UV Index in Chengnan, China

Last updated: June 2, 2025

In Chengnan, China, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's Cfa climate, residents and visitors frequently encounter high UV levels, especially during midday hours when readings can soar to a staggering 13. Awareness of these fluctuations enables individuals to take proactive measures against harmful UV radiation, ensuring safer outdoor experiences. As the sun's intensity peaks around 11 AM to 1 PM, being informed about the UV Index not only protects your skin but also promotes long-term health in this vibrant locale. Stay sun-smart and enjoy all that Chengnan has to offer!

Hourly UV Index in Chengnan

The UV Index today showcases a distinct peak around midday, reaching a maximum of 13 at 12:00 PM, indicating very high UV exposure. As the sun rises, UV levels gradually climb from 2 at 7:00 AM to an impressive 12 by noon, urging outdoor enthusiasts to embrace sun safety. The intensity begins to wane after 1:00 PM, dropping to 4 by 4:00 PM and further decreasing to a gentle 0 by 7:00 PM. With this clear pattern, it’s crucial to plan outdoor activities wisely, maximizing enjoyment during the midday sun while minimizing potential risks during 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	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	0	low	45 min

Monthly UV Index Trends in Chengnan

The UV Index experiences notable seasonal fluctuations, peaking during the summer months. High-risk months occur from February to September, with March through August classified as extreme, where the UV Index reaches as high as 13 and the burn time is as short as 10 minutes. Residents and visitors are strongly advised to take precautions during these times, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially between 10 AM and 4 PM when UV exposure is at its peak. As we transition into the fall and winter months, the UV Index drops significantly, but caution should still be exercised in early spring and late autumn, where levels remain very high.

Monthly Maximum UV Index for Chengnan, China

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

The table above highlights how UV exposure in Chengnan 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.

Chengnan'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
Chengnan	7	9	11	11	13	13	13	13	11	9	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