UV Index in Chengnan, China

Last updated: May 3, 2025

In Chengnan, China, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's Cfa climate, residents and visitors alike are exposed to varying levels of UV radiation, especially from late morning to early afternoon when indices can soar to 10. Understanding these UV levels helps in taking necessary precautions, ensuring you enjoy the sun safely while safeguarding your skin against long-term damage. As you soak in the warmth of Chengnan, be aware of the daily UV patterns to protect yourself and your loved ones effectively.

Hourly UV Index in Chengnan

The UV Index throughout the day reveals a fascinating journey of solar intensity. Starting with a gentle 1 at 07:00, the sun gradually strengthens, reaching 2 by 08:00. As the morning progresses, we hit a notable 5 at 09:00, leading into a vibrant peak at 12:00 where the UV Index soars to an impressive 10, lasting through 13:00. The intensity then starts to decline, sliding down to 8 at 14:00, followed by a gentle drop to 6 by 15:00. The late afternoon brings a cooling effect with values decreasing to 4 at 16:00, and winding down to 2 by 17:00. As evening approaches, the UV Index settles back to a mild 1 by 18:00, remaining consistent until 19:00, marking the end of a dynamic solar spectacle.

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	2	low	45 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	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 Chengnan

The UV Index varies significantly throughout the year, peaking during the summer months of June, July, and August, where it reaches an extreme level of 11 to 12, necessitating a burn time of only 10 minutes. March through October are particularly high-risk months, with the UV Index remaining at 8 or above, indicating very high to extreme exposure. Visitors and residents are advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. In contrast, the UV Index is moderate in January and December, with burn times of 30 minutes, while February and November present high risk but allow for slightly longer exposure times of 25 minutes. Staying informed about these seasonal UV changes is crucial for safety and skin health.

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
Chengnan	5	6	8	10	10	11	12	11	10	9	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