UV Index in Sansha, China

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Sansha, China, a region known for its vibrant tropical climate and stunning outdoor landscapes. With UV levels reaching a peak of 12 during midday hours, awareness of these fluctuations can play a vital role in preventing sunburn and safeguarding long-term skin health. Sansha's unique climate, characterized by warm temperatures and high sun exposure, can present significant risks if proper precautions are not taken. By staying informed about the local UV Index, you can enjoy outdoor activities while protecting your skin from harmful UV radiation.

Hourly UV Index in Sansha

As the sun ascends, the UV Index rises dramatically. At 07:00, it starts at a gentle 2, offering a safe environment for morning activities. By 08:00, it climbs to 4, signaling the need for some sun protection. The intensity peaks at 10:00 with a striking 10, reaching its maximum at 11:00 and 12:00 with a peak UV Index of 12—definitely time to seek shade or lather on the sunscreen! As the afternoon progresses, intensity begins to wane, dropping to 9 by 14:00, then 6 at 15:00. The sun retreats, and by 17:00, we see a much softer 2, transitioning to a cozy 1 at 18:00 and finally settling at a safe 0 by 19:00. Overall, this UV Index profile underscores the importance of sun safety during 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	2	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sansha

Throughout the year, seasonal changes in UV levels present varying risks for residents and visitors. January starts with a high UV Index of 6, but by February it escalates to 8, indicating a very high exposure risk. The peak months, from April to August, experience an extreme UV Index ranging from 11 to 13, with a burn time as brief as 10 minutes. September sees a slight decrease, yet remains high at 11, before tapering off in the cooler months back to very high in October and high in November and December. Visitors and residents should prioritize sun protection during high-risk months—particularly from April to August—by wearing hats, sunglasses, and sunscreen, and by seeking shade during peak sun hours to minimize the risk of 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
Sansha	6	8	10	11	12	12	12	13	11	9	7	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