UV Index in Dongguan, China

Last updated: May 3, 2025

Understanding the UV Index in Dongguan, China, is essential for protecting your skin and overall health. As the UV levels rise significantly throughout the day, particularly peaking at 11 between noon and 1 PM, awareness of sun exposure is crucial to prevent sunburn and long-term skin damage. Dongguan's humid subtropical climate, characterized by hot summers and moderate sun levels, presents unique risks that can lead to excessive sun exposure if not properly managed. By keeping an eye on the UV Index, residents and visitors can enjoy the outdoors while safeguarding their skin against harmful UV rays.

Hourly UV Index in Dongguan

The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.

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	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 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 Dongguan

Throughout the year, UV Index levels exhibit significant seasonal variations, with the highest risk occurring from March to August. During this period, the UV Index peaks at 12 in August, indicating an extreme exposure category, while other months like April and May also reach very high to extreme levels. In contrast, January, February, and November maintain a high exposure category, and December sees a drop to moderate levels. Visitors and residents are advised to take necessary precautions, especially during the high-risk months of March through August, by wearing protective clothing, sunscreen, and seeking shade to reduce the risk of harmful skin exposure.

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	7	9	10	11	11	11	12	10	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