UV Index in Nanhai, China

Last updated: May 3, 2025

In Nanhai, China, understanding the UV Index is crucial for safeguarding your skin against harmful solar radiation. With the region's humid subtropical climate (Cfa), the sun's rays can be particularly intense, especially between 10:00 AM and 2:00 PM, when UV levels often peak at 10—the highest risk category for sunburn and skin damage. By being aware of UV levels, you can take proactive measures to protect your skin health and enjoy outdoor activities without harm. Stay informed about the day's UV Index to ensure safe sun exposure and maintain your well-being throughout the year.

Hourly UV Index in Nanhai

The UV Index offers a fascinating glimpse into the sun's intensity throughout the day. At 07:00, the day starts with a mild index of 1, gradually rising to 2 by 08:00. As the sun climbs higher, the UV Index peaks at an impressive 10 between 12:00 and 13:00, signaling the most hazardous exposure. After this peak, it gracefully declines, dipping to 6 by 15:00, then further down to 4 at 16:00. As evening approaches, the index returns to a more manageable level of 2 at 17:00 and finally settling back at 1 by 18:00 and 19:00. It's a vivid reminder to stay sun-smart during the hottest 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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 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	1	low	45 min

Monthly UV Index Trends in Nanhai

The UV Index varies significantly throughout the year, peaking during the summer months of June, July, and August, where it reaches an extreme level of 11 to 12, necessitating a burn time of only 10 minutes. March through October are particularly high-risk months, with the UV Index remaining at 8 or above, indicating very high to extreme exposure. Visitors and residents are advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. In contrast, the UV Index is moderate in January and December, with burn times of 30 minutes, while February and November present high risk but allow for slightly longer exposure times of 25 minutes. Staying informed about these seasonal UV changes is crucial for safety and skin health.

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
Nanhai	5	6	8	10	10	11	12	11	10	9	6	4
Shanghai UVI	5	6	8	10	10	11	12	11	11	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