UV Index in Chengmen, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Chengmen, China, where sun exposure can pose significant risks to skin health. With high levels of UV radiation peaking at 12 around noon, knowledge of UV levels becomes essential for preventing sunburn and long-term skin damage. Chengmen's Cfa climate often provides clear skies and warm temperatures, increasing the likelihood of experiencing harmful UV rays, particularly during the midday hours. Stay informed and protected to enjoy the outdoors safely!

Hourly UV Index in Chengmen

The UV Index today starts off mild, with a maximum reading of 1 at 07:00, indicating minimal risk for sun exposure. However, as the clock ticks towards midday, the intensity ramps up significantly. By 10:00, the UV Index reaches 8, signaling a high risk of harm from unprotected sun exposure. The peak occurs at 12:00, with an impressive 12, where sun safety is crucial. From there, the levels slowly decline, dipping to 9 at 14:00 and then down to 2 by 17:00. As the sun sets, the UV Index drops back to a safe 1 by 18:00, making late afternoon a more comfortable and safer time for outdoor activities.

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	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	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 Chengmen

Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the summer months. High-risk months include May through August, where the UV Index consistently reaches extreme levels of 11 or 12 and the burn time is as brief as 10 minutes. As such, residents and visitors should take precautionary measures during these peak months, such as seeking shade, wearing protective clothing, and applying sunscreen regularly. In contrast, the UV Index lowers during the fall and winter months, with January and November presenting high levels but more extended burn times of up to 25 minutes. It remains essential for everyone to stay informed about daily UV levels and adapt their sun protection habits accordingly, especially during the highest risk periods.

Monthly Maximum UV Index for Chengmen, China

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

The table above highlights how UV exposure in Chengmen 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.

Chengmen'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
Chengmen	6	7	9	10	11	12	12	12	10	8	6	5
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