UV Index in Chengjiao, China

Last updated: June 2, 2025

In Chengjiao, China, staying informed about the UV Index is essential for protecting your skin from harmful ultraviolet rays. Understanding UV levels not only aids in the prevention of painful sunburns but also plays a crucial role in maintaining long-term skin health. With a climate classified as Cwa, Chengjiao experiences fluctuating UV exposure throughout the day, peaking at an Index of 10 around noon. This emphasizes the need for residents and visitors alike to monitor UV levels, especially during the sunniest hours, to effectively safeguard against potential skin damage.

Hourly UV Index in Chengjiao

The UV Index throughout the day paints a vivid picture of sun intensity. Starting at a mild 1 at 7:00 AM, the index gradually climbs, reaching a more noticeable 3 by 8:00 AM. The real surge occurs between 9:00 AM and 12:00 PM, where it peaks at 10—a crucial time for sun protection. After that, it begins to gently decline, with 9 at 1:00 PM, 8 at 2:00 PM, and dropping further to 6 by 3:00 PM. As the sun starts its descent, the index sees a steady fall, ending at a comfortable 1 by 6:00 PM, making the later hours much safer for outdoor activities. Pay attention to the height of UV levels around midday for optimal sun safety!

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	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	9	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 Chengjiao

Throughout the year, the UV Index undergoes significant seasonal changes, influencing sun exposure risks for visitors and residents. The high-risk months are primarily from March to September, where the UV Index peaks at 10 in June and July, indicating a very high exposure category and a burn time of just 15 minutes. Notably, April through August are critical periods for sun safety, as protective measures should be prioritized due to heightened UV levels. Conversely, during the cooler months of January, February, November, and December, the UV Index remains relatively lower, categorized as moderate, allowing for longer safe exposure times of 30 minutes. It is advisable for everyone to stay informed about the daily UV index, wear protective clothing, apply sunscreen, and seek shade, especially during the high-risk months, to mitigate harmful effects of UV radiation.

Monthly Maximum UV Index for Chengjiao, China

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

The table above highlights how UV exposure in Chengjiao 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.

Chengjiao'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
Chengjiao	3	5	6	8	9	10	10	9	8	7	4	3
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