UV Index in Dongguan, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Dongguan, China, where the subtropical Cfa climate can lead to significant sun exposure. With peak UV levels soaring to 13 during midday hours, awareness of these levels is essential for preventing sunburn and maintaining skin health. Being informed can help you take proactive measures against harmful effects, especially during the hottest part of the day. In Dongguan, where sunshine is abundant, knowing how to navigate UV risks is key to enjoying the outdoors safely and protecting your skin from damage.

Hourly UV Index in Dongguan

The UV Index shows a dynamic progression throughout the day, starting from a mild 2 at 07:00 and climbing steadily to a peak of 13 by 12:00. As the sun reaches its zenith, the index reflects the intensity of ultraviolet rays, hitting 12 at 13:00 before gradually declining. By the afternoon, it slips down to 6 at 15:00, then diminishes further to 2 at 17:00 and finally to a mere 0 as twilight descends at 19:00. It's clear that the highest risk for sun exposure occurs midday, making it essential to protect your skin during those peak hours!

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	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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	0	low	45 min

Monthly UV Index Trends in Dongguan

Throughout the year, the UV Index experiences significant seasonal changes, peaking during the summer months. Notably, March to September presents the highest risk of UV exposure, with the index reaching extremes of 11 to 13. February and October classify as very high risk months, while January and December are categorized as high but still warrant caution. For optimal safety, visitors and residents should prioritize sun protection during the high-risk months of March through September, where the burn time can be as little as 10 minutes. It's crucial to apply sunscreen regularly, wear protective clothing, and seek shade, especially between 10 AM and 4 PM, when UV radiation is at its strongest.

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	7	9	11	12	13	13	13	13	11	10	8	7
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