UV Index in Dongguan, China

Last updated: August 1, 2025

In Dongguan, China, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and long-term skin damage, especially during the peak hours when exposure is highest. With a humid subtropical climate, Dongguan experiences intense sunlight throughout the year, leading to elevated UV risks, particularly from late morning to early afternoon when the index can soar to 13. By being aware of the UV Index, residents and visitors can enjoy the outdoors while safeguarding their skin from harmful rays.

Hourly UV Index in Dongguan

As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 7:00 AM. By 8:00 AM, it climbs to a moderate 3, but the real intensity kicks in after 9:00 AM when it reaches 6. The peak occurs between 11:00 AM and 12:00 PM, soaring to a blistering 12 and hitting a maximum of 13 at noon, indicating a serious need for sun protection. The intensity gradually diminishes in the afternoon, dropping to 10 by 2:00 PM and then sliding down to 4 by 4:00 PM. As the day winds down, the UV Index traces back to 2 at 5:00 PM and finally settles at 1 by 7:00 PM, welcoming the cool embrace of evening. Staying vigilant about sun safety is crucial during peak hours from 10:00 AM to 2:00 PM!

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	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	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 Dongguan

The UV Index varies significantly throughout the year, with high-risk months occurring from February to September, where the index reaches levels categorized as very high to extreme. Notably, April to August showcases the highest readings, peaking at 13 in July and August. During these months, burn times drop to just 10 minutes, emphasizing the urgent need for protective measures. Conversely, the fall and winter months exhibit lower UV exposure, with December offering the least concern at a moderate index of 5 and a burn time of 30 minutes. It is advisable for both visitors and residents to take precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially when the UV Index exceeds 8 for prolonged outdoor activities.

Monthly Maximum UV Index for Dongguan, China

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

The table above highlights how UV exposure in Dongguan 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.

Dongguan'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
Dongguan	6	8	10	11	12	12	13	13	11	9	7	5
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