UV Index in Nanni, China

Last updated: August 1, 2025

In Nanni, China, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps you prevent sunburn and long-term skin damage, enabling you to enjoy the outdoors with peace of mind. With a climate characterized by elevated UV exposure, especially during peak hours between 11:00 AM and 2:00 PM, residents and visitors should be particularly vigilant. The UV Index in Nanni can soar as high as 17, making it essential to take protective measures when venturing outside.

Hourly UV Index in Nanni

The UV Index during the day shows a dynamic rise and fall, starting from a maximum of 0 at 7:00 AM to a peak of 17 at 2:00 PM. Early morning hours see minimal exposure, with a gradual increase to 9 by 11:00 AM. The real intensity hits at noon when it reaches 13 and surges to its highest point at 1:00 PM, indicating a critical time for sun protection. As the afternoon wanes, the index begins to decline, dropping back to 9 by 5:00 PM, and tapering off to 2 by evening, reflecting a shift in the sun's intensity. Be mindful of these hourly changes to protect your skin, especially 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	13	extreme	10 min
13:00	16	extreme	10 min
14:00	17	extreme	10 min
15:00	15	extreme	10 min
16:00	12	extreme	10 min
17:00	8	very high	15 min
18:00	4	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Nanni

Throughout the year, the UV Index exhibits significant seasonal variations, peaking between March and October. Notably, the highest risk months for UV exposure are April to September, where the index remains in the extreme category, reaching a peak of 18 in May. During these months, the recommended maximum burn time is just 10 minutes, so it is crucial for both visitors and residents to take protective measures, such as applying sunscreen regularly, wearing protective clothing, and seeking shade during peak hours. In contrast, January and November present slightly lower risks with a UV Index of 9 and 10, respectively, allowing for a burn time of 15 minutes. As the year concludes in December, the UV risk decreases further to a high category of 7, enabling a longer burn time of 25 minutes. Overall, awareness and proactive sun safety strategies are essential during the peak UV months to safeguard skin health.

Monthly Maximum UV Index for Nanni, China

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

The table above highlights how UV exposure in Nanni 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.

Nanni'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
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
Nanni	9	11	15	15	18	17	17	17	16	12	10	7