UV Index in Chengnan, China

Last updated: May 3, 2025

Understanding the UV Index in Chengnan, China, is crucial for safeguarding your skin and overall health. With sunlight reaching its peak intensity during midday hours, being aware of UV levels helps in preventing sunburn and long-term skin damage. Chengnan's humid subtropical climate can lead to high UV exposure, particularly between 10 AM and 2 PM when the index soars to dangerous levels of up to 13. Stay informed and protect yourself from the harmful effects of UV radiation—your skin will thank you!

Hourly UV Index in Chengnan

The UV Index for the day reveals a dramatic rise in sun exposure, peaking brightly at 1 PM with a staggering index of 13. Early morning starts with a mild index of 1 at 7 AM, gradually climbing to 4 by 8 AM and hitting 6 at 9 AM. As the sun approaches its zenith, the intensity intensifies sharply—10 at 10 AM, followed by 12 at 11 AM. The midday sun reaches its zenith, presenting the highest risk for sunburn at 12 PM with an index of 13. The afternoon marks a gradual decline, with values ebbing to 10 at 2 PM, and then tapering off to 6 by 3 PM and 4 at 4 PM. As the day winds down, UV exposure drops significantly, ending with a gentle 1 at 6 PM and fading to a 0 by 7 PM. Awareness and protection during peak hours are essential to ensure safe sun enjoyment!

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	4	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	10	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	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