UV Index in Chengyuan, China

Last updated: August 1, 2025

In Chengyuan, China, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps residents and visitors alike prevent sunburns and long-term skin damage, allowing everyone to enjoy outdoor activities safely. With a humid subtropical climate (Cfa), Chengyuan experiences significant UV exposure, especially during peak hours when the index can soar as high as 13. Being aware of these levels empowers you to take appropriate precautions so you can embrace the sunshine without compromising your skin’s well-being.

Hourly UV Index in Chengyuan

As the sun rose, the UV Index began its climb, starting at a modest 2 at 07:00. By 08:00, it reached 4, signaling an emerging intensity. The index peaked between 10:00 and 12:00, soaring to a striking 13 at noon—ideal conditions for sunbathers but a call for caution against overexposure. The afternoon saw a gradual decline, with readings dropping to 6 at 15:00 and cooling further to 2 by 17:00. As twilight approached, the UV intensity waned, slipping to a safe 0 by 19:00, offering a gentle reminder of nature’s rhythm throughout the day.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Chengyuan

The UV Index shows significant seasonal fluctuations, with the highest readings occurring from March to September, where the exposure category reaches extreme levels. February marks the onset of heightened UV risk, with a very high index of 9 and a burn time of just 15 minutes. The peak of the UV season is from May to August, maintaining an index of 13 and a minimal burn time of 10 minutes, signaling a critical time for sun protection. October and November also present very high UV levels, urging continued precautions as burn times remain short at 15 minutes. Residents and visitors are strongly advised to take precautions during these high-risk months through the use of sunscreen, protective clothing, and seeking shade whenever possible to minimize skin damage.

Monthly Maximum UV Index for Chengyuan, China

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

The table above highlights how UV exposure in Chengyuan 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.

Chengyuan'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
Chengyuan	6	9	11	12	13	13	13	13	12	10	8	6
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