UV Index in Chengzihe, China

Last updated: July 2, 2025

In Chengzihe, China, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels is essential not only for preventing sunburns but also for safeguarding against long-term skin damage and conditions like skin cancer. With a Dwb climate, characterized by variable and intense sun exposure, residents and visitors should be particularly cautious during peak UV hours—typically between 10 AM and 2 PM—when the index can soar to a striking 9. By staying informed about the UV Index in Chengzihe, you can enjoy the sunshine while effectively managing the risks associated with high UV levels.

Hourly UV Index in Chengzihe

The UV Index climbs steadily throughout the morning, starting at a manageable 3 at 07:00 and surging to a peak of 9 between 10:00 and 12:00. During these hours, sun protection is crucial as the intensity remains high, ideal for outdoor activities if precautions are taken. As the afternoon sets in, the index begins to decline, dropping to 8 by 13:00, and then tapering off to 6 at 14:00. By the afternoon, the risks lessen significantly, with readings falling to 4 at 15:00, and a gentle decline continues into the evening, reaching 1 by 17:00 and finally settling at 0 after 19:00. This pattern emphasizes the importance of maximizing sun safety during the midday hours, where the sun's rays are at their strongest.

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	3	moderate	30 min
08:00	5	moderate	30 min
09:00	7	high	25 min
10:00	9	very high	15 min
11:00	9	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Chengzihe

The UV Index exhibits significant seasonal variability, with the highest levels occurring from May to August. During this period, the UV Index reaches 9, categorized as very high, resulting in a burn time of just 15 minutes—making these months particularly risky for skin damage. In contrast, the winter months of January, November, and December have a low UV Index of 2, with longer burn times of 45 minutes. Visitors and residents are advised to exercise caution during April through August when the UV Index is high to very high. Proper sun protection, including sunscreen, hats, and protective clothing, is essential to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Chengzihe, China

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

The table above highlights how UV exposure in Chengzihe 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.

Chengzihe'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
Chengzihe	2	3	5	7	8	9	9	9	7	4	2	2
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
Shenzhen UVI	7	10	12	12	14	13	13	13	12	11	9	7