UV Index in Nanhai, China

Last updated: June 2, 2025

Understanding the UV Index in Nanhai, China is crucial for safeguarding your skin and health. With its humid subtropical climate (Cfa), residents and visitors alike must be aware of the varying UV levels throughout the day—peaking at a high of 13 around noon. This information is essential for effective sunburn prevention, as consistent exposure to high UV radiation can lead to severe skin damage. By staying informed about the UV Index, you can enjoy the beautiful, sunny days Nanhai offers while taking the necessary precautions to protect yourself from harmful effects, ensuring your skin remains healthy and radiant.

Hourly UV Index in Nanhai

As the sun rises, the UV Index gradually climbs, starting at a modest 2 at 7:00 AM. By 8:00 AM, it sharply increases to 4, setting the stage for the day's peak. The intensity hits its zenith at 12:00 PM, soaring to 13—a potent reminder to take sun safety precautions. As the afternoon unfolds, the UV levels begin to wane, dipping to 9 by 2:00 PM and further declining to 6 by 3:00 PM. The evening brings a gentle decline, with the index falling to 2 by 5:00 PM and tapering off to 0 by 7:00 PM. This dynamic pattern emphasizes the importance of sun protection, particularly during the midday hours when the UV rays are strongest.

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	3	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 Nanhai

Throughout the year, UV exposure levels fluctuate significantly, with high-risk months spanning from February to September. The UV Index peaks between June and August, when it reaches an alarming 13, indicating an extreme exposure category with a burn time of just 10 minutes. In contrast, January and December have lower indices of 7 and 6, respectively, categorized as high. To protect yourself, especially during peak months, it’s crucial to apply sunscreen regularly, seek shade, and wear protective clothing. Residents and visitors should remain vigilant from February through September and take all necessary precautions to minimize sun damage during these high UV index months.

Monthly Maximum UV Index for Nanhai, China

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

The table above highlights how UV exposure in Nanhai 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.

Nanhai'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
Nanhai	7	9	11	12	12	13	13	13	11	9	8	6
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