UV Index in Sulu, China

Last updated: June 2, 2025

Understanding the UV Index in Sulu, China is crucial for safeguarding your skin against harmful ultraviolet rays. With soaring UV levels peaking at 18 around midday, awareness is key to sunburn prevention and maintaining overall skin health. Sulu’s ET climate leads to unique UV exposure risks, making it essential for residents and visitors alike to stay informed and take protective measures. By monitoring the UV Index, you can enjoy the beautiful outdoors while keeping your skin safe from damage.

Hourly UV Index in Sulu

From 7:00 AM to 7:00 PM, the UV Index experiences a remarkable ascent and descent, peaking at a striking 18 between 1:00 PM and 2:00 PM. The morning starts off gently, with readings of just 1 at 7:00 AM, gradually rising to 4 by 9:00 AM. As the sun climbs higher, the index soars—hitting 12 by 11:00 AM and reaching its maximum of 16 at 12:00 PM. This is followed by an intense period, with the highest point of 18 at 1:00 PM. The afternoon brings a gradual decline, dipping back to 12 by 4:00 PM before falling steadily to 2 by 7:00 PM. It’s a vivid reminder of the sun's powerful rays; ensure you're protected 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	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	8	very high	15 min
11:00	12	extreme	10 min
12:00	16	extreme	10 min
13:00	18	extreme	10 min
14:00	18	extreme	10 min
15:00	16	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 Sulu

Throughout the year, the UV Index exhibits significant fluctuations, peaking from March to October with extreme levels noted. The highest risk months are April and May, where the UV Index reaches 16 and 20, respectively, with a minimal burn time of just 10 minutes. As visitors and residents navigate these months, it is crucial to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday. Conversely, January and December present lower risks with a UV Index of 7 and a longer burn time of 25 minutes, but caution is still advised. Overall, from February to October, vigilance is key, with particular attention needed during the peak months to safeguard skin health.

Monthly Maximum UV Index for Sulu, China

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

The table above highlights how UV exposure in Sulu 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.

Sulu'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
Sulu	7	10	14	16	20	18	17	15	15	13	10	7