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 elevated levels of ultraviolet radiation. With UV levels often peaking at 11 during midday, it's essential to be aware of the potential for sunburn and longer-term skin health risks. By monitoring the UV Index, individuals can take proactive measures to protect themselves from harmful effects, especially during the hotter months when exposure is at its highest. Staying informed not only helps in enjoying the sunny days but also ensures a healthier lifestyle in this vibrant city.

Hourly UV Index in Dongguan

The UV Index throughout the day paints a vivid picture of sun intensity. It begins with a mild reading of 2 at 07:00, gradually rising to a moderate 4 by 08:00. As the sun reaches its peak, the index surges to a striking 9 at 10:00, hitting a maximum of 11 at both 11:00 and 12:00—a clear indication to seek shade or apply sunscreen. The intensity then begins to dip, falling to 10 at 13:00, before gradually decreasing to 8 at 14:00. By 15:00, the index declines to 5, and as evening approaches, it settles at 2 by 17:00, before tapering off to 1 at 18:00 and finally reaching 0 at 19:00. This hourly trend highlights the importance of midday sun protection, ensuring a safe and enjoyable outdoor experience.

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.
TimeUVICategoryTime to Burn
07:002low45 min
08:004moderate30 min
09:007high25 min
10:009very high15 min
11:0011extreme10 min
12:0011extreme10 min
13:0010very high15 min
14:008very high15 min
15:005moderate30 min
16:003moderate30 min
17:002low45 min
18:001low45 min
19:000low45 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.
JanFebMarAprMayJunJulAugSepOctNovDec679101111111210864
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.
 JanFebMarAprMayJunJulAugSepOctNovDec
Beijing UVI2358991097642
Chengdu UVI568101211111011864
Shanghai UVI568101011121111864
Dongguan679101111111210864
Guangzhou UVI79111213131312111097
Shenzhen UVI710121214131313121197