn and long-term skin damage, especially during peak hours when UV exposure is at its highest. With Chenggu's Cwa climate, characterized by hot summers and relatively dry conditions, the risk of harmful UV radiation rises significantly during the warmer months. Knowing when to take protective measures can make all the difference in enjoying the sun safely!

Hourly UV Index in Chenggu

As the sun rises, the UV Index gradually climbs, starting at a low level of 1 at 07:00 and reaching a modest 2 by 08:00. However, by mid-morning, it surges to an impactful 4 at 09:00 and continues to rise dramatically. Peak intensity occurs at 12:00 and 13:00, with a staggering index of 11, indicating a significant risk of harm from unprotected sun exposure. Following this high, the index begins its descent, dropping to 10 at 14:00 and tapering off to a moderate level of 6 by 16:00. As the day winds down, the UV Index settles back to a low 1 by 18:00 and maintains this level through the evening hours. It's a day where sun safety is paramount during the midday 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
07:001low45 min
08:002low45 min
09:004moderate30 min
10:007high25 min
11:009very high15 min
12:0011extreme10 min
13:0011extreme10 min
14:0010very high15 min
15:008very high15 min
16:006high25 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Chenggu

Throughout the year, UV exposure levels fluctuate significantly, peaking during the warmer months. The highest UV Index occurs from May to August, with an extreme rating of 11, indicating a burn time of just 10 minutes—these months pose the greatest risk for skin damage. As summer transitions into fall, the Index gradually declines, with September and October seeing very high levels of 10 and 8, respectively, where burn times increase slightly to 15 minutes. In contrast, winter months like January, February, and December present moderate UV conditions with burn times stretching to 30 minutes. Visitors and residents should take extra precautions during high-risk months by wearing protective clothing, applying sunscreen frequently, and seeking shade to mitigate the risks associated with intense UV radiation.

Monthly Maximum UV Index for Chenggu, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chenggu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec45891111111110853
Data source: Statistical UV Index data for Chenggu, 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 Chenggu UV Index with Other China Cities

The table above highlights how UV exposure in Chenggu 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.
Chenggu's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Beijing UVI2358991097642
Chenggu45891111111110853
Chengdu UVI568101211111011864
Shanghai UVI568101011121111864
Guangzhou UVI79111213131312111097
Shenzhen UVI710121214131313121197