UV Index in Chengxi, China

Last updated: July 2, 2025

Understanding the UV Index in Chengxi, China, is crucial for maintaining skin health and preventing sunburn. With typically high UV exposure levels, especially during midday hours, being informed about UV risks can help you make smarter choices about sun protection. Chengxi's Cwa climate often brings sunny days, making it essential for residents and visitors alike to be aware of the UV Index and take proactive measures to safeguard their skin. From applying sunscreen to finding shade, knowing when the UV levels peak—reaching a striking 14 at noon—can significantly reduce the risk of harmful effects from the sun. Stay informed and stay safe!

Hourly UV Index in Chengxi

The UV Index throughout the day showcases a dramatic rise and fall in sun intensity. Early risers at 7:00 AM will encounter a mild index of 1, slowly escalating to 2 by 8:00 AM. As the day progresses, a notable surge occurs, peaking at 12:00 PM with an intense 14—the golden hour for sun exposure, but also a reminder to stay protected! The afternoon sees a slight decline, with values of 11 at 2:00 PM and dropping to 5 by 4:00 PM. As evening approaches, the index diminishes quickly, returning to 1 around 6:00 PM. The data serves as an essential guide for outdoor activities, encouraging caution during those highest UV 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Chengxi

Throughout the year, UV levels fluctuate significantly, with high-risk months primarily from March to October, where the UV Index reaches extreme levels of 12-14, resulting in burn times as short as 10 minutes. The months of January and February also pose risks, with very high UV Index values of 8 and 10 respectively, demanding quick precautions with a burn time of 15 minutes. Conversely, November and December see a decline in UV exposure, but residents and visitors should remain cautious as burn times range from 15 to 25 minutes. It is advisable for everyone to take preventive measures during peak months—such as wearing protective clothing, using sunscreen, and seeking shade—to mitigate the risk of skin damage.

Monthly Maximum UV Index for Chengxi, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chengxi. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Chengxi, 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 Chengxi UV Index with Other China Cities

The table above highlights how UV exposure in Chengxi 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.

Chengxi's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Beijing UVI	2	3	5	8	9	9	10	9	7	6	4	2
Chengdu UVI	5	6	8	10	12	11	11	10	11	8	6	4
Shanghai UVI	5	6	8	10	10	11	12	11	11	8	6	4
Guangzhou UVI	7	9	11	12	13	13	13	12	11	10	9	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7
Chengxi	8	10	12	12	14	13	14	13	12	12	9	7