UV Index in Chengjiao, China

Last updated: June 2, 2025

Understanding the UV Index in Chengjiao, China is crucial for protecting your skin and overall health from harmful ultraviolet rays. With peak UV levels soaring as high as 13 during midday, awareness of these UV fluctuations can help residents and visitors prevent sunburn and long-term skin damage. The region experiences a Cwa climate characterized by distinct seasons, which can lead to higher UV exposure risks, especially in the summer months. By knowing when UV levels are highest, you can take proactive measures to enjoy the outdoors safely and maintain your skin's health.

Hourly UV Index in Chengjiao

As the day unfolds, the UV Index rises dramatically, reaching its peak at 12:00 PM with a striking value of 13. Early morning starts off mild, with a maximum of just 1 at 7:00 AM. By 9:00 AM, it's climbing to 5, while at 10:00 AM, it jumps to a notable 8. The intensity continues to escalate, hitting 11 at 11:00 AM and maintaining a blistering 13 until 1:00 PM. As the sun begins its descent, the UV Index gradually declines: 10 at 2:00 PM, 7 at 3:00 PM, and falling steadily to 1 by 7:00 PM. This sharp increase and subsequent decrease underscore the importance of sun protection during the midday hours when the UV exposure is at its 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Chengjiao

Throughout the year, UV Index levels exhibit significant seasonal changes, reaching their peak during the summer months. Notably, March through September are categorized as high-risk months, with UV Index readings often in the extreme range of 11 to 13, resulting in a burn time of just 10 minutes for unprotected skin. Visitors and residents are advised to take precautionary measures during these months, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m. As the year transitions into October and November, the UV Index remains high at levels 9 to 10, indicating that while the risk decreases slightly, vigilance is still essential. January and December present a lower risk with an index of 7, but caution is still warranted during these months.

Monthly Maximum UV Index for Chengjiao, China

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

The table above highlights how UV exposure in Chengjiao 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.

Chengjiao'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
Chengjiao	7	9	12	11	13	13	13	13	11	10	9	7
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7