UV Index in Chengdong, China

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Chengdong, China, especially as the region experiences a humid subtropical climate (Cfa) that can lead to significant sun exposure. Being aware of UV levels helps prevent sunburn and supports long-term skin health, which is critical in a place where midday UV peaks reach dangerous levels of 12 around noon. With Chengdong's clear skies, particularly during summer months, the potential for skin damage increases, making it essential for locals to remain vigilant about UV risks. By staying informed about the UV Index, you can enjoy the sun safely while protecting your skin from harm.

Hourly UV Index in Chengdong

The UV Index provides a vital insight into sun exposure throughout the day, peaking during the late morning to early afternoon hours. At 07:00, it starts off low at 2, but by 08:00, it rises to 4, indicating increasing sun intensity. The real surge happens between 09:00 and 12:00, where it climbs dramatically to a maximum of 12 at 11:00 and 12:00. As the sun begins to dip after 13:00, the index gradually decreases to 11 at 1 PM and gently tapers off to 9 at 2 PM. By 3 PM, it continues to decline to 6, and by the evening, it reaches a minimal 1 at both 5 PM and 6 PM, finally falling to 0 by 7 PM. This hourly breakdown urges us to protect our skin during the peak hours, especially when the index hits its zenith.

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

Monthly UV Index Trends in Chengdong

Throughout the year, UV levels experience significant fluctuations, with the highest UV Index values recorded from March to August. During this peak season, particularly from April to August, the UV Index reaches an extreme level of 12-13, correlating to a burn time of just 10 minutes. February also marks a high-risk month with a very high UV Index of 9, while October and November remain very high as well, necessitating similar caution with burn times of 15 minutes. For both residents and visitors, it’s crucial to take protective measures, especially in these months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours to mitigate the risks of UV exposure.

Monthly Maximum UV Index for Chengdong, China

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

The table above highlights how UV exposure in Chengdong 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.

Chengdong'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
Chengdong	7	9	11	12	12	13	13	13	11	10	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