UV Index in Sansha, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Sansha, China, as it directly impacts skin health and sunburn prevention. With the region's tropical climate characterized by high UV exposure, awareness of daily UV levels can help individuals protect themselves from harmful rays. During peak hours, particularly from 11:00 AM to 1:00 PM, the UV Index can soar to 13, signaling an increased risk of skin damage. By staying informed about UV index readings, residents and visitors alike can make better decisions about sun safety, ensuring a healthier outdoor experience.

Hourly UV Index in Sansha

The UV Index climbs swiftly throughout the morning, starting at a modest 1 by 7:00 AM and surging to a peak of 13 between noon and 1:00 PM. This midday intensity suggests a high risk of harm from unprotected sun exposure. As the afternoon unfolds, the index gradually declines, dipping to 8 at 3:00 PM and further to 2 by 5:00 PM. The UV radiation then recedes to 1 by 6:00 PM, before falling to a safe 0 come 7:00 PM. For sun seekers and outdoor enthusiasts, it’s crucial to stay protected during those peak hours from 11:00 AM to 1:00 PM for a safe and enjoyable day under the sun!

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	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 Sansha

During the year, UV Index levels exhibit significant seasonal variation, particularly peaking from February through September when the index reaches extreme levels of 12 to 14. The highest-risk months for UV exposure are March through September, with a consistent burn time of just 10 minutes in the extreme category. In contrast, January, November, and December show a very high exposure category at or below UV Index 10, where the burn time extends to 15 minutes. Given these findings, it is crucial for both visitors and residents to take appropriate precautions during the high-risk months, such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to safeguard against skin damage.

Monthly Maximum UV Index for Sansha, China

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

The table above highlights how UV exposure in Sansha 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.

Sansha'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
Sansha	10	12	13	14	14	13	14	14	14	12	10	9