UV Index in Dongguan, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Dongguan, China, where the subtropical climate can lead to unexpectedly high levels of ultraviolet radiation. With the UV Index peaking at 12 around noon, awareness of these levels is essential for preventing sunburn and protecting skin health. As Dongguan experiences warm temperatures and significant sun exposure throughout the year, being informed about UV risks can help you enjoy the outdoors safely while minimizing potential skin damage. Stay vigilant, check the UV Index daily, and take appropriate sun protection measures to keep your skin healthy!

Hourly UV Index in Dongguan

The UV Index throughout the day showcases a dynamic shift in sun intensity, peaking at 12 around noon. Beginning with a gentle 2 at 7:00 AM, the index steadily increases, hitting 11 by 11:00 AM as the sun climbs higher. By 12:00 PM, the sun reaches its zenith at 12, marking the highest UV exposure, making sun safety a priority. As the afternoon progresses, from 1:00 PM to 3:00 PM, the UV Index gradually decreases to 9 by 2:00 PM and 7 by 3:00 PM. The day winds down with a notable drop in intensity, returning to a mild 1 by 6:00 PM, emphasizing that the safest time to enjoy the sun is before noon or after 4:00 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	2	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	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	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	1	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