UV Index in Onsu, China

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Onsu, China, where sun exposure can significantly impact skin health. The UV Index provides important information on ultraviolet radiation levels throughout the day, helping individuals take proactive measures against sunburn and long-term skin damage. Given Onsu's BWk climate, marked by its dry conditions and intense sunlight, the midday UV levels can reach a peak of 10, necessitating vigilant sun protection strategies from late morning to early afternoon. By staying informed about the UV Index, Onsu residents can enjoy the sun safely and maintain their skin health.

Hourly UV Index in Onsu

At the break of dawn, the UV Index begins at a low of 1 at 7:00 AM, inviting early risers to enjoy the cool morning air. As the sun climbs higher, the intensity increases, peaking at 10 between 12:00 PM and 1:00 PM—the perfect time to seek shade and protect your skin. The afternoon sees a slight decline, with values dropping to 9 at 2:00 PM and easing down to 5 by 4:00 PM. As evening approaches, the UV levels taper off to 3 at 5:00 PM and return to a safe 1 by 7:00 PM, signaling a gentle close to the sun-soaked day. Remember, during peak hours, it’s crucial to step up your sun protection game!

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	7	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Onsu

Throughout the year, UV exposure levels exhibit significant seasonal variations. January and December have the lowest UV Index values (2), indicating low exposure risk, with a burn time of 45 minutes. In February, the UV Index increases to 4, presenting a moderate risk and a reduced burn time of 30 minutes. As spring arrives, the UV Index escalates dramatically, peaking at 10 during the summer months of May through August, categorized as very high, with a burn time of just 15 minutes. April and September also pose a high risk with an index of 8. Residents and visitors should take precautions during the high-risk months of March through September, using sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV radiation is strongest. This proactive approach will help mitigate the risk of overexposure to harmful UV rays.

Monthly Maximum UV Index for Onsu, China

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

The table above highlights how UV exposure in Onsu 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.

Onsu'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
Onsu	2	4	7	8	10	10	10	10	8	5	3	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