UV Index in Sulu, China

Last updated: July 2, 2025

Understanding the UV Index in Sulu, China is crucial for protecting your skin and enhancing your overall health. With maximum UV levels soaring to 17 during peak hours, awareness of the UV Index can help residents and visitors alike prevent painful sunburns and long-term skin damage. Given Sulu’s unique ET climate, characterized by cool temperatures but intense sun exposure, it's vital to stay informed about the varying UV levels throughout the day. By mastering this knowledge, you can enjoy the beautiful outdoors while safeguarding your skin's wellbeing.

Hourly UV Index in Sulu

Today’s UV Index tells an intriguing story of the sun’s intensity as the day progresses. Starting at a gentle 1 around 7 AM, the rays gradually increase in strength. By 10 AM, the index reaches 6, moving into the moderate range and signaling the need for some sun protection. The real peak hits at 12 PM with a blistering 14, marking the height of solar intensity. From 1 PM to 3 PM, the UV Index remains at a remarkable 17, urging everyone to stay covered or seek shade. As the afternoon rolls on, the index begins to decline, tapering to 11 by 4 PM and further dropping to a more manageable 2 by 7 PM. Remember to stay vigilant and protect your skin during the peak hours of 11 AM to 3 PM, when the sun is at its most formidable!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	11	extreme	10 min
12:00	14	extreme	10 min
13:00	17	extreme	10 min
14:00	17	extreme	10 min
15:00	15	extreme	10 min
16:00	11	extreme	10 min
17:00	7	high	25 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