UV Index in Chengdong, China

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Chengdong, China, where sun exposure can significantly impact skin health and well-being. With its humid subtropical climate, Chengdong experiences high UV levels, especially during the peak hours from 10 AM to 2 PM, where the index can soar to a staggering 11. By monitoring the UV Index, you can take proactive steps to prevent sunburn and long-term skin damage, ensuring safe outdoor activities. Awareness of these UV levels empowers you to enjoy the sun while protecting your skin from harmful rays, making it essential for everyday life in this vibrant city.

Hourly UV Index in Chengdong

The UV Index today reveals a dynamic pattern of sun exposure throughout the day. Starting at a low 2 at 7:00 AM, the intensity gradually climbs, reaching a moderate 4 by 8:00 AM. As the sun ascends, the index peaks at an impressive 11 around 12:00 PM, signaling an optimal time for sunscreen application. This intensity begins to wane in the afternoon, dropping to 8 at 2:00 PM and further declining to 3 by 4:00 PM. As the day winds down, the UV Index falls dramatically to 0 by 7:00 PM, marking a safe retreat from sun exposure. Stay vigilant and protect your skin during the peak 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	2	low	45 min
08:00	4	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Chengdong

Throughout the year, the UV Index experiences significant seasonal fluctuations, indicating varying levels of sun exposure risk. The highest risk months are July and August, with an extreme UV Index of 11 and a burn time of only 10 minutes. In contrast, the lowest risk months are January, November, and December, where the UV Index hovers at 4, suggesting a moderate exposure with a burn time of 30 minutes. Visitors and residents should exercise caution in the spring and summer months, particularly from April to September, as the UV levels can reach very high to extreme levels. It is advisable to use sun protection measures, such as wearing sunscreen, hats, and protective clothing, and to limit sun exposure during peak hours to ensure safety and prevent skin damage.

Monthly Maximum UV Index for Chengdong, China

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

The table above highlights how UV exposure in Chengdong 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.

Chengdong'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
Chengdong	4	6	7	9	10	10	11	11	10	7	5	4
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